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All Outputs (102)

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., Su, Y., & 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.

An Investigation into the Potential of Hosting Capacity and the Frequency Stability of a Regional Grid with Increasing Penetration Level of Large-Scale PV Systems (2021)
Journal Article
Alshahrani, A., Omer, S., & Su, Y. (2021). An Investigation into the Potential of Hosting Capacity and the Frequency Stability of a Regional Grid with Increasing Penetration Level of Large-Scale PV Systems. Electronics, 10(11), Article 1254. https://doi.org/10.3390/electronics10111254

It is widely believed that the incorporation of renewable energy to the current power grid is the way forward in achieving sustainable power generation. Currently, with the reduction of PV prices, many countries have started connecting PV systems int... Read More about An Investigation into the Potential of Hosting Capacity and the Frequency Stability of a Regional Grid with Increasing Penetration Level of Large-Scale PV Systems.

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., Riffat, S., Su, Y., & 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 novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity (2021)
Journal Article
Eltaweel, A., Su, Y., Mandour, M., & Elrawy, O. O. (2021). A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity. Journal of Building Engineering, 42, Article 102438. https://doi.org/10.1016/j.jobe.2021.102438

Daylighting harvest systems have been improved in recent decades. They have been dramatically used in green buildings to achieve a more sustainable living environment. However, their cost, sizes, shapes, materials, accuracy and control methods are co... Read More about A novel automated louver with parametrically-angled reflective slats; design evaluation for better practicality and daylighting uniformity.

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., Wang, Q., Riffat, S., Su, Y., & 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 automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board (2020)
Journal Article
Eltaweel, A., Su, Y., Hafez, M., & Eltaweel, W. (2021). An automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board. Energy and Buildings, 231, Article 110614. https://doi.org/10.1016/j.enbuild.2020.110614

Energy-saving potential in lighting is significant in office buildings due to their primary occupancy during the daytime. This potential can be realised with an advanced daylighting system being particularly able to deliver more uniform and steadier... Read More about An automated louver with innovative parametrically-angled reflective slats: Prototyping and validation via using parametric control in Grasshopper along with Arduino board.

Droplet entrainment within the evaporator to the suitable volume-filling ratio of a vertical two-phase closed thermosyphon (2020)
Journal Article
Zhang, T., Yan, Z., Wang, L., Zheng, W., Su, Y., & Zheng, R. (2021). Droplet entrainment within the evaporator to the suitable volume-filling ratio of a vertical two-phase closed thermosyphon. International Journal of Thermal Sciences, 159, Article 106576. https://doi.org/10.1016/j.ijthermalsci.2020.106576

The present study on vertical two-phase closed thermosyphon (TPCT) is aimed to determine the suitable volume-filling ratio, as a function of geometries, heat flux and vapor temperature, in order to avoid the potential local dryout in the evaporator s... Read More about Droplet entrainment within the evaporator to the suitable volume-filling ratio of a vertical two-phase closed thermosyphon.

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., Riffat, S., Su, Y., & 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., Riffat, S., Su, Y., & 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.

Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room (2020)
Journal Article
Eltaweel, A., Su, Y., Lv, Q., & Lv, H. (2020). Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room. Solar Energy, 206, 596-613. https://doi.org/10.1016/j.solener.2020.06.035

Advanced daylighting systems have become commonly used in modern architecture for a more sustainable environment. The mainstream of recent daylighting studies focuses not only on the quantity but also the quality of daylight delivered to an interior... Read More about Advanced parametric louver systems with bi-axis and two-layer designs for an extensive daylighting coverage in a deep-plan office room.

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.

A Review on the Potential of Electric Vehicles in Reducing World CO2 Footprints (2020)
Presentation / Conference Contribution
Alotaibi, S., Omer, S., & Su, Y. (2020, December). A Review on the Potential of Electric Vehicles in Reducing World CO2 Footprints. Presented at XIV. International Conference on Electric Vehicle Engineering and Applications, Paris, France

The conventional Internal Combustion Engine (ICE) based vehicles are a threat to the environment as they account for a large proportion of the overall greenhouse gas (GHG) emissions in the world. Hence, it is required to replace these vehicles with m... Read More about A Review on the Potential of Electric Vehicles in Reducing World CO2 Footprints.

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.

Comparative study on the annual performance between loop thermosyphon solar water heating system and conventional solar water heating system (2020)
Journal Article
Zhang, T., Yan, Z. W., Wang, L. Y., Zheng, W. J., & Su, Y. H. (2020). Comparative study on the annual performance between loop thermosyphon solar water heating system and conventional solar water heating system. Solar Energy, 197, 433-442. https://doi.org/10.1016/j.solener.2020.01.019

Loop thermosyphon (LT) is usually introduced to overcome the freezing and corrosion problems associated with the conventional solar water heating (SWH) system. Compared with the conventional SWH system, the LT-SWH system possesses a lower nighttime h... Read More about Comparative study on the annual performance between loop thermosyphon solar water heating system and conventional solar water heating system.