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Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system (2020)
Journal Article
Rejeb, O., Shittu, S., Ghenai, C., Li, G., Zhao, X., & Bettayeb, M. (in press). Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system. Renewable energy, https://doi.org/10.1016/j.renene.2020.02.007

This work presents, for the first time, a statistical model to forecast the electrical efficiency of concentrated photovoltaic-thermoelectric system (CPV-TE). The main objective of this work is to analyze the impact of the input factors (product of s... Read More about Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system.

Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Zhou, J., Ma, X., & Golizadeh Akhlaghi, Y. (2020). Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe. Energy Conversion and Management, 207, https://doi.org/10.1016/j.enconman.2020.112515

Effective cooling of the photovoltaic can enhance electrical conversion efficiency of a photovoltaic system. The combination of photovoltaic and thermoelectric generator provides unique advantages because of their complementary characteristics. In ad... Read More about Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe.

Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Ma, X., Akhlaghi, Y. G., & Fan, Y. (2020). Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances. Energy Conversion and Management, 205, https://doi.org/10.1016/j.enconman.2019.112422

© 2019 Elsevier Ltd A consequence of the integration of photovoltaic module and thermoelectric generator is the presence of thermal contact, which affects the heat transfer in the hybrid system. Thermal and electrical contact are inevitable in a ther... Read More about Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances.

Scale effect on electrical characteristics of CPC-PV (2019)
Journal Article
Li, G., Lu, Y., Shittu, S., & Zhao, X. (2020). Scale effect on electrical characteristics of CPC-PV. Energy, 192, https://doi.org/10.1016/j.energy.2019.116726

Recently, the flux distribution and Photovoltaic (PV) structure optimization have been paid more attention in the design of concentrating Photovoltaic (CPV) by several researchers while the scale factor is sometimes decided by the processing technolo... Read More about Scale effect on electrical characteristics of CPC-PV.

Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite (2019)
Journal Article
Xiao, X., Jia, H., Wen, D., & Zhao, X. (2020). Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite. Energy, 116593. https://doi.org/10.1016/j.energy.2019.116593

HITEC salt (40 wt. % NaNO2, 7 wt. % NaNO3, 53 wt. % KNO3) with a melting temperature of about 142 °C is a typical phase change material (PCM) for solar energy storage. Both aluminum oxide (Al2O3) nanopowder and metal foam were used to enhance pure HI... Read More about Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite.

Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services (2019)
Journal Article
Ma, X., Zhao, H., Zhao, X., Li, G., & Shittu, S. (in press). Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services. Future Cities and Environment, 5(1), https://doi.org/10.5334/fce.76

© 2019 The Author(s). The refrigerants used in conventional vapor-compression air conditioning systems have detrimental effects on the global environment. Phasing-down hydrofluorocarbon (HFC) refrigerants for HVAC equipment over the next 20 years has... Read More about Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services.

Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems (2019)
Journal Article
Fan, Y., Zhao, X., Li, J., Cheng, Y., Zhou, J., Yu, M., …Myers, S. (2019). Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems. Renewable energy, https://doi.org/10.1016/j.renene.2019.11.007

In order for a solar heating system to provide heat immediately after sunrise, a fast response is needed to the heat demand of a serviced space. The majority of existing solar heating systems have a slow response time due to the large volume of water... Read More about Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems.

Assessment of the cost reduction potential of a novel loop-heat-pipe solar photovoltaic/thermal system by employing the distributed parameter model (2019)
Journal Article
Ren, X., Yu, M., Zhao, X., Li, J., Zheng, S., Chen, F., …Ji, J. (2019). Assessment of the cost reduction potential of a novel loop-heat-pipe solar photovoltaic/thermal system by employing the distributed parameter model. Energy, https://doi.org/10.1016/j.energy.2019.116338

© 2019 Elsevier Ltd A novel micro-channel loop-heat-pipe solar photovoltaic/thermal (LHP- PV/T) system is developed employing the co-axial tubular heat exchanger as the condenser and upper-end liquid header with tiny holes as the liquid feeder. The d... Read More about Assessment of the cost reduction potential of a novel loop-heat-pipe solar photovoltaic/thermal system by employing the distributed parameter model.

