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Solar energy has become an economical alternative to conventional energy sources as the globe works towards a more sustainable future and it has been widely adopted. This study uses air impingement to improve an air-cooled PVT collector system efficiency. An indoor test utilizes a solar simulator to evaluate its exergy and energy efficiency. The experiments were carried under varying solar radiation and air mass flow. In terms of energy performance, the solar radiation of 490 W/m2 achieved the highest photovoltaic efficiency of 12.54%, while with less than 950 W/m2 the highest thermal efficiency of 60.42% was achieved, both with a mass flow rate (0.025 kg/s). It delivers the maximum photovoltaic exergy of 40 W below 950 W/m2. Overall, more solar radiation is highly desirable for energy performance. Considering the observations, the ideal mass flow rate was 0.025 kg/s.

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Experimental Investigation of the Photovoltaic Thermal Cells Performance Using Cooling System Air Jet

  • 会议论文

  • 发表日期：

    2025年

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  • Mays N. Shaeli,
  • Jalal M. Jalil,
  • Sirine Chtourou,
  • Mounir Baccar

摘要

Solar energy has become an economical alternative to conventional energy sources as the globe works towards a more sustainable future and it has been widely adopted. This study uses air impingement to improve an air-cooled PVT collector system efficiency. An indoor test utilizes a solar simulator to evaluate its exergy and energy efficiency. The experiments were carried under varying solar radiation and air mass flow. In terms of energy performance, the solar radiation of 490 W/m2 achieved the highest photovoltaic efficiency of 12.54%, while with less than 950 W/m2 the highest thermal efficiency of 60.42% was achieved, both with a mass flow rate (0.025 kg/s). It delivers the maximum photovoltaic exergy of 40 W below 950 W/m2. Overall, more solar radiation is highly desirable for energy performance. Considering the observations, the ideal mass flow rate was 0.025 kg/s.