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Experimental and numerical study on instability structure of the supersonic mixing layer (Mc = 0.5) |
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| Authors: | WuBing Yang FengGan Zhuang Qing Shen FaMing Guan Qiang Wang ShiHe Yi YuXin Zhao Lin He LiFeng Tian |
| Affiliation: | YANG WuBing1,ZHUANG FengGan2,SHEN Qing1,GUAN FaMing1,WANG Qiang1,YI ShiHe3,ZHAO YuXin3,HE Lin3 & TIAN LiFeng3 1 China Academy of Aerospace Aerodynamics,Beijing 100074,China,2 China Aerospace Science , Technology Corporation,Beijing 100037,3 College of Aerospace , Material Engineering,National University of Defense Technology,Changsha 410073 |
| Abstract: | The parameters of instability wave of supersonic mixing layer(Mc=0.5,M1=3.5/M2=1.4) are measured by flow visualization and calculated by means of two-dimensional direct numerical simulaitons of the compressible Navier-Stokes equations.In both cases of the mixing layer with harmonic disturbance or not,the comparative results indicate that the wavelength of the two-dimensional wave is equal to the vortex spacing in the streamwise direction because the difference between them is less than 1%.However,the measur... |
| Keywords: | supersonic mixing layer direct numerical simulation flow visualization |
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