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Outputs (109)

Parameter control in synthesis of Vermiculite-CaCl2 composite materials for thermochemical adsorption heat storage (2024)
Journal Article
Zhang, Y., Chen, Z., Zhang, Y., Su, Y., & Riffat, S. (2024). Parameter control in synthesis of Vermiculite-CaCl2 composite materials for thermochemical adsorption heat storage. Energy, 291, Article 130478. https://doi.org/10.1016/j.energy.2024.130478

This study utilised vermiculite as a matrix to explore various impregnation methods for synthesising vermiculite-CaCl2 composite materials (VCMs), focusing on the impact of these methods on the performance of VCMs as thermochemical materials. Results... Read More about Parameter control in synthesis of Vermiculite-CaCl2 composite materials for thermochemical adsorption heat storage.

Harnessing the characteristic of compound parabolic concentrators for directional concentration of emitted thermal radiation and solar shielding in building-integrated radiative cooling (2024)
Journal Article
Dan, Y., Hu, M., Suhendri, S., Su, Y., & Riffat, S. (2024). Harnessing the characteristic of compound parabolic concentrators for directional concentration of emitted thermal radiation and solar shielding in building-integrated radiative cooling. Energy and Buildings, 307, Article 113922. https://doi.org/10.1016/j.enbuild.2024.113922

Radiative sky cooling (RC) is a promising solution for meeting the growing cooling demands by passively dissipating waste heat into frigid outer space. However, current RC systems suffer from low cooling power density and limited installation flexibi... Read More about Harnessing the characteristic of compound parabolic concentrators for directional concentration of emitted thermal radiation and solar shielding in building-integrated radiative cooling.

Performance study of a thermochemical energy storage reactor embedded with a microchannel tube heat exchanger for water heating (2023)
Journal Article
Zhang, Y., Hu, M., Chen, Z., Su, Y., & Riffat, S. (2024). Performance study of a thermochemical energy storage reactor embedded with a microchannel tube heat exchanger for water heating. Journal of Energy Storage, 78, Article 110043. https://doi.org/10.1016/j.est.2023.110043

Thermochemical energy storage (TCES) provides a promising solution to addressing the mismatch between solar thermal production and heating demands in buildings. However, existing air-based open TCES systems face practical challenges in integrating wi... Read More about Performance study of a thermochemical energy storage reactor embedded with a microchannel tube heat exchanger for water heating.

Exploring a novel tubular-type modular reactor for solar-driven thermochemical energy storage (2023)
Journal Article
Zhang, Y., Hu, M., Chen, Z., Su, Y., & Riffat, S. (2024). Exploring a novel tubular-type modular reactor for solar-driven thermochemical energy storage. Renewable Energy, 221, Article 119767. https://doi.org/10.1016/j.renene.2023.119767

Thermochemical energy storage (TCES) has gained extensive attention as a potential solution to address the mismatch between solar thermal energy production and demand. In this study, a novel tubular-type modular TCES reactor is introduced. COMSOL mod... Read More about Exploring a novel tubular-type modular reactor for solar-driven thermochemical energy storage.

Building energy-saving potential of a dual-functional solar heating and radiative cooling system (2023)
Journal Article
Suhendri, S., Hu, M., Dan, Y., Su, Y., Zhao, B., & Riffat, S. (2024). Building energy-saving potential of a dual-functional solar heating and radiative cooling system. Energy and Buildings, 303, Article 113764. https://doi.org/10.1016/j.enbuild.2023.113764

Space heating and cooling devices that rely on renewable resources are in demand amid energy crises in parts of the world. However, common renewable space heating and cooling devices are mono-functional. For regions with heating and cooling seasons,... Read More about Building energy-saving potential of a dual-functional solar heating and radiative cooling system.

Direct-expansion solar-assisted heat pump coupled with crystallisation-controlled supercooled PCM for shifting building electricity demand (2023)
Journal Article
Kutlu, C., Zhang, Y., Lyu, Q., Su, Y., & Riffat, S. (2023). Direct-expansion solar-assisted heat pump coupled with crystallisation-controlled supercooled PCM for shifting building electricity demand. Energy and Buildings, 301, Article 113660. https://doi.org/10.1016/j.enbuild.2023.113660

This paper proposes a novel approach for improving the performance of a direct-expansion solar-assisted heat pump (DX-SAHP) system by integrating a crystallisation controllable phase change material (PCM) and building energy demand shifting strategy.... Read More about Direct-expansion solar-assisted heat pump coupled with crystallisation-controlled supercooled PCM for shifting building electricity demand.

A novel synthesis of light transmission from upcycled polyethylene terephthalate polymer and low-density polyethylene for greenhouse design in tropical climate (2023)
Journal Article
Wongwatcharapaiboon, J., Chankasem, C., Lertwattanarak, P., & Riffat, S. (2023). A novel synthesis of light transmission from upcycled polyethylene terephthalate polymer and low-density polyethylene for greenhouse design in tropical climate. International Journal of Low-Carbon Technologies, 18, 1182-1191. https://doi.org/10.1093/ijlct/ctad100

To support the circular economy in Thai’s agriculture, the main interviewed challenges point to knowledge and knowhow for greenhouse structure and system boosting up productivities. One popular material that possibly affected productivity is transpar... Read More about A novel synthesis of light transmission from upcycled polyethylene terephthalate polymer and low-density polyethylene for greenhouse design in tropical climate.

Antiviral activity of salt-coated materials against SARS-CoV-2 (2023)
Journal Article
Coleman, C. M., Wang, B., Wang, Y., Tapia-Brito, E., Chen, Z., Riffat, J., …Ghaemmaghami, A. (2023). Antiviral activity of salt-coated materials against SARS-CoV-2. Access Microbiology, 5(9), Article 000492. https://doi.org/10.1099/acmi.0.000492.v5

The SARS-CoV-2 pandemic demonstrated the importance of human coronaviruses and the need to develop materials to prevent the spread of emergent respiratory viruses. Coating of surfaces with antiviral materials is a major interest in controlling spread... Read More about Antiviral activity of salt-coated materials against SARS-CoV-2.

SET2022 : 19th International Conference on Sustainable Energy Technologies 16th to 18th August 2022, Turkey : Sustainable Energy Technologies 2022 Conference Proceedings. Volume 4 (2023)
Book
Riffat, S., & Su, Y. (Eds.). (2023). SET2022 : 19th International Conference on Sustainable Energy Technologies 16th to 18th August 2022, Turkey : Sustainable Energy Technologies 2022 Conference Proceedings. Volume 4

Papers submitted and presented at SET2022 - the 19th International Conference on Sustainable Energy Technologies in Istanbul, Turkey in August 2022

An approach for energy management of renewable energy sources using electric vehicles and heat pumps in an integrated electricity grid system (2023)
Journal Article
Dik, A., Kutlu, C., Omer, S., Boukhanouf, R., Su, Y., & Riffat, S. (2023). An approach for energy management of renewable energy sources using electric vehicles and heat pumps in an integrated electricity grid system. Energy and Buildings, 294, Article 113261. https://doi.org/10.1016/j.enbuild.2023.113261

The demand for electricity has been increasing worldwide and it is predicted that this trend will be particularly reinforced in developing countries by the gradual electrification of the transport sector and heat generation in buildings. The energy... Read More about An approach for energy management of renewable energy sources using electric vehicles and heat pumps in an integrated electricity grid system.

A study on vermiculite-based salt mixture composite materials for low-grade thermochemical adsorption heat storage (2023)
Journal Article
Chen, Z., Zhang, Y., Zhang, Y., Su, Y., & Riffat, S. (2023). A study on vermiculite-based salt mixture composite materials for low-grade thermochemical adsorption heat storage. Energy, 278(Part B), Article 127986. https://doi.org/10.1016/j.energy.2023.127986

High-performance renewable energy technologies are desired to meet the enormous demand during the clean energy transition. Thermal energy storage can help balance the mismatch between renewable energy supplies and end-user's demands. Thermochemical a... Read More about A study on vermiculite-based salt mixture composite materials for low-grade thermochemical adsorption heat storage.

