Professor Xudong Zhao's Outputs (121)

Thermoelectric Element Geometry Optimization for Maximum Hybrid Photovoltaic-Thermoelectric System Efficiency (2018)
Presentation / Conference Contribution
Shittu, S., Li, G., Zhao, X., & Ma, X. (2018, August). Thermoelectric Element Geometry Optimization for Maximum Hybrid Photovoltaic-Thermoelectric System Efficiency. Paper presented at 17th International Conference on Sustainable Energy Technologies (SET 2018), Wuhan, China

The geometry of thermoelectric elements in a hybrid Photovoltaic-Thermoelectric (PV-TE) power generation system can influence the conversion efficiency of the hybrid system. Therefore, this study investigates the optimum geometry for maximum conversi... Read More about Thermoelectric Element Geometry Optimization for Maximum Hybrid Photovoltaic-Thermoelectric System Efficiency.

Series of detail comparison and optimization of thermoelectric element geometry considering the PV effect (2018)
Journal Article
Shittu, S., Li, G., Zhao, X., & Ma, X. (2019). Series of detail comparison and optimization of thermoelectric element geometry considering the PV effect. Renewable energy, 130, 930-942. https://doi.org/10.1016/j.renene.2018.07.002

This study investigates the optimum geometry for maximum efficiency of a hybrid PV-TE uni-couple using Finite Element Method. COMSOL Multiphysics is used to solve the 3-Dimensional heat transfer equations considering thermoelectric materials with tem... Read More about Series of detail comparison and optimization of thermoelectric element geometry considering the PV effect.

Performance analysis and discussion on the thermoelectric element footprint for PV–TE maximum power generation (2018)
Journal Article
Li, G., Zhao, X., Jin, Y., Chen, X., Ji, J., & Shittu, S. (2018). Performance analysis and discussion on the thermoelectric element footprint for PV–TE maximum power generation. Journal of electronic materials, 47(9), 5344-5351. https://doi.org/10.1007/s11664-018-6421-4

Geometrical optimisation is a valuable way to improve the efficiency of a thermoelectric element (TE). In a hybrid photovoltaic-thermoelectric (PV-TE) system, the photovoltaic (PV) and thermoelectric (TE) components have a relatively complex relation... Read More about Performance analysis and discussion on the thermoelectric element footprint for PV–TE maximum power generation.

A review of solar photovoltaic-thermoelectric hybrid system for electricity generation (2018)
Journal Article
Li, G., Shittu, S., Diallo, T. M., Yu, M., Zhao, X., & Ji, J. (2018). A review of solar photovoltaic-thermoelectric hybrid system for electricity generation. Energy, 158, 41-58. https://doi.org/10.1016/j.energy.2018.06.021

Solar energy application in a wider spectrum has the potential for high efficiency energy conversion. However, solar cells can only absorb photon energy of the solar spectrum near the solar cell band-gap energy, and the remaining energy will be conve... Read More about A review of solar photovoltaic-thermoelectric hybrid system for electricity generation.

Cases of energy system in a green building in UK (2018)
Book Chapter
Zhao, X., Ma, X., Xu, P., Thierno, D., Zhu, Z., & Zhou, J. (2018). Cases of energy system in a green building in UK. In R. Wang, & X. Zhai (Eds.), Handbook of Energy Systems in Green Buildings (1741-1794). Springer. https://doi.org/10.1007/978-3-662-49120-1_15

© Springer Nature Singapore Pte Ltd. 2018. This chapter gives an overview of the current development of the indirect evaporative cooling technologies, PV and PV/T solar energy systems, natural ventilation systems, heat recovery systems, and low-energ... Read More about Cases of energy system in a green building in UK.

Numerical study of a regenerative counter flow evaporative cooler using alumina nanoparticles in wet channel (2018)
Journal Article
Sheikh, N. A., Tariq, R., Zhan, C., Zhao, X., & Sheikh, N. A. (2018). Numerical study of a regenerative counter flow evaporative cooler using alumina nanoparticles in wet channel. Energy and Buildings, 169, 430-443. https://doi.org/10.1016/j.enbuild.2018.03.086

The use of Maisotsenko Cycle (M-Cycle) has enhanced the domain of evaporative cooling technologies to sub-wet bulb temperature cooling while ensuring moisture control. Several studies have demonstrated the use of cross-flow heat & mass exchanger (HMX... Read More about Numerical study of a regenerative counter flow evaporative cooler using alumina nanoparticles in wet channel.

