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Performance investigation of linear Fresnel concentrating photovoltaic systems with mini-channel heat sink using R141b/R245fa mixture enhanced by electric field

Author

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  • Wang, Yacheng
  • Xia, Guodong
  • Zhou, Wenbin
  • An, Ce

Abstract

Reinforcement of heat transfer efficiency by electrohydrodynamics is a low-energy, high-efficiency technology. In this paper, we utilize the property of electrohydrodynamics to enhance heat transfer within a linear Fresnel concentrator photovoltaic (PV) system, with the anticipation of boosting the overall performance of the PV system in the process. The cooling fluid used in this work is R141b/R245fa mixture. In this paper, the output voltage, output current and inlet and outlet temperatures of the cooling fluid are tested in an outdoor environment. This paper analyzes the output power, system energy and environmental impact of a linear Fresnel PV system. The results show that the output power of the linear Fresnel PV system under the action of electric field (Applied voltage = 200 V) can reach a maximum of 11.45W and the surface average temperature of the solar cell can be maintained between 31 °C and 34 °C. When the applied voltage is 0 V, the average surface temperature of the solar cell fluctuates between 30 °C and 50 °C. Through the aforementioned study, it has been observed that the incorporation of the electric field effect can facilitate stable and efficient operation of the linear Fresnel photovoltaic system.

Suggested Citation

  • Wang, Yacheng & Xia, Guodong & Zhou, Wenbin & An, Ce, 2025. "Performance investigation of linear Fresnel concentrating photovoltaic systems with mini-channel heat sink using R141b/R245fa mixture enhanced by electric field," Renewable Energy, Elsevier, vol. 238(C).
    • Handle: RePEc:eee:renene:v:238:y:2025:i:c:s0960148124020202
    DOI: 10.1016/j.renene.2024.121952
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