利用直列放置的发动机排气扩压器和辅助引射器，可以避免上述许多困难。
Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem.
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。
In the process of investigation, it is assumed that gas flow through the exhaust diffusers is of one dimensional quasi-steady incompressible flow.
排气扩压器的作用是将发动机排出燃气的部分动能转换成压力能，真实模拟发动机排气反压和环境压力条件。
The function of exhaust diffuser is to transform part of momentum energy of exhaust gases from engine into pressure energy to simulate actual exhaust back pressure and environment pressure.
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