Detection, location, and diagnosis of different faults in large solar PV system—a review (2023)
Journal Article
Venkatakrishnan, G. R., Rengaraj, R., Tamilselvi, S., Harshini, J., Sahoo, A., Saleel, C. A., …Riffat, S. (2023). Detection, location, and diagnosis of different faults in large solar PV system—a review. International Journal of Low-Carbon Technologies, 18, 659–674. https://doi.org/10.1093/ijlct/ctad018

Over the past decade, the significance of solar photovoltaic (PV) system has played a major role due to the rapid growth in the solar PV industry. Reliability, efficiency and safety of solar PV systems can be enhanced by continuous monitoring of the... Read More about Detection, location, and diagnosis of different faults in large solar PV system—a review.

Modelling analysis of a solar-driven thermochemical energy storage unit combined with heat recovery (2023)
Journal Article
Zhang, Y., Hu, M., Chen, Z., Su, Y., & Riffat, S. (2023). Modelling analysis of a solar-driven thermochemical energy storage unit combined with heat recovery. Renewable Energy, 206, 722-737. https://doi.org/10.1016/j.renene.2023.02.076

Solar-driven thermochemical energy storage (TCES) can address the mismatch between solar heat production and heating demand and contribute to decarbonisation in buildings. In many studies of typical salt hydrate TCES systems, massive heat carried by... Read More about Modelling analysis of a solar-driven thermochemical energy storage unit combined with heat recovery.

Thermal management of using crystallization-controllable supercooled PCM in space heating applications for different heating profiles in the UK (2023)
Journal Article
Kutlu, C., Su, Y., Lyu, Q., & Riffat, S. (2023). Thermal management of using crystallization-controllable supercooled PCM in space heating applications for different heating profiles in the UK. Renewable Energy, 206, 848-857. https://doi.org/10.1016/j.renene.2023.02.077

Supercooled sodium acetate trihydrate (SAT) allows the latent heat can be released when it is externally triggered regardless of the supercooling degree. Thus, the implementation of SAT into heating systems can eliminate the negative effects of weath... Read More about Thermal management of using crystallization-controllable supercooled PCM in space heating applications for different heating profiles in the UK.

Modelling and performance evaluation of a direct steam generation solar power system coupled with steam accumulator to meet electricity demands for a hospital under typical climate conditions in Libya (2023)
Journal Article
Ehtiwesh, A., Kutlu, C., Su, Y., & Riffat, S. (2023). Modelling and performance evaluation of a direct steam generation solar power system coupled with steam accumulator to meet electricity demands for a hospital under typical climate conditions in Libya. Renewable Energy, 206, 795-807. https://doi.org/10.1016/j.renene.2023.02.075

This study aims to build a dynamic model of a direct steam generation (DSG) solar power system coupled with a steam accumulator to meet electricity demands for a hospital under transient environmental conditions in Libya. The main components of the s... Read More about Modelling and performance evaluation of a direct steam generation solar power system coupled with steam accumulator to meet electricity demands for a hospital under typical climate conditions in Libya.

Effect of vacuum scheme on radiative sky cooling performance (2022)
Journal Article
Hu, M., Zhao, B., Suhendri, Cao, J., Wang, Q., Riffat, S., …Pei, G. (2023). Effect of vacuum scheme on radiative sky cooling performance. Applied Thermal Engineering, 219(Part C), Article 119657. https://doi.org/10.1016/j.applthermaleng.2022.119657

Relatively low cooling power density is one of the main barriers to wider promotion of radiative sky cooling (RSC) technology. Vacuum scheme has been proposed to minimize the non-radiative cooling loss and thus improve the cooling capacity. However,... Read More about Effect of vacuum scheme on radiative sky cooling performance.

Performance improvement potential of a PV/T integrated dual-source heat pump unit with a pressure booster ejector (2022)
Journal Article
Tahir Erdinc, M., Kutlu, C., Unal, S., Aydin, O., Su, Y., & Riffat, S. (2023). Performance improvement potential of a PV/T integrated dual-source heat pump unit with a pressure booster ejector. Thermal Science and Engineering Progress, 37, Article 101534. https://doi.org/10.1016/j.tsep.2022.101534

Dual-source heat pump unit can utilize the evaporation of the refrigerant at two different pressures. By adopting an ejector, high-pressure refrigerant stream can be used to lift compressor inlet pressure which results in a higher coefficient of perf... Read More about Performance improvement potential of a PV/T integrated dual-source heat pump unit with a pressure booster ejector.

Parametric study of a novel combination of solar chimney and radiative cooling cavity for natural ventilation enhancement in residential buildings (2022)
Journal Article
Suhendri, S., Hu, M., Su, Y., Darkwa, J., & Riffat, S. (2022). Parametric study of a novel combination of solar chimney and radiative cooling cavity for natural ventilation enhancement in residential buildings. Building and Environment, 225, Article 109648. https://doi.org/10.1016/j.buildenv.2022.109648

The application of radiative cooling (RC) is expanding to a diverse research field, with some current studies trying to apply RC for natural ventilation. One proposed strategy is to use RC for the enhancement of solar chimney (SC) ventilation, and th... Read More about Parametric study of a novel combination of solar chimney and radiative cooling cavity for natural ventilation enhancement in residential buildings.

Incorporation of controllable supercooled phase change material heat storage with a solar assisted heat pump: Testing of crystallization triggering and heating demand-based modelling study (2022)
Journal Article
Kutlu, C., Tapia-Brito, E., Agbonaye, O., Su, Y., Smith, S., Hughes, B., & Riffat, S. (2022). Incorporation of controllable supercooled phase change material heat storage with a solar assisted heat pump: Testing of crystallization triggering and heating demand-based modelling study. Journal of Energy Storage, 55(Part D), Article 105744. https://doi.org/10.1016/j.est.2022.105744

In short to long-term heat storage, the heat loss of common phase change material (PCM) systems is a big problem where heat is lost continuously to the ambient environment and is thus wasted, even when the system is not in use. Controllable supercool... Read More about Incorporation of controllable supercooled phase change material heat storage with a solar assisted heat pump: Testing of crystallization triggering and heating demand-based modelling study.

Sound absorption, structure and mechanical behavior of konjac glucomannan-based aerogels with addition of gelatin and wheat straw (2022)
Journal Article
Wang, Y., Zhu, H., Tu, W., Su, Y., Jiang, F., & Riffat, S. (2022). Sound absorption, structure and mechanical behavior of konjac glucomannan-based aerogels with addition of gelatin and wheat straw. Construction and Building Materials, 352, Article 129052. https://doi.org/10.1016/j.conbuildmat.2022.129052

Environment-friendly konjac glucomannan (KGM)-based aerogels with addition of gelatin and wheat straw are produced by freeze-drying method to have promising sound absorption performance, thermal stability and mechanical property. Results show that ge... Read More about Sound absorption, structure and mechanical behavior of konjac glucomannan-based aerogels with addition of gelatin and wheat straw.

A Review of Housing in Indonesia: A Case for the Integration of Sustainable Design Strategies in Low-cost Apartments (2022)
Conference Proceeding
Lubis, I., Kiamba, L., & Rodrigues, L. (2022). A Review of Housing in Indonesia: A Case for the Integration of Sustainable Design Strategies in Low-cost Apartments. In S. Riffat (Ed.), Sustainable Energy Technologies: Proceedings of the 19th International Conference on Sustainable Energy Technologies – SET 2022 16th – 18th August 2022, Turkey (85-95)

Quantitative characterization of the effect of inclination angle on flat-plate radiative cooling performance in buildings (2022)
Journal Article
Hu, M., Zhao, B., Suhendri, Cao, J., Wang, Q., Riffat, S., …Pei, G. (2022). Quantitative characterization of the effect of inclination angle on flat-plate radiative cooling performance in buildings. Journal of Building Engineering, 59, Article 105124. https://doi.org/10.1016/j.jobe.2022.105124

The environment-friendly and energy-free nature of radiative sky cooling fosters its application in buildings where a radiative cooler is usually positioned at a tilted angle. However, though the cooling capacity of various radiative cooling material... Read More about Quantitative characterization of the effect of inclination angle on flat-plate radiative cooling performance in buildings.

