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首页> 外文期刊>AIChE Journal >Modeling Fluid phase Transition Effects on Dyanmic Behavior of ESDV
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Modeling Fluid phase Transition Effects on Dyanmic Behavior of ESDV

机译：建模相变对ESDV动态行为的影响

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The characteristics method was employed to elucidate the effects of fluid-phase tran- sition on the dynamic behavior of emergency shutdown valves following lull bore ntp- ture (FER) of long pipelines containing high-pressure hydrocarbons. The responses of both check valves and ball valves were simulated. The application of the model to the FER of the Piper-Alpha MCP-Ol gas riser reveals that condensation of the gaseous inventory results in a delay in valve activation times, as well as an increase in the amount of inventory released prior to pipeline isolation. However, the magnitude of the pressure surge brought about from having to bring the high-pressure escaping fluid to rest followinK emeTKency isolation was significantly reduced.
机译：采用特征方法来阐明在含有高压碳氢化合物的长输油管道的沉孔（FER）后，液相过渡对紧急关闭阀的动态行为的影响。模拟了止回阀和球阀的响应。该模型在Piper-Alpha MCP-01气体提升管的FER上的应用表明，气态存量的冷凝导致阀激活时间的延迟，以及在隔离管道之前释放的存量增加。但是，由于必须将高压逸出的流体停滞在随后的隔离状态而引起的压力波动的幅度已大大降低。

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