Effect of micro-ramps on supersonic boundary layer past a double wedge

Zhang Qinghu; Xu Xiaobin; Wang Xiong; Lin Jingzhou; Tong Hua

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Effect of micro-ramps on supersonic boundary layer past a double wedge

机译：微坡道对双楔形超音速边界层的影响

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摘要

The effect of micro-ramps on Mach 3 boundary layer structures past a double wedge was experimentally investigated in a supersonic low-noise wind tunnel using nano-tracer planar laser scattering (NPLS) technique. The fine structures of supersonic flow over the double wedge with and without the micro-ramps, as well as temporal and spatial evolutionary characteristics of the vortex structures with the micro-ramps, were revealed.

机译：在超音速低噪声风洞中，使用纳米示踪平面激光散射（NPLS）技术，通过实验研究了微斜坡对超过3个楔形物的Mach 3边界层结构的影响。揭示了在有和没有微斜坡的情况下，双楔形上超音速流动的精细结构，以及具有微斜坡的涡旋结构的时空演化特征。

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来源
《Journal of visualization》 |2018年第1期|1-4|共4页
作者
Zhang Qinghu; Xu Xiaobin; Wang Xiong; Lin Jingzhou; Tong Hua;
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作者单位

Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang, China;

Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang, China;

Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang, China;

Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang, China;

Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang, China;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Flow visualization; Microramp; Vortex structure; Double wedge;

机译：流程可视化;微型斜坡涡旋结构;双楔;

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专利

1. The three-dimensional flow organization past a micro-ramp in a supersonic boundary layer [J] . Sun Z., Schrijer F.F.J., Scarano F., Physics of fluids . 2012,第5期

机译：超音速边界层中经过微斜坡的三维流动组织
2. Mach reflection in steady supersonic flow considering wedge boundary-layer correction [J] . Zijun CHEN, Chenyuan BAI, Ziniu WU 中国航空学报（英文版） . 2020,第002期

机译：考虑楔形边界层校正的稳定超声速马赫反射
3. Supersonic Flow Past a Wedge on a Flat Plate. Laminar Boundary Layer Separation and Reattachment [J] . A. D. Savelev Fluid Dynamics . 2007,第6期

机译：超音速流过平板上的楔子。层流边界层分离和重新连接
4. The effects of Mach and Reynolds number on the flow mixing properties of micro-ramp vortex generators in a supersonic boundary layer [C] . R.H.M. Giepman, A. Srivastava, F.F.J. Schrijer, AIAA aviation forum;AIAA fluid dynamics conference . 2015

机译：马赫数和雷诺数对超音速边界层中微匝涡发生器混流特性的影响
5. High-enthalpy shock/boundary layer interaction on a double wedge. [D] . Davis, Jean-Paul. 1999

机译：双楔上的高焓冲击/边界层相互作用。
6. Mixed convective boundary layer flow over a vertical wedge embedded in a porous medium saturated with a nanofluid: Natural Convection Dominated Regime [O] . Rama Subba Reddy Gorla, Ali Jawad Chamkha, Ahmed Mohamed Rashad 2011

机译：混合对流边界层流过垂直楔形体该楔形体埋置在充满纳米流体的多孔介质中：自然对流主导型
7. The three-dimensional flow organization past a micro-ramp in a supersonic boundary layer [O] . Sun, Z., Schrijer, F.F.J., Scarano, F., 2012

机译：超音速边界层中经过微斜坡的三维流动组织
8. The Interaction between Shock Waves and Boundary Layers at the Trailing Edge of a Double-Wedge Aerofoil at Supersonic Speed [R] . B. D. HENSHALL, R. F. CASH 1957

机译：超音速下双楔翼型后缘冲击波与边界层的相互作用

Effect of micro-ramps on supersonic boundary layer past a double wedge

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