Investigation on a Vermiculite-Based Solar Thermochemical Heat Storage System for Building Applications (2022)
Journal Article
Zhang, Y., Chen, Z., Kutlu, C., Su, Y., & Riffat, S. (2022). Investigation on a Vermiculite-Based Solar Thermochemical Heat Storage System for Building Applications. Future Cities and Environment, 8(1), 1-14. https://doi.org/10.5334/fce.153

Industrial processes and the building sector (e.g., for space and water heating) are responsible for the majority of the total energy consumed for heat. Although fossil fuels remain to dominate the heating sector, renewable heating technologies have... Read More about Investigation on a Vermiculite-Based Solar Thermochemical Heat Storage System for Building Applications.

Experimental Investigation of a MopFan-Based Photocatalytic Air Purification Device (2022)
Journal Article
Tapia-Brito, E., Riffat, J., Wang, Y., Ghaemmaghami, A. M., Coleman, C. M., & Riffat, S. (2022). Experimental Investigation of a MopFan-Based Photocatalytic Air Purification Device. Future Cities and Environment, 8(1), https://doi.org/10.5334/fce.149

Photocatalytic oxidation (PCO) is a potential approach for air cleaning, especially when utilising titanium dioxide (TiO2). A MopFan is similar to a roller brush but is made of flexible fibres coated with TiO2. Unlike conventional filter/mesh UV syst... Read More about Experimental Investigation of a MopFan-Based Photocatalytic Air Purification Device.

Extending the operation of a solar air collector to night-time by integrating radiative sky cooling: A comparative experimental study (2022)
Journal Article
Hu, M., Zhao, B., Suhendri, Cao, J., Wang, Q., Riffat, S., …Pei, G. (2022). Extending the operation of a solar air collector to night-time by integrating radiative sky cooling: A comparative experimental study. Energy, 251, Article 123986. https://doi.org/10.1016/j.energy.2022.123986

Solar thermal collectors are generally unproductivity at night without sunlight. Radiative cooling, on the other hand, is another renewable technology harvesting coldness from extraterrestrial space and can effectively work nocturnally. Therefore, th... Read More about Extending the operation of a solar air collector to night-time by integrating radiative sky cooling: A comparative experimental study.

An innovative window heat recovery (WHR) system with heat pipe technology: Analytical, CFD, experimental analysis and building retrofit performance (2022)
Journal Article
Barreto, G., Qu, K., Wang, Y., Iten, M., & Riffat, S. (2022). An innovative window heat recovery (WHR) system with heat pipe technology: Analytical, CFD, experimental analysis and building retrofit performance. Energy Reports, 8, 3289-3305. https://doi.org/10.1016/j.egyr.2022.02.126

This paper addresses the numerical and experimental performance analysis of a windows heat recovery system made of heat pipes. For modelling, the heat pipe is considered as a pseudo solid material with high value of effective thermal conductivity. An... Read More about An innovative window heat recovery (WHR) system with heat pipe technology: Analytical, CFD, experimental analysis and building retrofit performance.

A preliminary experimental study of a novel incorporation of chilled ceiling with phase change materials and transparent membrane cover (2022)
Journal Article
Riffat, J., Kutlu, C., Tapia-Brito, E., Su, Y., & Riffat, S. (2022). A preliminary experimental study of a novel incorporation of chilled ceiling with phase change materials and transparent membrane cover. International Journal of Low-Carbon Technologies, 17, 258-265. https://doi.org/10.1093/ijlct/ctab104

This study presents an experimental investigation into a novel incorporation of chilled ceiling with transparent membrane cover and phase-change material (PCM) to form a new type of PCM chilled ceiling panel. The membrane cover is infrared transparen... Read More about A preliminary experimental study of a novel incorporation of chilled ceiling with phase change materials and transparent membrane cover.

Applications of radiative sky cooling in solar energy systems: Progress, challenges, and prospects (2022)
Journal Article
Hu, M., Zhao, B., Suhendri, Ao, X., Cao, J., Wang, Q., …Pei, G. (2022). Applications of radiative sky cooling in solar energy systems: Progress, challenges, and prospects. Renewable and Sustainable Energy Reviews, 160, Article 112304. https://doi.org/10.1016/j.rser.2022.112304

The dynamic energy balance on the earth is jointly governed by solar energy harvesting and radiative sky cooling. Mainstream solar energy technologies, including photovoltaic conversion (PV), photothermal conversion (PT), and photovoltaic/thermal con... Read More about Applications of radiative sky cooling in solar energy systems: Progress, challenges, and prospects.

An innovative retrofit Motivation-Objective-Criteria (MOC) approach integrating homeowners’ engagement to unlocking low-energy retrofit in residential buildings (2022)
Journal Article
Wang, Y., Qu, K., Chen, X., Gan, G., & Riffat, S. (2022). An innovative retrofit Motivation-Objective-Criteria (MOC) approach integrating homeowners’ engagement to unlocking low-energy retrofit in residential buildings. Energy and Buildings, 259, Article 111834. https://doi.org/10.1016/j.enbuild.2022.111834

According to the EU Commission projection (2016/547/EU), the current average renovation rate is far below the expected rate of 3% to achieve carbon neutrality in building sectors by 2050. This is due to the fact that, during the building retrofit opt... Read More about An innovative retrofit Motivation-Objective-Criteria (MOC) approach integrating homeowners’ engagement to unlocking low-energy retrofit in residential buildings.

Performance evaluation of combined solar chimney and radiative cooling ventilation (2021)
Journal Article
Suhendri, S., Hu, M., Su, Y., Darkwa, J., & Riffat, S. (2022). Performance evaluation of combined solar chimney and radiative cooling ventilation. Building and Environment, 209, Article 108686. https://doi.org/10.1016/j.buildenv.2021.108686

Passive cooling is inevitable for buildings to be resilient to global warming. While many forms of passive cooling techniques have been developed, passive radiative cooling (RC), as an emerging technology, is still not widely applied in buildings. Du... Read More about Performance evaluation of combined solar chimney and radiative cooling ventilation.

Experimental study on a hybrid solar photothermic and radiative cooling collector equipped with a rotatable absorber/emitter plate (2021)
Journal Article
Hu, M., Zhao, B., Suhendri, S., Cao, J., Wang, Q., Riffat, S., …Pei, G. (2022). Experimental study on a hybrid solar photothermic and radiative cooling collector equipped with a rotatable absorber/emitter plate. Applied Energy, 306(Part B), Article 118096. https://doi.org/10.1016/j.apenergy.2021.118096

Taking the frigid outer space as the heat sink, a terrestrial body can cool itself to a sub-ambient temperature via radiative sky cooling (RC) scheme. However, poor seasonal and regional adaptabilities and low cooling power density of the RC technolo... Read More about Experimental study on a hybrid solar photothermic and radiative cooling collector equipped with a rotatable absorber/emitter plate.

Development and testing of a PCM enhanced domestic refrigerator with use of miniature DC compressor for weak/off grid locations (2021)
Journal Article
Riffat, J., Kutlu, C., Tapia-Brito, E., Tekpetey, S., Agyenim, F. B., Su, Y., & Riffat, S. (2021). Development and testing of a PCM enhanced domestic refrigerator with use of miniature DC compressor for weak/off grid locations. International Journal of Green Energy, 19(10), 1118-1131. https://doi.org/10.1080/15435075.2021.1984244

This paper presents the development of a sustainable and affordable domestic refrigerator for rural areas where grid setting is weak or non-existent. The refrigerator uses a miniature refrigeration unit based on a micro direct current (DC) compressor... Read More about Development and testing of a PCM enhanced domestic refrigerator with use of miniature DC compressor for weak/off grid locations.

Feasibility of realizing daytime solar heating and radiative cooling simultaneously with a novel structure (2021)
Journal Article
Hu, M., Zhao, B., Suhendri, Cao, J., Wang, Q., Riffat, S., …Pei, G. (2021). Feasibility of realizing daytime solar heating and radiative cooling simultaneously with a novel structure. Sustainable Cities and Society, 74, Article 103224. https://doi.org/10.1016/j.scs.2021.103224

Recent breakthroughs in preparing near-perfect emitters have made it possible to realize daytime radiative cooling under intensive solar radiation. However, a typical radiative cooler cannot deliver heat and may even cause an undesired cooling effect... Read More about Feasibility of realizing daytime solar heating and radiative cooling simultaneously with a novel structure.

