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["泠却系统",["Кондиционная система",["因为压缩后的富气呈气相,而气相介质的传热系数极差,如果空冷排在水冷后面,一是气相通过冷却器时,传热面积小,没有空冷效果好。二是再经空冷后的最终温度冷却不下来,影响冷却效果,相反空冷排在水冷前,由于空冷冷的传热面积大,冷后的油气再经水冷时,膜传热系数比气相时大,而且冷后温度较低,能满足生产要求。",["Обычно кондиционируют сначерала, а затем охлаждают водой,如果你想先水冷的话气相已经冷凝成液相了从底部出来的液相再去空冷的话作用就不大了"

2018-11-20View Original

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空冷+水冷,和水冷+空冷,这先后顺序上有啥区别
Reply #22018-11-20
因为压缩后的富气呈气相,而气相介质的传热系数极差,如果空冷排在水冷后面,一是气相通过冷却器时,传热面积小,没有空冷效果好。二是再经空冷后的最终温度冷却不下来,影响冷却效果,相反空冷排在水冷前,由于空冷的传热面积大,冷后的油气再经水冷时,膜传热系数比气相时大,而且冷后温度较低,能满足生产要求。
Reply #32018-11-23
一般都是空冷之后再水冷的,你想下如果先水冷的话气相已经冷凝成液相了,从底部出来的液相再去空冷的话作用就不大了

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