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Flow-field of the excited jet and mixing in the supersonic flow
Gu SL(顾声龙); Chen LH(陈立红); Gu HB(顾洪斌); Li F(李飞); Wei Z(卫喆); Chang XY(张新宇); Gu, S. (gushenglong@imech.ac.cn)
Source Publication16th AIAA/DLR/DGLR International Space Planes and Hypersonic Systems and Technologies Conference
2009
Conference Name16th AIAA/DLR/DGLR International Space Planes and Hypersonic Systems and Technologies Conference
Conference DateOctober 19, 2009 - October 22, 2009
Conference PlaceBremen, Germany
AbstractThe planar laser scattering and gas sampling were used to investigate the mixing of the excited CO2 jet into the supersonic flow in this article. The jet was from the Hartmann-Sprenger tube, which was put into the traditional jet device. The jet was excited at three different frequencies and compared with the base case without excitation. The results shown that the better mixing with less total pressure loss could be obtained in the excited cases. The penetration was the deepest for 900Hz-excited jet while the number of the large-scale structures was the most in the 5 kHz-excited case. The excited jet didn't only take effects on the jet shear layer, but also influenced the boundary layer. Copyright © 2009 by the American Institute of Aeronautics and Astronautics, Inc.
KeywordDifferent Frequency Gas Sampling Hartmann Jet Devices Large-scale Structure Planar Laser Shear Layer Total-pressure Loss
ISBN9781600867408
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60457
Collection高温气体动力学国家重点实验室
Corresponding AuthorGu, S. (gushenglong@imech.ac.cn)
Recommended Citation
GB/T 7714
Gu SL,Chen LH,Gu HB,et al. Flow-field of the excited jet and mixing in the supersonic flow[C],2009.
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