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Comprehensive performance analysis of a novel closed-loop hydronic cooling of photovoltaic panel with a controlled intermittent flow strategy (2024)
Journal Article
Dirawi, H., Wang, Q., Hu, M., Su, Y., & Riffat, S. (2025). Comprehensive performance analysis of a novel closed-loop hydronic cooling of photovoltaic panel with a controlled intermittent flow strategy. Renewable Energy, 239, Article 122185. https://doi.org/10.1016/j.renene.2024.122185

Photovoltaic (PV) technology has seen rapid development in hot and arid regions due to intense solar radiation. However, extreme weather conditions pose challenges for PV applications in terms of efficiency and lifespan. A new closed-loop hydronic co... Read More about Comprehensive performance analysis of a novel closed-loop hydronic cooling of photovoltaic panel with a controlled intermittent flow strategy.

A study on the combination of crystallization-controllable phase change materials and solar-assisted heat pump for electricity demand shifting in space heating (2024)
Journal Article
Kutlu, C., Erdinc, M. T., Dik, A., Chen, Z., Lyu, Q., Su, Y., & Riffat, S. (2025). A study on the combination of crystallization-controllable phase change materials and solar-assisted heat pump for electricity demand shifting in space heating. Energy Conversion and Management, 324, Article 119260. https://doi.org/10.1016/j.enconman.2024.119260

Supercooled phase change materials offer a promising solution for space heating due to their ability to release latent heat upon crystallization initiation, even when stored at ambient temperatures. This unique property makes them ideal for solar-ass... Read More about A study on the combination of crystallization-controllable phase change materials and solar-assisted heat pump for electricity demand shifting in space heating.

Enhancing radiative sky cooling performance by employing crossed compound parabolic concentrating configurations (2024)
Journal Article
Dan, Y., Hu, M., Wang, Q., Su, Y., & Riffat, S. (2025). Enhancing radiative sky cooling performance by employing crossed compound parabolic concentrating configurations. Renewable Energy, 239, Article 121979. https://doi.org/10.1016/j.renene.2024.121979

Achieving superior radiative sky cooling (RC) performance in practical applications is challenging due to its cooling power is easily compromised by unwanted thermal energy influxes, including solar heat gain and thermal radiation from nearby warm ob... Read More about Enhancing radiative sky cooling performance by employing crossed compound parabolic concentrating configurations.

Comprehensive evaluation of integrating radiative sky cooling with compound parabolic concentrator for cooling flux amplifying (2024)
Journal Article
Dan, Y., Hu, M., Wang, Q., Su, Y., & Riffat, S. (2024). Comprehensive evaluation of integrating radiative sky cooling with compound parabolic concentrator for cooling flux amplifying. Energy, 312, Article 133673. https://doi.org/10.1016/j.energy.2024.133673

The low cooling density of RC technology makes it challenging to meet the cooling requirements of buildings, particularly during the day with intense solar radiation. To address this challenge, a novel RC module coupled with a compound parabolic conc... Read More about Comprehensive evaluation of integrating radiative sky cooling with compound parabolic concentrator for cooling flux amplifying.

Daylighting performance improvements using of split louver with parametrically incremental slat angle control (2022)
Journal Article
Alsukkar, M., Hu, M., Eltaweel, A., & Su, Y. (2022). Daylighting performance improvements using of split louver with parametrically incremental slat angle control. Energy and Buildings, 274, Article 112444. https://doi.org/10.1016/j.enbuild.2022.112444

Different shading device systems and control strategies can be employed in different parts of a window system to perform different functions, particularly for fully glazed façades. A split louver with various improvements was proposed in this study a... Read More about Daylighting performance improvements using of split louver with parametrically incremental slat angle control.

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., Su, Y., & 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.

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., Su, Y., & 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.

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

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.

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.