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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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.