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Experimental investigation of the effects of corona wind on the performance of an air-cooled PV/T

机译：电晕风对空冷PV / T性能影响的实验研究

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In the present study, enhancing the heat transfer is experimentally investigated by the electro-hydrodynamics (EHD) through a single-pass air-cooled PV/T (Photovoltaic/Thermal System). The corona wind increases the heat transfer coefficient by producing a secondary flow and vortex, and consequently, increases the PV/T system efficiency. The effects of the corona wind are studied by changing the voltage values and the flow rates in the air channel. The results show that the corona wind is effective on enhancing the system performance; so that the heat transfer coefficient increases by 65% in natural flow regime by applying 11 kV voltage in the pilot setup. Totally, the thermal efficiency of the PV/T system increases up to 28.9%. Also, the effects of corona wind are studied by changing the amount of the applied high voltages and flow rates. (C) 2018 Elsevier Ltd. All rights reserved.
机译：在本研究中，通过单流体风冷PV / T（光伏/热力系统）的电液动力学（EHD）实验性地研究了增强传热的方法。电晕风通过产生二次流和涡流而增加了热传递系数，因此提高了PV / T系统的效率。通过改变空气通道中的电压值和流速来研究电晕风的影响。结果表明，电晕风能有效提高系统性能。因此，通过在先导装置中施加11 kV电压，在自然流动状态下，传热系数增加了65％。总体而言，PV / T系统的热效率提高了28.9％。同样，通过改变施加的高电压和流量来研究电晕风的影响。 （C）2018 Elsevier Ltd.保留所有权利。

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