针对菲涅尔聚光引起的砷化镓电池温度分布不均问题,本文提出水冷螺旋式微通道散热结构,冷却GaAs电池,研究微通道长度、PCB板面积和流体入口速度对电池温度、出口流体温度及太阳能电池的光热、光电及综合效率的影响,并进行结构优化,结果表明,对于本文所研究单片砷化镓电池,选择面积为127× 127 mm2的PCB板,流道长度为6圈时的螺旋式微通道冷却结构换热效果最佳,且若得到可应用于膜蒸馏苦咸水淡化系统热源的65～70℃出口流体,入口流体速度应控制在0.52～0.58 m/s内,本文为菲涅尔高倍聚光PV/T冷却系统的换热特性试验研究与应用提供了理论基础.
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