基于聚光光伏电池系统热管式换热器的数值研究  

Numerical study of heat pipe heat exchanger based on concentrating solar photovoltaic cell system

作　　者：陈海飞 邵永辉 杨慧涵 王韵杰 黄华龙 杨洁 Chen Haifei;Shao Yonghui;Yang Huihan;Wang Yunjie;Huang Hualong;Yang Jie(School of Energy,School of Petroleum Engineering,Changzhou University,Changzhou 213016,China)

机构地区：[1]常州大学石油工程学院,能源学院,江苏常州213016

出　　处：《可再生能源》2024年第2期167-173,共7页Renewable Energy Resources

基　　金：国家自然科学基金(51906020);江苏省研究生科研与实践创新计划项目(KYCX21_2813)。

摘　　要：针对在高倍聚光下光伏电池效率受表面温度的影响,文章对聚光光伏电池系统中耦合翅片热管散热器进行了数值模拟研究。在水冷、风冷情况下,研究了热管散热器的翅片数量、分布、流体流量对电池效率、温度表面均匀性的影响,并将研究结果与普通散热器进行比较。结果表明:水冷型热管散热器的电池表面温差较低,均匀性和电池效率较高;在流量为0.64 m/s,翅片间距为1.5 mm,翅片厚度为0.4 mm的工况下,电池的综合性能最优,表面温度为314 K,温差小于1 K,均匀性良好,电效率为31.25%,热效率为66.03%。This paper investigates the effect of surface temperature on the eficiency of photovoltaic cells under high concentrating power,and investigates the coupled fin heat pipe heat sink in concentrating photovoltaic cell systems.Study the effect of the number of fins,distribution and fluid flow on the cll efficiency and surface uniformity of the heat pipe radiator under water cooling and air cooling,and compare it with ordinary radiators.The results show that the minimum temperature of the battery surface with the heat pipe radiator occupies less area,the uniformity is significantly improved,and the battery efficiency is improved;under the working condition of 0.64 m/s flow rate,the fin spacing is 1.5 mm,and the fin thickness is 0.4 mm,the overall performance of the battery is the best,the surface temperature is 314 K,the temperature difference is less than1K,the uniformity is best,then theelectricalefficiency is31.25%,and the thermal efficiency is 66.03%.

关 键 词：聚光光伏电池 高倍聚光 热管散热器 表面温度 效率 

分 类 号：TK519[动力工程及工程热物理—热能工程]