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Effect of cowl shock on restart characteristics of simple ramp type hypersonic inlets with thin boundary layers
Yue LJ(岳连捷); Jia YN(贾轶南); Xu X; Zhang XY(张新宇); Zhang P(张鹏)
2018-03-01
发表期刊AEROSPACE SCIENCE AND TECHNOLOGY
卷号74页码:72-80
ISSN1270-9638
摘要The effect of cowl angle on the restart characteristics of simple ramp type hypersonic inlets was experimentally investigated in shock tunnel equipped with schlieren imagery and static pressure measurement. The cowl shock strength is found to be a key factor that determines the inlet restart and makes the restart contraction ratios significantly deviate from the Kantrowitz criterion. Stronger cowl shock tends to degrade the inlet restart capability by causing larger separation bubble and higher pressure loss during the restarting process. In particular, a sensitive range of the cowl angles, within which the restart contraction ratio decreases rapidly, was identified. A design concept of multiple noncoalesced cowl shocks was thus proposed and proven to significantly improve the inlet restart capability. (C) 2018 Elsevier Masson SAS. All rights reserved.
关键词Inlet restart Cowl shock Shock wave boundary layer interactions
DOI10.1016/j.ast.2017.12.018
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000426332900008
关键词[WOS]PERFORMANCE
WOS研究方向Engineering, Aerospace
WOS类目Engineering
项目资助者Hong Kong Polytechnic University Central Research Grants [G-UA2M, G-YBGA] ; "Open Fund" of State Key Laboratory of High-Temperature Gas Dynamics, Chinese Academy of Sciences ; National Natural Science Foundation of China [11472279, 11672309]
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力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77922
专题高温气体动力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
3.Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
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Yue LJ,Jia YN,Xu X,et al. Effect of cowl shock on restart characteristics of simple ramp type hypersonic inlets with thin boundary layers[J]. AEROSPACE SCIENCE AND TECHNOLOGY,2018,74:72-80.
APA 岳连捷,贾轶南,Xu X,张新宇,&张鹏.(2018).Effect of cowl shock on restart characteristics of simple ramp type hypersonic inlets with thin boundary layers.AEROSPACE SCIENCE AND TECHNOLOGY,74,72-80.
MLA 岳连捷,et al."Effect of cowl shock on restart characteristics of simple ramp type hypersonic inlets with thin boundary layers".AEROSPACE SCIENCE AND TECHNOLOGY 74(2018):72-80.
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