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。
The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested.
在改变伞衣面积和透气量的情况下,在定常风洞中对小型平面圆形伞的开伞过程进行了动态试验,研究了开伞过程中伞衣形状和伞衣所受载荷之间的动态关系。
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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