JET IMPINGEMENT COOLING CHARACTERISTICS OF SOLAR INTENSIVE PHOTOVOLTAIC MODULES UNDER HIGH ENERGY FLUX DENSITY

Tian Yong; Yan Jian; Peng Youduo; Liu Yongxiang; Nie Duzhong; Xie Xinyi

doi:10.19912/j.0254-0096.tynxb.2020-0990

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (5) : 119-126. DOI: 10.19912/j.0254-0096.tynxb.2020-0990

JET IMPINGEMENT COOLING CHARACTERISTICS OF SOLAR INTENSIVE PHOTOVOLTAIC MODULES UNDER HIGH ENERGY FLUX DENSITY

Tian Yong, Yan Jian, Peng Youduo, Liu Yongxiang, Nie Duzhong, Xie Xinyi

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Abstract

To investigate the cooling and temperature control of dense array photovoltaic modules under high energy flux density, adopt a modular array jet impingement device to realize the battery temperature control. The numerical simulation of jet impingement heat transfer of dense photovoltaic module array is base on Fluent software. The influence of critical parameters such as different jet aperture, impact spacing-aperture ratio, and jet hole length-diameter ratio on the battery’s cooling was studied. Mass flow and energy flow density on the cooling effect and the obtained electric energy were comprehensively analyzed. The results show that the impact spacing-aperture ratio has an optimal value for the battery’s heat transfer effect, and the heat transfer effect is the best when h3/d=4.5 in this range, but the heat transfer uniformity decreases with the increase of pore size. With the increase of jet hole height, the heat transfer effect and the battery surface’s temperature uniformity decrease. With the increase of the focused energy on the battery surface, the power generation will increase proportion, while the battery temperature will only increase slightly. With the moderate increase of mass flow rate, the battery temperature decreases significantly, and the generated voltage drop power consumption is unchanged. This work can provide a basis for efficient uniform temperature control design of high-power concentrating dense array photovoltaic modules.

Key words

photovoltaic modules / energy flux density / HCPV/T / impingement cooling / heat transfer characteristics

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Tian Yong, Yan Jian, Peng Youduo, Liu Yongxiang, Nie Duzhong, Xie Xinyi. JET IMPINGEMENT COOLING CHARACTERISTICS OF SOLAR INTENSIVE PHOTOVOLTAIC MODULES UNDER HIGH ENERGY FLUX DENSITY[J]. Acta Energiae Solaris Sinica. 2022, 43(5): 119-126 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0990

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