Mixing enhancement of a 2D supersonic mixing layer induced by inflow periodic temperature excitation

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作者：
College of Aerospace and Material Engineering, National University of Defense Technology, Changsha 410073, China [1 ]
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来源：
Yuhang Xuebao | 2008年 / 2卷 / 444-448期
关键词：
Convective Mach number - Mixing effects - Mixing enhancement - Supersonic mixing layer - Temperature excitation - Temperature perturbations;
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摘要：
Large eddy simulations have been performed for a 2D supersonic mixing layer with enforcing periodic temperature perturbation in the inflow boundary layer. The calculation considers the effect on mixing of various parameters, including amplitude of the perturbation, frequency of the perturbation, convective Mach number, Reynolds number and position where perturbation enforced. The results show that Reynolds number has little influence on mixing effect while others have great influence on mixing enhancement.
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