Inconsistent phenomenon of thermoelectric load resistance for photovoltaic–thermoelectric module (2018)
Journal Article
Li, G., Zhou, K., Song, Z., Zhao, X., & Ji, J. (2018). Inconsistent phenomenon of thermoelectric load resistance for photovoltaic–thermoelectric module. Energy Conversion and Management, 161, 155-161. https://doi.org/10.1016/j.enconman.2018.01.079

Combing PV with Thermoelectric (TE) would be dominant because it can employ the solar fully spectrum to produce electricity. But the TE efficiency is significantly lower than PV efficiency and the coupling effect between them will limit the performan... Read More about Inconsistent phenomenon of thermoelectric load resistance for photovoltaic–thermoelectric module.

Analytical investigation of the heat-transfer limits of a novel solar loop-heat pipe employing a mini-channel evaporator (2018)
Journal Article
Diallo, T. M., Yu, M., Zhou, J., Zhao, X., Ji, J., & Hardy, D. (2018). Analytical investigation of the heat-transfer limits of a novel solar loop-heat pipe employing a mini-channel evaporator. Energies, 11(1), Article 148. https://doi.org/10.3390/en11010148

© 2018 by the authors. This paper presents an analytical investigation of heat-transfer limits of a novel solar loop-heat pipe developed for space heating and domestic hot water use. In the loop-heat pipe, the condensate liquid returns to the evapora... Read More about Analytical investigation of the heat-transfer limits of a novel solar loop-heat pipe employing a mini-channel evaporator.

The energy and exergy analysis of counter-flow regenerative evaporative cooler (2018)
Journal Article
Wang, L., Zhan, C., Zhang, J., & Zhao, X. (2018). The energy and exergy analysis of counter-flow regenerative evaporative cooler. Thermal science Society of Heat Transfer Engineers of Serbia and Montenegro, 2018, https://doi.org/10.2298/TSCI180602304W

© 2018 Serbian Society of Heat Transfer Engineers. Recently the regenerative evaporative cooler (REC) has drawn great attention from researchers because it can cool the intake air below the wet-bulb temperature and approaching its dew point temperatu... Read More about The energy and exergy analysis of counter-flow regenerative evaporative cooler.

The energy and exergy analysis on the performance of counter-flow heat and mass exchanger for M-Cycle indirect evaporative cooling (2018)
Journal Article
Wang, L., Zhan, C., Zhang, J., & Zhao, X. (2018). The energy and exergy analysis on the performance of counter-flow heat and mass exchanger for M-Cycle indirect evaporative cooling. Thermal science Society of Heat Transfer Engineers of Serbia and Montenegro, 2018, https://doi.org/10.2298/TSCI171221153W

© 2018 Serbian Society of Heat Transfer Engineers. The dew point Indirect Evaporative Cooling (IEC) achieved through Maisotsenko cycle (M-Cycle) is a complicated thermodynamic process. For further understanding of the heat and mass transfer occurred... Read More about The energy and exergy analysis on the performance of counter-flow heat and mass exchanger for M-Cycle indirect evaporative cooling.

Performance study of a novel solar solid dehumidification/regeneration bed for use in buildings air conditioning systems (2017)
Journal Article
Yang, W., Wang, W., Ding, Z., Wang, Z., Zhao, X., & He, S. (2017). Performance study of a novel solar solid dehumidification/regeneration bed for use in buildings air conditioning systems. Energies, 10(9), 1335. https://doi.org/10.3390/en10091335

In this paper, a novel solar solid dehumidification/regeneration bed has been proposed, and its three regeneration methods, i.e., simulated solar radiation regeneration, microwave regeneration, and combined regeneration of the microwave and simulated... Read More about Performance study of a novel solar solid dehumidification/regeneration bed for use in buildings air conditioning systems.

Energy saving potential of a counter-flow regenerative evaporative cooler for various climates of China: Experiment-based evaluation (2017)
Journal Article
Duan, Z., Zhao, X., Zhan, C., Dong, X., & Chen, H. (2017). Energy saving potential of a counter-flow regenerative evaporative cooler for various climates of China: Experiment-based evaluation. Energy and Buildings, 148, 199-210. https://doi.org/10.1016/j.enbuild.2017.04.012

© 2017 Recently there has been growing interest in regenerative evaporative coolers (REC), which can reduce the temperature of the supply air to below the wet-bulb of intake air and approach its dew-point. In this paper, we designed, fabricated and e... Read More about Energy saving potential of a counter-flow regenerative evaporative cooler for various climates of China: Experiment-based evaluation.

