In order to study the effect of the tabs-ridged located along the upstream edge of declining holes on the film cooling effectiveness,three types of the film cooling holes with different blockage ratio were designed to study the change of the film cooling effectiveness with the blowing ratio and blockage ratio.
为了研究前缘突脊结构对气膜冷却的影响规律,设计了3种不同堵塞比的突脊模型,研究了气膜冷却效率随吹风比、堵塞比的变化规律。
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