冲击气 meaning in English

ram air

Numerical investigation for local heat transfer characteristics of the inner side of turbine blade near film cooling holes , whether there is impingement or no has been carried out with an rsm turbulence model
摘要用rsm模型对有、无冲击气膜出流冷气侧气膜孔局部换热特性进行了数值研究。
When there is impingement , the effect of flow and geometrical parameters on the local heat transfer characteristics near film cooling holes is investigated , and the mechanism of local heat transfer characteristics is obtained
在有冲击射流时，着重研究了流动和几何参数对气膜孔局部换热特性的影响，分析了“冲击气膜出流”局部换热特性规律。