Analyses the effect of U-tube diameter, tube quantity in each hole, and the design inlet water temperature of a heat pump unit on the heat exchange capability.

分析了U形管管径、单孔内u形管数量及热泵机组设计进水温度对换热器换热效果的影响。

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The test results show that, increasing inlet flux and decreasing width of ventilation hole within a scale are main ways to improve the heat exchange performance of standard chassis.

结果表明，在一定范围内增加机柜进气流量和减小通风孔尺寸可改善机柜通风换热性能。

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