Design, fabrication and performance evaluation of a compact regenerative evaporative cooler: towards low energy cooling for buildings (2017)
Journal Article
Duan, Z., Zhao, X., & Li, J. (2017). Design, fabrication and performance evaluation of a compact regenerative evaporative cooler: towards low energy cooling for buildings. Energy, 140(1), 506-519. https://doi.org/10.1016/j.energy.2017.08.110

© 2017 Elsevier Ltd The urges of reducing energy use and carbon footprint in buildings have prompted the developments of regenerative evaporative coolers (RECs). However, the physical dimensions of RECs have to be designed enormous in order to delive... Read More about Design, fabrication and performance evaluation of a compact regenerative evaporative cooler: towards low energy cooling for buildings.

Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system (2017)
Journal Article
Diallo, T., Zhao, X., Dugué, A., Bonnamy, P., Miguel, F., Martinez, A., Theodosiou, T., Liu, J.-S., & Brown, N. (2017). Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system. Applied energy, 205, 130-152. https://doi.org/10.1016/j.apenergy.2017.07.042

The building sector is responsible for more than 40% of the EU’s total energy consumption. To reduce the energy consumption in buildings and to achieve the EU’s fossil fuel saving targets for 2020 and beyond 2050, the energy efficient retrofitting st... Read More about Numerical investigation of the energy performance of an Opaque Ventilated Façade system employing a smart modular heat recovery unit and a latent heat thermal energy system.

Investigation of a super performance dew point air cooler and its application in buildings (2017)
Thesis
Xu, P. Investigation of a super performance dew point air cooler and its application in buildings. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4220569

Based on extensive literature reviews, technical opportunities were identified to improve the energy efficiency of a dew point air cooler. This applied research aimed to develop a super-performance dew point air cooler to replace or partly replace th... Read More about Investigation of a super performance dew point air cooler and its application in buildings.

Experimental investigation of a super performance dew point air cooler (2017)
Journal Article
Xu, P., Ma, X., Zhao, X., & Fancey, K. (2017). Experimental investigation of a super performance dew point air cooler. Applied energy, 203, 761-777. https://doi.org/10.1016/j.apenergy.2017.06.095

This paper presents an experimental investigation of a super performance dew point air cooler which, by employing a super performance wet material layer, innovative heat and mass exchanger and intermittent water supply scheme, has achieved a signific... Read More about Experimental investigation of a super performance dew point air cooler.

Investigation of the energy performance of a novel modular solar building envelope (2017)
Journal Article
Ren, G., Zhao, X., Zhan, C., Jin, H., & Zhou, A. (2017). Investigation of the energy performance of a novel modular solar building envelope. Energies, 10(12), 880. https://doi.org/10.3390/en10070880

The major challenges for the integration of solar collecting devices into a building envelope are related to the poor aesthetic view of the appearance of buildings in addition to the low efficiency in collection, transportation, and utilization of th... Read More about Investigation of the energy performance of a novel modular solar building envelope.

Clear-days operational performance of a hybrid experimental space heating system employing the novel mini-channel solar thermal & PV/T panels and a heat pump (2017)
Journal Article
Zhou, J., Zhao, X., Ma, X., Du, Z., Fan, Y., Cheng, Y., & Zhang, X. (2017). Clear-days operational performance of a hybrid experimental space heating system employing the novel mini-channel solar thermal & PV/T panels and a heat pump. Solar Energy, 155, 464-477. https://doi.org/10.1016/j.solener.2017.06.056

The paper investigated a hybrid experimental space heating system that comprises the novel mini-channel solar thermal and PV/T panels, as well as a heat pump. The major advantage of the system lies in the multiple functions of providing energy for sp... Read More about Clear-days operational performance of a hybrid experimental space heating system employing the novel mini-channel solar thermal & PV/T panels and a heat pump.

Development of a novel designs and assessment and selection system for green office buildings in China (2017)
Thesis
Zhu, Z. Development of a novel designs and assessment and selection system for green office buildings in China. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4223326

China is facing severe problems in fossil fuel consumption and pollutant emission largely owing to the construction of buildings. Office buildings, as a major building type in China, contribute around 22% of the national fossil fuel energy use and 14... Read More about Development of a novel designs and assessment and selection system for green office buildings in China.

Micro-encapsulated phase change material (MPCM) slurries: characterization and building applications (2017)
Journal Article
Qiu, Z., Ma, X., Li, P., Zhao, X., & Wright, A. (2017). Micro-encapsulated phase change material (MPCM) slurries: characterization and building applications. Renewable & sustainable energy reviews, 77, 246-262. https://doi.org/10.1016/j.rser.2017.04.001

© 2017 Micro-encapsulated Phase Change Material (MPCM) slurries, acting as the heat transfer fluids or thermal storage mediums, have gained applications in various building thermal energy systems, significantly enhancing their energy efficiency and o... Read More about Micro-encapsulated phase change material (MPCM) slurries: characterization and building applications.