Outlet subcooling degree of reverse flow section should be in conformity with the requirement of HEI Standard.

空冷器设计应注意其逆流段出口的过冷却符合HEI标准的要求；

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In this paper, the influences of these factors on the optimum vacuum are analyzed firstly, and the calculation method of condensate subcooling degree and the dissolved oxygen in condensate are given.

文中首先对上述各因素对凝汽器最佳真空的影响进行了分析，给出了凝汽器真空变化后凝结水过冷度及凝结水含氧量的计算方法。

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Also, it is found and analysed that there exists inlet pressure fluctuation of coiled capillary tubes when the degree of subcooling is changed from one to another.

从一个过冷度工况向另一个过冷度工况转变的过程中存在螺旋管毛细管入口处压力的波动，并对此现象作了简要分析。

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