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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 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., …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.

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.

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

A Review on the Potential of Electric Vehicles in Reducing World CO2 Footprints (2020)
Conference Proceeding
Alotaibi, S., Omer, S., & Su, Y. (2022). A Review on the Potential of Electric Vehicles in Reducing World CO2 Footprints. In Open Science Index, Transport and Vehicle Engineering. , (570-578)

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.

The Technical Challenges Facing the Integration of Small-Scale and Large-scale PV Systems into the Grid: A Critical Review (2019)
Journal Article
Alshahrani, A., Omer, S., Su, Y., Mohamed, E., & Alotaibi, S. (2019). The Technical Challenges Facing the Integration of Small-Scale and Large-scale PV Systems into the Grid: A Critical Review. Electronics, 8(12), https://doi.org/10.3390/electronics8121443

Decarbonisation, energy security and expanding energy access are the main driving forces behind the worldwide increasing attention in renewable energy. This paper focuses on the solar photovoltaic (PV) technology because, currently, it has the most a... Read More about The Technical Challenges Facing the Integration of Small-Scale and Large-scale PV Systems into the Grid: A Critical Review.

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.

A study on heat storage sizing and flow control for a domestic scale solar-powered organic Rankine cycle-vapour compression refrigeration system (2019)
Journal Article
Kutlu, C., Erdinc, M. T., Li, J., Wang, Y., & Su, Y. (2019). A study on heat storage sizing and flow control for a domestic scale solar-powered organic Rankine cycle-vapour compression refrigeration system. Renewable Energy, 143, 301-312. https://doi.org/10.1016/j.renene.2019.05.017

This paper presents the off-design modelling of a domestic scale solar organic Rankine cycle (ORC) and vapour compression cycle (VCC) in a coupled operation in different operating modes by using evacuated flat plate (EFP) collectors. Thermodynamic an... Read More about A study on heat storage sizing and flow control for a domestic scale solar-powered organic Rankine cycle-vapour compression refrigeration system.