Life cycle assessment of a novel biomass-based aerogel material for building insulation (2021)
Journal Article
Wang, Y., Rasheed, R., Jiang, F., Rizwan, A., Javed, H., Su, Y., & Riffat, S. (2021). Life cycle assessment of a novel biomass-based aerogel material for building insulation. Journal of Building Engineering, 44, Article 102988. https://doi.org/10.1016/j.jobe.2021.102988

There is a growing interest in accounting for the environmental externalities and the greenhouse gas (GHG) emissions associated with the building industry. This study examines the life cycle environmental impacts of a novel biomass-based aerogel buil... Read More about Life cycle assessment of a novel biomass-based aerogel material for building insulation.

Performance analysis of a novel bifacial solar photothermic and radiative cooling module (2021)
Journal Article
Hu, M., Zhao, B., Ao, X., Suhendri, Cao, J., Wang, Q., …Pei, G. (2021). Performance analysis of a novel bifacial solar photothermic and radiative cooling module. Energy Conversion and Management, 236, Article 114057. https://doi.org/10.1016/j.enconman.2021.114057

Solar energy and universe coldness are two renewable and clean energy constantly sent from outer space to the earth. Solar thermal collectors and radiative coolers respectively harvest heat and cooling energy in this context. However, their static an... Read More about Performance analysis of a novel bifacial solar photothermic and radiative cooling module.

A parametric study on the performance characteristics of an evacuated flat-plate photovoltaic/thermal (PV/T) collector (2020)
Journal Article
Hu, M., Guo, C., Zhao, B., Ao, X., Suhendri, Cao, J., …Pei, G. (2021). A parametric study on the performance characteristics of an evacuated flat-plate photovoltaic/thermal (PV/T) collector. Renewable Energy, 167, 884-898. https://doi.org/10.1016/j.renene.2020.12.008

An evacuated flat-plate photovoltaic/thermal (E-PV/T) collector was proposed. The inner space of the E-PV/T collector is vacuumed to suppress non-radiative heat losses, thus increasing thermal efficiency of the collector. Therefore, the E-PV/T collec... Read More about A parametric study on the performance characteristics of an evacuated flat-plate photovoltaic/thermal (PV/T) collector.

Implementation of Passive Radiative Cooling Technology in Buildings: A Review (2020)
Journal Article
Suhendri, S., Hu, M., Su, Y., Darkwa, J., & Riffat, S. (2020). Implementation of Passive Radiative Cooling Technology in Buildings: A Review. Buildings, 10(12), 1-28. https://doi.org/10.3390/buildings10120215

Radiative cooling (RC) is attracting more interest from building engineers and architects. Using the sky as the heat sink, a radiative cooling material can be passively cooled by emitting heat to the sky. As a result of the development of material te... Read More about Implementation of Passive Radiative Cooling Technology in Buildings: A Review.

An analytical study of the nocturnal radiative cooling potential of typical photovoltaic/thermal module (2020)
Journal Article
Hu, M., Zhao, B., Ao, X., Suhendri, Cao, J., Wang, Q., …Pei, G. (2020). An analytical study of the nocturnal radiative cooling potential of typical photovoltaic/thermal module. Applied Energy, 277, Article 115625. https://doi.org/10.1016/j.apenergy.2020.115625

Radiative cooling (RC) sees great developments in recent years due to its unique feature of sending waste heat to the cold universe without any additional energy consumption, which is extensively proved in many application scenarios, including its in... Read More about An analytical study of the nocturnal radiative cooling potential of typical photovoltaic/thermal module.

Effect of the spectrally selective features of the cover and emitter combination on radiative cooling performance (2020)
Journal Article
Hu, M., Suhendri, Zhao, B., Ao, X., Cao, J., Wang, Q., …Pei, G. (2021). Effect of the spectrally selective features of the cover and emitter combination on radiative cooling performance. Energy and Built Environment, 2(3), 251-259. https://doi.org/10.1016/j.enbenv.2020.06.008

Radiative cooling (RC) shows good potential for building energy saving by throwing waste heat to the cosmos in a passive and sustainable manner. However, most available radiative coolers suffer from low cooling flux. The situation becomes even deteri... Read More about Effect of the spectrally selective features of the cover and emitter combination on radiative cooling performance.

Investigation of an innovative PV/T-ORC system using amorphous silicon cells and evacuated flat plate solar collectors (2020)
Journal Article
Kutlu, C., Li, J., Su, Y., Wang, Y., Pei, G., & Riffat, S. (2020). Investigation of an innovative PV/T-ORC system using amorphous silicon cells and evacuated flat plate solar collectors. Energy, 203, Article 117873. https://doi.org/10.1016/j.energy.2020.117873

Solar-driven organic Rankine cycle (s-ORC) power generation is a promising technology with thermal storage for flexible operation to meet domestic variable electricity demand. A satisfactory efficiency of this technology can be obtained only at mediu... Read More about Investigation of an innovative PV/T-ORC system using amorphous silicon cells and evacuated flat plate solar collectors.

Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model (2020)
Journal Article
Kutlu, C., Erdinc, M. T., Li, J., Su, Y., Pei, G., Gao, G., & Riffat, S. (2020). Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model. Energy, 202, Article 117723. https://doi.org/10.1016/j.energy.2020.117723

This study presents a scroll expander modelling methodology for small scale power generation systems by combining scroll geometry and semi-empirical model. Although the semi-empirical model is quite popular, its dependence on several experimentally-d... Read More about Evaluate the validity of the empirical correlations of clearance and friction coefficients to improve a scroll expander semi-empirical model.

Proceedings of the 18th International Conference on Sustainable Energy Technologies (SET 2019), 20-22 August 2019, Kuala Lumpur, Malaysia (2020)
Conference Proceeding
RIFFAT, S., SU, Y., ISMAIL, N., & IDAYU AHMAD, M. (2020). Proceedings of the 18th International Conference on Sustainable Energy Technologies (SET 2019), 20-22 August 2019, Kuala Lumpur, Malaysia. In S. RIFFAT, N. ISMAIL, Y. SU, & M. IDAYU AHMAD (Eds.), Proceedings of the 18th International Conference on Sustainable Energy Technologies (SET 2019), 20-22 August 2019, Kuala Lumpur, Malaysia

Trends on sustainability in Saudi building industry: advances and challenges (2020)
Conference Proceeding
Alyami, M., Omer, S., & Riffat, S. (2020). Trends on sustainability in Saudi building industry: advances and challenges. In Proceedings of the 18th International Conference on Sustainable Energy Technologies. (SET 2019), 20-22 August 2019, Kuala Lumpur, Malaysia. Volume 3 (20-22)

In developing countries like Saudi Arabia, the experience of a rapid rate of urbanization and infrastructure expansion, especially with respect to buildings, is immense. In Saudi Arabia, the role of buildings is even more important as they account fo... Read More about Trends on sustainability in Saudi building industry: advances and challenges.

A simulation study on performance improvement of solar assisted heat pump hot water system by novel controllable crystallization of supercooled PCMs (2020)
Journal Article
Kutlu, C., Zhang, Y., Elmer, T., Su, Y., & Riffat, S. (2020). A simulation study on performance improvement of solar assisted heat pump hot water system by novel controllable crystallization of supercooled PCMs. Renewable Energy, 152, 601-612. https://doi.org/10.1016/j.renene.2020.01.090

Domestic hot water (DHW) has a significant share in building’s energy consumption. In order to reduce this consumption, various solutions have been proposed such as controlling the system in an efficient way, using renewable sources and using phase c... Read More about A simulation study on performance improvement of solar assisted heat pump hot water system by novel controllable crystallization of supercooled PCMs.

Review of Heat and Mass Transfer Enhancement Techniques and Current Advancement for Adsorption Heating/Cooling Systems (2019)
Journal Article
Omer, S., Wajid, N. M., Mompuouo, B., & Riffat, S. B. (2019). Review of Heat and Mass Transfer Enhancement Techniques and Current Advancement for Adsorption Heating/Cooling Systems. International Journal of Low-Carbon Technologies, 14(4), 461–467. https://doi.org/10.1093/ijlct/ctw010

Adsorption heating/cooling became an alternative to vapour compression system due to low ozone depletion potential (ODP) and global warming potential (GWP). However, more investigation is required due their low efficiency when compared to conventiona... Read More about Review of Heat and Mass Transfer Enhancement Techniques and Current Advancement for Adsorption Heating/Cooling Systems.

