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Geometric effect on compressible rectangular cavity flows

机译:几何效应对可压缩矩形腔流的影响

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摘要

Expeiments were performed to study the geometric effects on the compressible rectangular cavity flows at Mach O.33, 0.62, and 0.82. typical characteristics of mean surface pressure distributions show a slight pressure variation near the front face, a local peak surface pressure ahead of the rear corner, and a low pressure immediately downstream of the cavity. The length-to-width ratio of a cavity has a strong effect on the recompression and downstream expansion near the rear face, and the Mac h number effect is minimized.
机译:进行了实验,研究了可压缩矩形腔流在O.33、0.62和0.82时的几何效应。平均表面压力分布的典型特征是在正面附近有轻微的压力变化,在后角之前的局部峰值表面压力以及紧接在腔体下游的低压。腔的长宽比对后表面附近的再压缩和下游膨胀有很大的影响,并且Mach数效应最小。

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