同时介质压力与上游端挠性结构的回弹力又增加了下游端阀座的密封。

While medium pressure and the upstream end of the resilient and flexible structures to increase the downstream end of the valve seat seal.

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排放阀可以将收集的液体和固体微粒排放掉，防止液体流向下游端，污染下游端的压缩空气系统。

Discharge valve can be will collect the liquid and solid particle emissions, prevent the liquid flow off the downstream, the pollution downstream compressed air system.

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结果表明，喷管下游端的壁面辐射损失高达壁面总热流的20 ~ 30%，在壁温计算时不容忽略。

Results showed that the net heat loss on the downstream side of the jet nozzle could reach 20 ~ 30% of total heat flux. Therefore it can not be neglected in calculating the wall temperature.

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