Theoretical and experimental investigations of different area ratios of a supersonic ejector driven by compressed air (2019)
Journal Article
AL-nuaimi, A., Worall, M., & Riffat, S. (2019). Theoretical and experimental investigations of different area ratios of a supersonic ejector driven by compressed air. International Journal of Low-Carbon Technologies, 14(4), 550-560. https://doi.org/10.1093/ijlct/ctz050

Ejectors have some advantages such as being simple, reliable and no moving parts. They can be used in air-conditioning and refrigeration applications. This paper presents a comparison of ejector performance, primary pressure (Pp), back pressure (Pb)... Read More about Theoretical and experimental investigations of different area ratios of a supersonic ejector driven by compressed air.

The advances of polysaccharide-based aerogels: Preparation and potential application (2019)
Journal Article
Wang, Y., Su, Y., Wang, W., Fang, Y., Riffat, S. B., & Jiang, F. (2019). The advances of polysaccharide-based aerogels: Preparation and potential application. Carbohydrate Polymers, 226, Article 115242. https://doi.org/10.1016/j.carbpol.2019.115242

Polysaccharide-based aerogels have high application value as one kind of unique functional materials. Not only has it high porosity and low-density, but also the non-toxicity and biodegradability. In recent decades, a variety of natural raw materials... Read More about The advances of polysaccharide-based aerogels: Preparation and potential application.

Fabrication and characterization of a novel konjac glucomannan-based air filtration aerogels strengthened by wheat straw and okara (2019)
Journal Article
Wang, W., Fang, Y., Ni, X., Wu, K., Wang, Y., Jiang, F., & Riffat, S. B. (2019). Fabrication and characterization of a novel konjac glucomannan-based air filtration aerogels strengthened by wheat straw and okara. Carbohydrate Polymers, 224, Article 115129. https://doi.org/10.1016/j.carbpol.2019.115129

The konjac glucomannan (KGM)-based aerogel as an air filtration material was fabricated through sol-gel and freeze-drying methods. Results showed that gelatin and starch addition could increase the filtration efficiency and compressive strength of ae... Read More about Fabrication and characterization of a novel konjac glucomannan-based air filtration aerogels strengthened by wheat straw and okara.

A Novel and Accurate Method for Moisture Adsorption Isotherm Determination of Sultana Raisins (2019)
Journal Article
Li, J., Dong, L., Xiao, M., Qiao, D., Wu, K., Jiang, F., …Su, Y. (2019). A Novel and Accurate Method for Moisture Adsorption Isotherm Determination of Sultana Raisins. Food Analytical Methods, 12(11), 2491-2499. https://doi.org/10.1007/s12161-019-01599-0

A novel method (dynamic water transfer–based water activity analyzer (DWT) method) based on Fick’s law of diffusion for the accurate measurement of moisture sorption isotherm (MSI) has been developed and was compared with saturated salt solutions (SS... Read More about A Novel and Accurate Method for Moisture Adsorption Isotherm Determination of Sultana Raisins.

Effect of drying temperature on structural and thermomechanical properties of konjac glucomannan-zein blend films (2019)
Journal Article
Li, C., Wu, K., Su, Y., Riffat, S. B., Ni, X., & Jiang, F. (2019). Effect of drying temperature on structural and thermomechanical properties of konjac glucomannan-zein blend films. International Journal of Biological Macromolecules, 138, 135-143. https://doi.org/10.1016/j.ijbiomac.2019.07.007

Konjac glucomannan (KGM)/zein blend films were successfully prepared by solution casting at different drying temperatures (40, 50, 60, 70 and 80 °C). The effects of drying temperature on the films' structural, thermomechanical, mechanical and water b... Read More about Effect of drying temperature on structural and thermomechanical properties of konjac glucomannan-zein blend films.

Experimental Studies of a Pulse Pressurisation Technique for Measuring Building Airtightness (2019)
Journal Article
Zheng, X., Zu, Y., Cooper, E., Gillott, M., Tetlow, D., Riffat, S., & Wood, C. (2019). Experimental Studies of a Pulse Pressurisation Technique for Measuring Building Airtightness. Future Cities and Environment, 5(1), 1-17. https://doi.org/10.5334/fce.66

A pulse pressurisation technique is developed and utilised for determining building leakage at low pressure, based on a "quasi-steady pulse" concept. The underlying principle of the technique is to subject the building envelope to a known volume chan... Read More about Experimental Studies of a Pulse Pressurisation Technique for Measuring Building Airtightness.

Proceedings of the 17th International Conference on Sustainable Energy Technologies – SET 2018, 21st - 23rd August 201 8 , Wuhan, China : Sustainable Energy Technologies f or Eco Cities and Environment (2019)
Conference Proceeding
(2019). Proceedings of the 17th International Conference on Sustainable Energy Technologies – SET 2018, 21st - 23rd August 201 8 , Wuhan, China : Sustainable Energy Technologies f or Eco Cities and Environment. In S. Riffat, Y. Su, D. Liu, & Y. Zhang (Eds.), Proceedings of the 17th International Conference on Sustainable Energy Technologies – SET 2018, 21st - 23rd August 2018 , Wuhan, China

Understanding the multi-scale structure and digestion rate of water chestnut starch (2019)
Journal Article
Qiao, D., Tu, W., Zhang, B., Wang, R., Li, N., Nishinari, K., …Jiang, F. (2019). Understanding the multi-scale structure and digestion rate of water chestnut starch. Food Hydrocolloids, 91, 311-318. https://doi.org/10.1016/j.foodhyd.2019.01.036

Using combined techniques and two comparisons (maize and cassava starches), this work concerns the multi-scale structure and digestion rate of water chestnut tuber starch. Among the starches, the water chestnut starch showed altered hierarchical stru... Read More about Understanding the multi-scale structure and digestion rate of water chestnut starch.

A novel approach to thermal storage of direct steam generation solar power systems through two-step heat discharge (2018)
Journal Article
Li, J., Gao, G., Kutlu, C., Liu, K., Pei, G., Su, Y., …Riffat, S. (2019). A novel approach to thermal storage of direct steam generation solar power systems through two-step heat discharge. Applied Energy, 236, 81-100. https://doi.org/10.1016/j.apenergy.2018.11.084

© 2018 Elsevier Ltd Steam accumulators are the only commercial solution for heat storage of direct steam generation (DSG) solar thermal power plants. Current accumulators have low storage capacity as the turbine suffers from inefficient off-design op... Read More about A novel approach to thermal storage of direct steam generation solar power systems through two-step heat discharge.

A novel hybrid dew point cooling system for mobile applications (2018)
Conference Proceeding
Worall, M., Dicken, A., Shatat, M., Gledhill, S., & Riffat, S. (2018). A novel hybrid dew point cooling system for mobile applications

A novel dew point cooling system for truck cabin cooling has been designed and tested, which shows excellent performance in environments of low to medium relative humidity. Experimental results showed that cooling capacity of over 1kW could be achiev... Read More about A novel hybrid dew point cooling system for mobile applications.

Experimental studies of a pulse pressurisation technique for measuring building airtightness (2018)
Conference Proceeding
Zheng, X., Cooper, E., Zu, Y., Gillott, M., Tetlow, D., Riffat, S., & Wood, C. (in press). Experimental studies of a pulse pressurisation technique for measuring building airtightness.

A pulse pressurisation technique is developed and utilised for determining building leakage at low pressure, based on a 'quasi-steady pulse' concept. The underlying principle of the technique is to subject the building envelope to a known volume chan... Read More about Experimental studies of a pulse pressurisation technique for measuring building airtightness.

Experimental study on a novel photovoltaic thermal system using amorphous silicon cells deposited on stainless steel (2018)
Journal Article
Li, J., Ren, X., Yuan, W., Li, Z., Pei, G., Su, Y., …Riffat, S. (2018). Experimental study on a novel photovoltaic thermal system using amorphous silicon cells deposited on stainless steel. Energy, 159, https://doi.org/10.1016/j.energy.2018.06.127

Amorphous silicon (a-Si) cells are able to perform better as temperature increases due to the effect of thermal annealing. a-Si cells have great potential to solve or ease the problems of high power temperature coefficient, large thermal stress cause... Read More about Experimental study on a novel photovoltaic thermal system using amorphous silicon cells deposited on stainless steel.

