In the process of investigation, it is assumed that gas flow through the exhaust diffusers is of one dimensional quasi-steady incompressible flow.

在研究过程中，假定排气扩压器的气流为一元准稳定不可压缩气流，试验装置采用压缩气源供气。

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The characteristic method was used in simulating computation of non steady gas flow process in the exhaust system of model 15a petrol engine.

针对15 A型二冲程汽油机排气系统的流动过程进行了模拟计算，对计算中某些边界条件的计算方法进行了探讨。

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A model of the no steady process of gas jet interaction with liquid is developed and solved by the commercial software FLUENT. The change law of parameter in the flow field has been obtained.

建立含能气体射流与液体工质相互作用非稳态过程的理论模型，应用fluent应用软件对非稳态气体射流与液体工质相互作用的过程进行了模拟，获得了射流流场中各参数的变化规律。

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When most executives think about leadership succession, they envision a methodical, pain-staking process, a steady flow of meetings, memos, drafts, and eventually hard documents spelling out the essential elements of executive transition.

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