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Experimental study on direct-contact liquid film cooling simulated dense-array solar cells in high concentrating photovoltaic system

机译:高浓度光伏系统中直接接触液膜冷却模拟致密阵列太阳能电池的实验研究

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This paper presented a new method of cooling dense-array solar cells in high concentrating photovoltaic system by direct-contact liquid film, and water was used as working fluid. An electric heating plate was designed to simulate the dense-array solar cells in high concentrating photovoltaic system. The input power of electric heating plate simulated the concentration ratios. By heat transfer experiments, the effect of water temperatures and flow rates on heat transfer performance was investigated. The results indicated that: the average temperature of simulated solar cells was controlled well below 80 degrees C under water temperature of 30 degrees C and flow rate of 3001411 when concentration ratio ranged between 300X and 600X. The maximum temperature difference among temperature measurement points was less than 10 degrees C, which showed the temperature distribution was well uniform. The heat transfer coefficient reached up to 11.91 kW/(m(2).K) under concentration ratio of 589X. To improve heat transfer performance and obtain low average temperature of dense-array solar cells, lower water temperature and suitable water flow rate are preferred. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文提出了一种通过直接接触液膜冷却高浓度光伏系统中的密集阵列太阳能电池的新方法,并以水为工作液。设计了电加热板以模拟高浓度光伏系统中的密集阵列太阳能电池。电热板的输入功率模拟了浓度比。通过传热实验,研究了水温和流速对传热性能的影响。结果表明:当浓度比在300X到600X之间时,在30℃的水温和3001411的流量下,模拟太阳能电池的平均温度被控制在80℃以下。温度测量点之间的最大温差小于10摄氏度,这表明温度分布非常均匀。在589X的浓度比下,传热系数达到11.91 kW /(m(2).K)。为了提高传热性能并获得致密阵列太阳能电池的低平均温度,优选较低的水温和合适的水流量。 (C)2016 Elsevier Ltd.保留所有权利。

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