A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate (2018)
Journal Article
Mohamed, E., Riffat, S., Omer, S., & Zeinelabdien, R. (2019). A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate. Renewable Energy, 130, 582-600. https://doi.org/10.1016/j.renene.2018.06.075

Solar energy assisted heat pump systems (SAHP) have been used in this application. SAHP system with solar collectors and the heat pump are combined into one unit so as to convey the solar energy to the refrigerant. The solar collector is used as the... Read More about A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate.

Economic evaluation of installation of standalone wind farm and Wind+CAES system for the new regulating tariffs for renewables in Egypt (2018)
Journal Article
Ramadan, O., Omer, S., Ding, Y., Jarimi, H., Chen, X., & Riffat, S. (2018). Economic evaluation of installation of standalone wind farm and Wind+CAES system for the new regulating tariffs for renewables in Egypt. Thermal Science and Engineering Progress, 7, 311-325. https://doi.org/10.1016/j.tsep.2018.06.005

Compressed Air Energy Storage (CAES) is widely recognized as a viable solution for large-scale grid integrated renewable energy systems in terms of load levelling to solve/minimize the intermittency effect of renewable energy systems especially with... Read More about Economic evaluation of installation of standalone wind farm and Wind+CAES system for the new regulating tariffs for renewables in Egypt.

Recent active technologies of greenhouse systems: a comprehensive review (2018)
Journal Article
Harjunowibowo, D., Ding, Y., Omer, S., & Riffat, S. (2018). Recent active technologies of greenhouse systems: a comprehensive review. Bulgarian Journal of Agricultural Science, 24(1), 158-170

Recent innovations in greenhouses for energy-saving purposes have included developments in heat-pump technology, semi-transparent Photovoltaic (PV), lighting technology, and control systems. In addition, retrofitting greenhouse with Light Emittance... Read More about Recent active technologies of greenhouse systems: a comprehensive review.

A comprehensive review on 2D and 3D models of vertical ground heat exchangers (2018)
Journal Article
Cui, Y., Zhu, J., Twaha, S., & Riffat, S. (2018). A comprehensive review on 2D and 3D models of vertical ground heat exchangers. Renewable and Sustainable Energy Reviews, 94, https://doi.org/10.1016/j.rser.2018.05.063

The ground source heat pumps (GSHPs) have been extensively applied to commercial and residential buildings owing to their high-energy efficiencies and low running costs. The key component of the GSHP is a ground heat exchanger (GHE). The state-of-the... Read More about A comprehensive review on 2D and 3D models of vertical ground heat exchangers.

Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw (2018)
Journal Article
Wang, Y., Wu, K., Xiao, M., Riffat, S. B., Su, Y., & Jiang, F. (2018). Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw. Carbohydrate Polymers, 197, 284-291. https://doi.org/10.1016/j.carbpol.2018.06.009

This study presents the preparation and property characterization of a konjac glucomannan (KGM)/starch based aerogel as a thermal insulation material. Wheat straw powders (a kind of agricultural waste) and starch are used to enhance aerogel physical... Read More about Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw.

Off-design performance modelling of a solar organic Rankine cycle integrated with pressurized hot water storage unit for community level application (2018)
Journal Article
Kutlu, C., Li, J., Su, Y., Pei, G., & Riffat, S. (2018). Off-design performance modelling of a solar organic Rankine cycle integrated with pressurized hot water storage unit for community level application. Energy Conversion and Management, 166, https://doi.org/10.1016/j.enconman.2018.04.024

Solar organic Rankine cycle (ORC) has advantages over common PV systems in view of the flexible operation even if solar radiation is unavailable. However, at present the dynamic performance of solar ORC with respect to the off-design behaviour of sto... Read More about Off-design performance modelling of a solar organic Rankine cycle integrated with pressurized hot water storage unit for community level application.

Corrigendum: Materials characterization of innovative composite materials for solar-driven thermochemical heat storage (THS) suitable for building application (2018)
Journal Article
Jarimi, H., Aydin, D., Zhang, Y., Ding, Y., Ramadan, O., Chen, X., …Riffat, S. (2018). Corrigendum: Materials characterization of innovative composite materials for solar-driven thermochemical heat storage (THS) suitable for building application. International Journal of Low-Carbon Technologies, 13(2), 191. https://doi.org/10.1093/ijlct/cty015

A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel (2018)
Journal Article
Tian, M., Yu, X., Su, Y., Zheng, H., & Riffat, S. (2018). A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel. Solar Energy, 165, https://doi.org/10.1016/j.solener.2018.03.009

When a transparent dielectric compound parabolic concentrator (CPC) PV panel is applied as a skylight in atrium, heat rejection from the PV cells results in both low electrical conversion efficiency and unwanted heat to the atrium in summer, which us... Read More about A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel.

Evaluation of a large dish-type concentrator solar lighting system for underground car park (2018)
Journal Article
Song, D., Lv, H., Liao, J., Huang, W., Huang, S., Cheng, C., …Riffat, S. (2018). Evaluation of a large dish-type concentrator solar lighting system for underground car park. International Journal of Energy Research, 42(6), 2234-2245. https://doi.org/10.1002/er.4017

To utilize solar energy more efficiently and reduce lighting power consumption in underground public spaces such as car park, a large dish-type concentrator solar lighting system is put forward along with its evaluation, which is a unique design to a... Read More about Evaluation of a large dish-type concentrator solar lighting system for underground car park.

A novel evaporative cooling system with a polymer hollow fibre spindle (2018)
Journal Article
Chen, X., Su, Y., Aydin, D., Ding, Y., Zhang, S., Reay, D., & Riffat, S. (2018). A novel evaporative cooling system with a polymer hollow fibre spindle. Applied Thermal Engineering, 132, 665-675. https://doi.org/10.1016/j.applthermaleng.2018.01.005

A polymer hollow fibre evaporative cooling system with a novel configuration of fibre bundle is proposed. With the aim to avoid the flow channelling or shielding of adjacent fibres the fibres inside each bundle were made into a spindle shape to maxim... Read More about A novel evaporative cooling system with a polymer hollow fibre spindle.

Materials characterization of innovative composite materials for solar-driven thermochemical heat storage (THS) suitable for building application (2017)
Journal Article
Jarimi, H., Aydin, D., Zhang, Y., Ding, Y., Ramadan, O., Chen, X., …Riffat, S. (2018). Materials characterization of innovative composite materials for solar-driven thermochemical heat storage (THS) suitable for building application. International Journal of Low-Carbon Technologies, 13(1), https://doi.org/10.1093/ijlct/ctx017

Thermochemical Heat Storage (THS) systems have recently attracted a lot of attention in research and development. One of the main parameters that influence the performance of a THS system is the thermochemical materials. This paper aims to investigat... Read More about Materials characterization of innovative composite materials for solar-driven thermochemical heat storage (THS) suitable for building application.

Numerical and experimental analysis of a novel heat pump driven sorption storage heater (2017)
Journal Article
Aydin, D., Casey, S. P., Chen, X., & Riffat, S. (2018). Numerical and experimental analysis of a novel heat pump driven sorption storage heater. Applied Energy, 211, 954-974. https://doi.org/10.1016/j.apenergy.2017.11.102

This study investigates a hybrid “solid sorption heat storage/air sourced heat pump” system for energy efficient heating of buildings. The proposed system could convert excess energy generated using photovoltaic panels/off-peak electricity to heat an... Read More about Numerical and experimental analysis of a novel heat pump driven sorption storage heater.

A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications (2017)
Journal Article
Tian, M., Su, Y., Zheng, H., Pei, G., Li, G., & Riffat, S. (2018). A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications. Renewable and Sustainable Energy Reviews, 82, https://doi.org/10.1016/j.rser.2017.09.050

Compound parabolic concentrator (CPC) has been gaining ever-increasing attention from academic researchers and industrial developers owing to its stationary feature for solar energy collection with a higher efficiency. As a low concentration concentr... Read More about A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications.

Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications (2017)
Journal Article
Tetlow, D., Simon, L. D., Liew, S. Y., Hewakandamby, B. N., Mack, D., Thielemans, W., & Riffat, S. (2017). Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications. Energy and Buildings, 156, https://doi.org/10.1016/j.enbuild.2017.08.058

This article investigates impact of substituting fumed silica with a cellulosic-crystal innovation in a commercial Vacuum Insulated Panel (VIP) core. High building performance demands have attracted VIP technology investment to increase production ca... Read More about Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications.

Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid (2017)
Journal Article
Fang, W., Riffat, S., & Wu, Y. (in press). Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid. International Journal of Low-Carbon Technologies, https://doi.org/10.1093/ijlct/ctx010

Performance of a microencapsulated phase-change material (PCM) as a heat-transport medium in an evacuated heat pipe solar collector was evaluated and the results compared with those using water. Collector efficiency was experimentally determined acco... Read More about Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid.

Reducing greenhouse energy consumption using novelty rooftop: a simulation (2017)
Conference Proceeding
Harjunowibowo, D., Yate, D., Omer, S. A., & Riffat, S. B. (2017). Reducing greenhouse energy consumption using novelty rooftop: a simulation.

Recently, more than 80% of total energy of commercial greenhouse in the northern hemisphere is used just for heating. Mostly, the energy loss happens up to 40% caused by the poor U-value of the façades. Therefore, by lowering the U-value would decrea... Read More about Reducing greenhouse energy consumption using novelty rooftop: a simulation.

Overview of working fluids and sustainable heating, cooling and power generation technologies (2017)
Journal Article
Riffat, S., Aydin, D., Powell, R., & Yuan, Y. (2017). Overview of working fluids and sustainable heating, cooling and power generation technologies. International Journal of Low-Carbon Technologies, 12(4), https://doi.org/10.1093/ijlct/ctx008

Dependency on energy is much higher than the past and it is clear that energy is vital for a sustainable and safer future. Therefore, urgent solutions are required not only to increase share of renewable resources but also more efficient usage of fos... Read More about Overview of working fluids and sustainable heating, cooling and power generation technologies.

Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design (2017)
Journal Article
Casey, S. P., Aydin, D., Elvins, J., & Riffat, S. (2017). Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design. Energy Conversion and Management, 142, https://doi.org/10.1016/j.enconman.2017.03.066

In this study, the performance of three nano-composite energy storage absorbents; Vermiculite-CaCl2 (SIM-3a), Vermiculite-CaCl2-LiNO3 (SIM-3f), and the desiccant Zeolite 13X were experimentally investigated for suitability to domestic scale thermal e... Read More about Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design.

An experimental investigation of a micro-tubular SOFC membrane-separated liquid desiccant dehumidification and cooling tri-generation system (2017)
Journal Article
Worall, M., Elmer, T., Riffat, S., Wu, S., & Du, S. (2017). An experimental investigation of a micro-tubular SOFC membrane-separated liquid desiccant dehumidification and cooling tri-generation system. Applied Thermal Engineering, 120, https://doi.org/10.1016/j.applthermaleng.2017.03.032

This paper reports the results of experimental work carried out on a micro-tubular solid oxide fuel cell tri-generation systemthat uses the waste heat from the fuel cell for dehumidification and cooling though the integration of an open cycle liquid... Read More about An experimental investigation of a micro-tubular SOFC membrane-separated liquid desiccant dehumidification and cooling tri-generation system.

A novel high capacity space efficient heat storage system for domestic applications (2016)
Conference Proceeding
Ramadan, M. E., Omer, S., & Riffat, S. (2016). A novel high capacity space efficient heat storage system for domestic applications.

Energy consumption in domestic buildings is dominated by space heating 60 percent followed by hot water 14 percent in the UK. Space heating and water heating confers a disparate set of industrial challenges to the manufacture and this is a very deman... Read More about A novel high capacity space efficient heat storage system for domestic applications.

A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: nanostructure, activity, mechanism and carbon support in PEM fuel cells (2016)
Journal Article
Sui, S., Wang, X., Zhou, X., Su, Y., Riffat, S., & Liu, C. (2017). A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: nanostructure, activity, mechanism and carbon support in PEM fuel cells. Journal of Materials Chemistry A, 5(5), https://doi.org/10.1039/c6ta08580f

The sluggish rate of the oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells has been a major challenge. Significantly increasing efforts have been made worldwide towards a highly active ORR catalyst with high durability. Amo... Read More about A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: nanostructure, activity, mechanism and carbon support in PEM fuel cells.

Field trialling of a pulse airtightness tester in a range of UK homes (2016)
Journal Article
Cooper, E., Zheng, X., Wood, C., Gillott, M. C., Tetlow, D., Riffat, S., & Simon, L. D. (2019). Field trialling of a pulse airtightness tester in a range of UK homes. International Journal of Ventilation, 18(1), 1-18. https://doi.org/10.1080/14733315.2016.1252155

A new low pressure ‘quasi-steady’ pulse technique for determining the airtightness of buildings has been developed further and compared with the standard blower-door technique for field-testing a range of typical UK homes. The reported low pressure a... Read More about Field trialling of a pulse airtightness tester in a range of UK homes.

Desiccant cooling systems: a review (2016)
Journal Article
Sahlot, M., & Riffat, S. (2016). Desiccant cooling systems: a review. International Journal of Low-Carbon Technologies, 11(4), https://doi.org/10.1093/ijlct/ctv032

Desiccant cooling systems have been considered as an efficient method of controlling moisture content in supply air. They do not use any ozone-depleting coolants and consume less energy as compared with the vapour compression systems. This communicat... Read More about Desiccant cooling systems: a review.

Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification (2016)
Journal Article
Jradi, M., & Riffat, S. (in press). Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification. International Journal of Green Energy, 13(13), https://doi.org/10.1080/15435075.2016.1183205

In this study, an innovative heat and mass transfer core is proposed to provide thermal comfort and humidity control using a hollow fiber contactor with multiple bundles of micro-porous hollow fibers. The hollow fiber-based core utilizes 12 bundles a... Read More about Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification.

Recent passive technologies of greenhouse systems: a review (2016)
Conference Proceeding
Harjunowibowo, D., Cuce, E., Omer, S. A., & Riffat, S. B. (2016). Recent passive technologies of greenhouse systems: a review.

There are 130 countries produces greenhouse vegetables commercially with more than 1.1 million acres in 2016. Most of the greenhouses deal with high operating costs due to the great energy needs. The high heat loss because of the greenhouse envelope... Read More about Recent passive technologies of greenhouse systems: a review.

Assessment of a novel solid oxide fuel cell tri-generation system for building applications (2016)
Journal Article
Elmer, T., Worall, M., Wu, S., & Riffat, S. (2016). Assessment of a novel solid oxide fuel cell tri-generation system for building applications. Energy Conversion and Management, 124, https://doi.org/10.1016/j.enconman.2016.07.010

The paper provides a performance analysis assessment of a novel solid oxide fuel cell (SOFC) liquid desiccant tri-generation system for building applications. The work presented serves to build upon the current literature related to experimental eval... Read More about Assessment of a novel solid oxide fuel cell tri-generation system for building applications.

Experimental evaluation of a liquid desiccant air conditioning system for tri-generation / waste heat driven applications (2016)
Journal Article
Elmer, T., Worall, M., Wu, S., & Riffat, S. (2017). Experimental evaluation of a liquid desiccant air conditioning system for tri-generation / waste heat driven applications. International Journal of Low-Carbon Technologies, 12(2), 110-125. https://doi.org/10.1093/ijlct/ctw012

The paper aims to evaluate the application of liquid desiccant air conditioning technology in the development of efficient and effective tri-generation/waste heat driven system applications, in particular with regard to solid oxide fuel cell (SOFC) t... Read More about Experimental evaluation of a liquid desiccant air conditioning system for tri-generation / waste heat driven applications.

A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests (2016)
Journal Article
Cuce, E., & Riffat, S. (2017). A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests. International Journal of Low-Carbon Technologies, 12(2), https://doi.org/10.1093/ijlct/ctw009

Heat insulation solar glass (HISG) is a recently developed smart building material to minimize energy consumption of building sector. HISG might be presumed to be a conventional photovoltaic glazing product; however, it is completely unique by having... Read More about A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests.