Preliminary experiment on a novel photovoltaic-thermoelectric system in summer (2019)
Journal Article
Li, G., Shittu, S., zhou, K., Zhao, X., & Ma, X. (2019). Preliminary experiment on a novel photovoltaic-thermoelectric system in summer. Energy, 188, https://doi.org/10.1016/j.energy.2019.116041

© 2019 Elsevier Ltd Compared with the PV electricity generation, the hybrid Photovoltaic-thermoelectric (PV-TE) can generate more electricity due to its ability to utilize a wider solar spectrum than the PV. The PV-TE employing micro-channel heat pip... Read More about Preliminary experiment on a novel photovoltaic-thermoelectric system in summer.

Statistical investigation of a dehumidification system performance using Gaussian process regression (2019)
Journal Article
Akhlaghi, Y. G., Zhao, X., Shittu, S., Badiei, A., Cattaneo, M. E., & Ma, X. (2019). Statistical investigation of a dehumidification system performance using Gaussian process regression. Energy and Buildings, 202, 109406. https://doi.org/10.1016/j.enbuild.2019.109406

Swift performance assessment of dehumidification systems, in design stage and while operation of the system is of substantial importance for commercialization and wide implementation of this technology. This paper presents a novel statistical model,... Read More about Statistical investigation of a dehumidification system performance using Gaussian process regression.

A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems (2019)
Presentation / Conference
Golizadeh Akhlaghi, Y., Badiei, A., & Zhao, X. (2019, August). A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems. Paper presented at The 18th International Conference on Sustainable Energy Technologies: Sustainable energy towards the new revolution

This paper introduces a state-of-the-art modelling technique to investigate the performance of solar assisted dehumidification and regeneration cycles. The dehumidification/regeneration system investigated in this study employs a solid adsorbent bed... Read More about A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems.

Investigation on the Solar Absorption Property of the Nanoporous Alumina Sheet for Solar Application (2019)
Journal Article
He, S., Zhang, Y., Yang, W., Wang, Z., Zhao, X., & Wang, P. (2019). Investigation on the Solar Absorption Property of the Nanoporous Alumina Sheet for Solar Application. Materials, 12(14), https://doi.org/10.3390/ma12142329

In order to improve the absorption performance of the aluminum sheet for solar application, the nanoporous alumina sheets with the pore diameters of 30 nm and 400 nm were prepared by the anodic oxidation method. The absorption properties of the nanop... Read More about Investigation on the Solar Absorption Property of the Nanoporous Alumina Sheet for Solar Application.

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

© 2019 Elsevier B.V. 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... Read More about Optimized high performance thermoelectric generator with combined segmented and asymmetrical legs under pulsed heat input power.

Feasibility of an innovative amorphous silicon photovoltaic/thermal system for medium temperature applications (2019)
Journal Article
Ren, X., Li, J., Hu, M., Pei, G., Jiao, D., Zhao, X., & Ji, J. (2019). Feasibility of an innovative amorphous silicon photovoltaic/thermal system for medium temperature applications. Applied energy, 252, https://doi.org/10.1016/j.apenergy.2019.113427

Medium temperature photovoltaic/thermal (PV/T) systems have immense potential in the applications of absorption cooling, thermoelectric generation, and organic Rankine cycle power generation, etc. Amorphous silicon (a-Si) cells are promising in such... Read More about Feasibility of an innovative amorphous silicon photovoltaic/thermal system for medium temperature applications.

A statistical model for dew point air cooler based on the multiple polynomial regression approach (2019)
Journal Article
Akhlaghi, Y. G., Ma, X., Zhao, X., Shittu, S., & Li, J. (2019). A statistical model for dew point air cooler based on the multiple polynomial regression approach. Energy, 181, 868-881. https://doi.org/10.1016/j.energy.2019.05.213

Swift assessment of evaporative cooling systems has become a necessity in practical engineering applications of this advanced technology. This paper bypasses details of the performance process and pioneers in developing a statistical model based on t... Read More about A statistical model for dew point air cooler based on the multiple polynomial regression approach.

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.

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.

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.