当喷嘴前后压力比小于或等于其临界压力比，即喷嘴后压力低于或等于临界压力时，气流流动就属于临界流动
... 临时演员：extra,walker-on 临界流动;临界浆流：critical flow 临界量(值)的缩略语：TQ threshold quantity ...
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对管流、嘴流、渗流的协调计算及蒸汽流过节流喷嘴的临界流动特性进行了研究。
Coordination calculation for the flow in pipe, nozzle and reservoir, critical flow characteristics through the throttling jet are studied.
当压力低于露点压力时，若反凝析油饱和度小于凝析油的临界流动饱和度，采用气液混合吸附模型来进行计算；
While below the dew point pressure, the gas-liquid mixed adsorption model is adopted if the retrograde condensate oil saturation higher than the critical flow saturation of condensate oil;
流量的福劳德数是流动状态的影响因素，即超临界流或亚临界流。
The Froude number of flow is the factor of flow status: supercritical flow or subcritical flow.
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