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。
It showed that because of the existence of the counter-current vessels, the cooling effect of internal tissue surrounded by U-shaped tube was more evident.
由于并行逆流血管的存在，流动对U型管所包围的组织的冷却效果明显。
It showed that because of the existence of the counter-current vessels, the cooling effect of internal tissue surrounded by U-shaped tube was more evident.
由于并行逆流血管的存在，流动对U型管所包围的组织的冷却效果明显。
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