Experimental investigations of polymer hollow fibre heat exchangers for building heat recovery application (2016)
Journal Article
Chen, X., Su, Y., Aydin, D., Reay, D., Law, R., & Riffat, S. (2016). Experimental investigations of polymer hollow fibre heat exchangers for building heat recovery application. Energy and Buildings, 125, 99-108. https://doi.org/10.1016/j.enbuild.2016.04.083

Due to low cost, light weight and corrosion resistant features, polymer heat exchangers have been extensively studied by researchers with the aim to replace metallic heat exchangers in a wide range of applications. Although the thermal conductivity o... Read More about Experimental investigations of polymer hollow fibre heat exchangers for building heat recovery application.

Recent research developments in polymer heat exchangers: a review (2016)
Journal Article
Chen, X., Su, Y., Reay, D., & Riffat, S. (2016). Recent research developments in polymer heat exchangers: a review. Renewable and Sustainable Energy Reviews, 60, 1367-1386. https://doi.org/10.1016/j.rser.2016.03.024

Due to their low cost, light weight and corrosive resistant features, polymer heat exchangers have been intensively studied by researchers with the aim to replace metallic heat exchangers in a wide range of applications. This paper reviews the develo... Read More about Recent research developments in polymer heat exchangers: a review.

Build-up and performance test of a novel solar thermal roof for heat pump operation (2015)
Journal Article
Buker, M. S., & Riffat, S. (2017). Build-up and performance test of a novel solar thermal roof for heat pump operation. International Journal of Ambient Energy, 38(4), 365-379. https://doi.org/10.1080/01430750.2015.1121920

Global increase in energy demand and fossil fuel prices loaded ever-increasing pressure on identifying and implementing new means to utilise clean and efficient energy resources. Due to the environmental benefits, technical and economic possibilities... Read More about Build-up and performance test of a novel solar thermal roof for heat pump operation.

An experimental study of a novel integrated desiccant air conditioning system for building applications (2015)
Journal Article
Elmer, T., Worall, M., Wu, S., & Riffat, S. (2016). An experimental study of a novel integrated desiccant air conditioning system for building applications. Energy and Buildings, 111, https://doi.org/10.1016/j.enbuild.2015.11.065

To date, the application of liquid desiccant air conditioning systems in built environment applications, particularly small scale, has been limited. This is primarily due to large system size and complexity, issues of desiccant solution leakage and c... Read More about An experimental study of a novel integrated desiccant air conditioning system for building applications.

Active thermal mass enhancement using phase change materials (2015)
Journal Article
Whiffen, T., Russell-Smith, G., & Riffat, S. (2016). Active thermal mass enhancement using phase change materials. Energy and Buildings, 111, https://doi.org/10.1016/j.enbuild.2015.09.062

Buildings account for around 40% of energy consumption in the UK. For over twenty years active thermal mass systems have been a feature in low-energy buildings in northern Europe. By passing ventilation air, and utilising night ventilation, through t... Read More about Active thermal mass enhancement using phase change materials.

Emission and economic performance assessment of a solid oxide fuel cell micro-combined heat and power system in a domestic building (2015)
Journal Article
Elmer, T., Worall, M., Wu, S., & Riffat, S. (2015). Emission and economic performance assessment of a solid oxide fuel cell micro-combined heat and power system in a domestic building. Applied Thermal Engineering, 90, https://doi.org/10.1016/j.applthermaleng.2015.03.078

Combined heat and power (CHP) is a promising technological configuration for reducing energy consumption and increasing energy security in the domestic built environment. Fuel cells, on account of their: high electrical efficiency, low emissions and... Read More about Emission and economic performance assessment of a solid oxide fuel cell micro-combined heat and power system in a domestic building.

Fuel cell technology for domestic built environment applications: state of-the-art review (2014)
Journal Article
Elmer, T., Worall, M., Wu, S., & Riffat, S. (2015). Fuel cell technology for domestic built environment applications: state of-the-art review. Renewable and Sustainable Energy Reviews, 42, https://doi.org/10.1016/j.rser.2014.10.080

Fuel cells produce heat when generating electricity, thus they are of particular interest for combined heat and power (CHP) and combined cooling heat and power (CCHP) applications, also known as tri-generation systems. CHP and tri-generation systems... Read More about Fuel cell technology for domestic built environment applications: state of-the-art review.

The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings (2014)
Journal Article
Owajionyi, F. . L., Omer, S., Riffat, S., & Mempouo, B. (in press). The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings. Sustainable Cities and Society, Article e1-e9. https://doi.org/10.1016/j.scs.2014.06.002

Increase in energy usage, particularly from fossil fuel sources is widely understood to be responsible for the environmental problems (Climate Change) experienced globally today. Response to mitigating this anthropogenic induced consequence created t... Read More about The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings.

Thermal analysis of flat and transpired solar facades (2014)
Journal Article
Chan, H., Zhu, J., Hafidz Ruslan, M., Sopian, K., & Riffat, S. (2014). Thermal analysis of flat and transpired solar facades. Energy Procedia, 48, 1345-1354. doi:10.1016/j.egypro.2014.02.152

Building integrated solar technologies is important not only to reduce energy consumption and carbon emissions but also to help to make the technologies more economically feasible and challenge the creativity of architects in designing buildings. In... Read More about Thermal analysis of flat and transpired solar facades.

A study on use of miniature dielectric compound parabolic concentrator (dCPC) for daylighting control application (2014)
Journal Article
Yu, X., Su, Y., Zheng, H., & Riffat, S. (2014). A study on use of miniature dielectric compound parabolic concentrator (dCPC) for daylighting control application. Building and Environment, 74, https://doi.org/10.1016/j.buildenv.2013.12.008

Low-concentration solid dielectric compound parabolic concentrator (dCPC) and its variations have been widely regarded as an attractive solution to reduce the cost of a photovoltaic (PV) system, particularly for building-integrated application. Diffe... Read More about A study on use of miniature dielectric compound parabolic concentrator (dCPC) for daylighting control application.

Experimental investigation on PCM cold storage integrated with ejector cooling system (2013)
Journal Article
Chen, X., Worall, M., Omer, S., Su, Y., & Riffat, S. (2014). Experimental investigation on PCM cold storage integrated with ejector cooling system. Applied Thermal Engineering, 63(1), 419-427. https://doi.org/10.1016/j.applthermaleng.2013.11.029

An experimental investigation on the operating characteristics of cold storage ejector cooling system with finned tube inside a cylindrical PCM tank was presented in this paper. The PCM cold storage tank was coupled with the evaporator to store the e... Read More about Experimental investigation on PCM cold storage integrated with ejector cooling system.

Vacuum insulated panels for sustainable buildings: a review of research and applications (2013)
Journal Article
Alotaibi, S. S., & Riffat, S. (2014). Vacuum insulated panels for sustainable buildings: a review of research and applications. International Journal of Energy Research, 38(1), 1-19. https://doi.org/10.1002/er.3101

New research has identified vacuum insulation panels (VIPs) as highly efficient insulators for use in building construction. They are reported to be several times more effective than conventional materials of a similar thickness in terms of thermal c... Read More about Vacuum insulated panels for sustainable buildings: a review of research and applications.

An innovative psychometric solar-powered water desalination system (2012)
Journal Article
Shatat, M., Riffat, S., & Gan, G. (2016). An innovative psychometric solar-powered water desalination system. International Journal of Low-Carbon Technologies, 11(2), https://doi.org/10.1093/ijlct/cts075

Important advances have been made in solar water desalination technology but their wide application is restricted by relatively high capital and running costs. Until recently, solar concentrator collectors had usually been employed to distill water i... Read More about An innovative psychometric solar-powered water desalination system.

Design analysis of a hybrid jet-pump CO2 compression system
Conference Proceeding
Worall, M., Omer, S., & Riffat, S. (2010). Design analysis of a hybrid jet-pump CO2 compression system.

Transport refrigeration contributes to anthropogenic global warming directly because of leakage of refrigerant, usually using high global warming potential (GWP) refrigerants, and indirectly because of the greenhouse gases emitted in driving the vehi... Read More about Design analysis of a hybrid jet-pump CO2 compression system.