Skip to main content

Research Repository

Advanced Search

All Outputs (90)

Daylighting characteristics and experimental validation of a novel concentrating photovoltaic/daylighting system (2019)
Journal Article
Xuan, Q., Li, G., Lu, Y., Zhao, B., Zhao, X., & Pei, G. (2019). Daylighting characteristics and experimental validation of a novel concentrating photovoltaic/daylighting system. Solar Energy, 186, 264-276. https://doi.org/10.1016/j.solener.2019.05.014

Daylight plays an important role on the environmental comfort level for buildings. As for the energy consumption in the building, lighting is one of the main contributors. However, traditional building integrated solar utilization systems such as fla... Read More about Daylighting characteristics and experimental validation of a novel concentrating photovoltaic/daylighting system.

Simulation and experiment on thermal performance of a micro-channel heat pipe under different evaporator temperatures and tilt angles (2019)
Journal Article
Li, G., Diallo, T. M., Akhlaghi, Y. G., Shittu, S., Zhao, X., Ma, X., & Wang, Y. (2019). Simulation and experiment on thermal performance of a micro-channel heat pipe under different evaporator temperatures and tilt angles. Energy, 179, 549-557. https://doi.org/10.1016/j.energy.2019.05.040

© 2019 Elsevier Ltd For a solar collector with a heat pipe, the tilt angle is an important factor which has a direct impact on the orientation (surface azimuth angle) and affects the amount of solar radiation reaching the surface of the collector. Th... Read More about Simulation and experiment on thermal performance of a micro-channel heat pipe under different evaporator temperatures and tilt angles.

Optimized high performance thermoelectric generator with combined segmented and asymmetrical legs under pulsed heat input power (2019)
Journal Article
Shittu, S., Li, G., Zhao, X., Ma, X., Akhlaghi, Y. G., & Ayodele, E. (2019). Optimized high performance thermoelectric generator with combined segmented and asymmetrical legs under pulsed heat input power. Journal of power sources, 428, 53-66. https://doi.org/10.1016/j.jpowsour.2019.04.099

In this study, a segmented asymmetrical thermoelectric generator (SASTEG) is numerically investigated to optimize its electrical performance and mechanical reliability under transient and steady state conditions. The thermal and electrical performanc... Read More about Optimized high performance thermoelectric generator with combined segmented and asymmetrical legs under pulsed heat input power.

Comparative study of a concentrated photovoltaic-thermoelectric system with and without flat plate heat pipe (2019)
Journal Article
Shittu, S., Li, G., Zhao, X., Golizadeh Akhlaghi, Y., Ma, X., & Yu, M. (2019). Comparative study of a concentrated photovoltaic-thermoelectric system with and without flat plate heat pipe. Energy Conversion and Management, 193, 1-14. https://doi.org/10.1016/j.enconman.2019.04.055

Thermal management of photovoltaic cells is an essential research objective for increasing the conversion efficiency of the photovoltaic. Flat plate heat pipe is a passive cooling device capable of effectively reducing the solar cell temperature. The... Read More about Comparative study of a concentrated photovoltaic-thermoelectric system with and without flat plate heat pipe.

Advancements in thermoelectric generators for enhanced hybrid photovoltaic system performance (2019)
Journal Article
Shittu, S., Li, G., Akhlaghi, Y. G., Ma, X., Zhao, X., & Ayodele, E. (2019). Advancements in thermoelectric generators for enhanced hybrid photovoltaic system performance. Renewable & sustainable energy reviews, 109, 24-54. https://doi.org/10.1016/j.rser.2019.04.023

Effective thermal management of photovoltaic cells is essential for improving its conversion efficiency and increasing its life span. Solar cell temperature and efficiency have an inverse relationship therefore, cooling of solar cells is a critical r... Read More about Advancements in thermoelectric generators for enhanced hybrid photovoltaic system performance.

The design, construction and experimental characterization of a novel concentrating photovoltaic/daylighting window for green building roof (2019)
Journal Article
Xuan, Q., Li, G., Lu, Y., Zhao, B., Zhao, X., & Pei, G. (2019). The design, construction and experimental characterization of a novel concentrating photovoltaic/daylighting window for green building roof. Energy, 175, 1138-1152. https://doi.org/10.1016/j.energy.2019.03.135

A novel concentrating photovoltaic/daylighting window to achieve the multi-function of the electricity generation and daylighting for buildings has been designed, constructed and experimentally characterized. It’s found that the concentrating photovo... Read More about The design, construction and experimental characterization of a novel concentrating photovoltaic/daylighting window for green building roof.

High performance and thermal stress analysis of a segmented annular thermoelectric generator (2019)
Journal Article
Shittu, S., Li, G., Zhao, X., Ma, X., Akhlaghi, Y. G., & Ayodele, E. (2019). High performance and thermal stress analysis of a segmented annular thermoelectric generator. Energy Conversion and Management, 184, 180-193. https://doi.org/10.1016/j.enconman.2019.01.064

Annular thermoelectric generators can eliminate the thermal contact resistance formed due to geometry mismatch when flat-plate thermoelectric generators are used with round shaped heat source or heat sink. Therefore, in this study, the numerical simu... Read More about High performance and thermal stress analysis of a segmented annular thermoelectric generator.

Comparative analysis of thermoelectric elements optimum geometry between photovoltaic-thermoelectric and solar thermoelectric (2019)
Journal Article
Li, G., Shittu, S., Ma, X., & Zhao, X. (2019). Comparative analysis of thermoelectric elements optimum geometry between photovoltaic-thermoelectric and solar thermoelectric. Energy, 171, 599-610. https://doi.org/10.1016/j.energy.2019.01.057

The optimization of the thermoelectric (TE) device geometry is one of the significant ways to improve its efficiency and power output. However, the complex relationship between the Photovoltaic and the thermoelectric device necessitates the need for... Read More about Comparative analysis of thermoelectric elements optimum geometry between photovoltaic-thermoelectric and solar thermoelectric.

Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system (2019)
Journal Article
Fan, Y., Zhao, X., Li, G., Cheng, Y., Zhou, J., Yu, M., …Ma, X. (2019). Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system. Energy, 171, 566-580. https://doi.org/10.1016/j.energy.2019.01.049

This paper presents a combined analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array applicable to a solar-powered rural house space heating system. This array, compared to the traditional one-to-on... Read More about Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system.

Experimental and analytic study of a hybrid solar/biomass rural heating system (2019)
Journal Article
Zhang, X., Yang, J., Fan, Y., Zhao, X., Yan, R., Zhao, J., & Myers, S. (2019). Experimental and analytic study of a hybrid solar/biomass rural heating system. Energy, 116392. https://doi.org/10.1016/j.energy.2019.116392

© 2019 Elsevier Ltd This paper presents a dedicated analytic and experimental study of a hybrid solar/biomass space heating system incorporating a micro-channel solar thermal panels-array, a biomass boiler and a dedicated control algorithm. This syst... Read More about Experimental and analytic study of a hybrid solar/biomass rural heating system.

Frosting performance of a nanoporous hydrophilic aluminum surface (2018)
Journal Article
Yang, W., Zeng, B., Zhang, Y., He, S., & Zhao, X. (2018). Frosting performance of a nanoporous hydrophilic aluminum surface. Energies, 11(12), Article 3483. https://doi.org/10.3390/en11123483

© 2018 by the authors. As an efficient energy-saving piece of equipment, an air-source heat pump can not only reduce the energy consumption required for heating, but can also reduce the pollution from fossil consumption. However, when an air-source h... Read More about Frosting performance of a nanoporous hydrophilic aluminum surface.

Thermo-mechanical behavior assessment of smart wire connected and busbarPV modules during production, transportation, and subsequent field loading stages (2018)
Journal Article
Li, G., Akram, M., Jin, Y., Chen, X., Zhu, C., Ahmad, A., …Zhao, X. (2019). Thermo-mechanical behavior assessment of smart wire connected and busbarPV modules during production, transportation, and subsequent field loading stages. Energy, 168, 931-945. https://doi.org/10.1016/j.energy.2018.12.002

Thermo-mechanical loads induce stresses in photovoltaic (PV) modules, leading to crack formation. In this context, the understanding of module’s thermo-mechanical behavior is important. To investigate the thermo-mechanical behavior of smart wire conn... Read More about Thermo-mechanical behavior assessment of smart wire connected and busbarPV modules during production, transportation, and subsequent field loading stages.

Energy performance analysis of a novel solar PVT loop heat pipe employing a microchannel heat pipe evaporator and a PCM triple heat exchanger (2018)
Journal Article
Diallo, T. M., Yu, M., Zhou, J., Zhao, X., Shittu, S., Li, G., …Hardy, D. (2019). Energy performance analysis of a novel solar PVT loop heat pipe employing a microchannel heat pipe evaporator and a PCM triple heat exchanger. Energy, 167, 866-888. https://doi.org/10.1016/j.energy.2018.10.192

This study presents a numerical analysis of the energy efficiency for a novel solar PVT Loop Heat Pipe (PVT-LHP) employing a novel Micro-channel evaporator and a novel PCM heat storage exchanger. It presents a description of the different sub-models... Read More about Energy performance analysis of a novel solar PVT loop heat pipe employing a microchannel heat pipe evaporator and a PCM triple heat exchanger.

Study on dehumidification performance of a multi-stage internal cooling solid desiccant adsorption packed bed (2018)
Journal Article
Yang, W., Ren, J., Lin, Z., Wang, Z., & Zhao, X. (2018). Study on dehumidification performance of a multi-stage internal cooling solid desiccant adsorption packed bed. Energies, 11(11), 3038. https://doi.org/10.3390/en11113038

In this paper, the solid desiccant adsorption packed bed with a three-stage internal cooling (ICSPB) has been proposed to improve the dehumidification efficiency and make a comparison with that of non-internal cooling. To investigate the performance... Read More about Study on dehumidification performance of a multi-stage internal cooling solid desiccant adsorption packed bed.

A study on thermal characteristic and sleeping comfort of a hybrid solar heating system applied in cold rural areas (2018)
Journal Article
Zhao, D., Ji, J., Yu, H., & Zhao, X. (2019). A study on thermal characteristic and sleeping comfort of a hybrid solar heating system applied in cold rural areas. Energy and Buildings, 182, 242-250. https://doi.org/10.1016/j.enbuild.2018.10.027

A hybrid solar heating system combining a solar kang subsystem and a solar air heating subsystem for keeping indoor space within thermal comfort level has been investigated in this article for the climatic conditions of Qinghai Province (35°N 96°E)-... Read More about A study on thermal characteristic and sleeping comfort of a hybrid solar heating system applied in cold rural areas.

Thermal performance enhancement of a cross-flow-type maisotsenko heat and mass exchanger using various nanofluids (2018)
Journal Article
Tariq, R., Zhan, C., Sheikh, N. A., & Zhao, X. (2018). Thermal performance enhancement of a cross-flow-type maisotsenko heat and mass exchanger using various nanofluids. Energies, 11(10), 2656. https://doi.org/10.3390/en11102656

© 2018 by the authors. The incorporation of a Maisotsenko (M) Cycle into an indirect evaporative cooler has led to the achievement of sub-wet bulb temperature without any humidification, thus making it a possible green and sustainable alternative for... Read More about Thermal performance enhancement of a cross-flow-type maisotsenko heat and mass exchanger using various nanofluids.

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.

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.