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The criterion of the existence or inexistence of transverse shock wave at wedge supported oblique detonation wave
Wang AF(王爱峰); Zhao W(赵伟); Jiang ZL(姜宗林); Wang, AF (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China
Source PublicationActa Mechanica Sinica
2011
Volume27Issue:5Pages:611-619
ISSN0567-7718
AbstractA simplified theoretic method and numerical simulations were carried out to investigate the characterization of propagation of transverse shock wave at wedge supported oblique detonation wave. After solution validation, a criterion which is associated with the ratio Phi (u(2)/u(CJ)) of existence or inexistence of the transverse shock wave at the region of the primary triple was deduced systematically by 38 cases. It is observed that for abrupt oblique shock wave (OSW)/oblique detonation wave (ODW) transition, a transverse shock wave is generated at the region of the primary triple when Phi < 1, however, such a transverse shock wave does not take place for the smooth OSW/ODW transition when Phi > 1. The parameter Phi can be expressed as the Mach number behind the ODW front for stable CJ detonation. When 0.9 < Phi < 1.0, the reflected shock wave can pass across the contact discontinuity and interact with transverse waves which are originating from the ODW front. When 0.8 < Phi < 0.9, the reflected shock wave can not pass across the contact discontinuity and only reflects at the contact discontinuity. The condition (0.8 < Phi < 0.9) agrees well with the ratio (D(ave)/D(CJ)) in the critical detonation.
KeywordOblique Detonation Wave Transverse Shock Wave Oblique Shock Wave Transition Numerical Simulations Numerical-simulation
Subject AreaEngineering ; Mechanics
DOI10.1007/s10409-011-0463-7
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000298393900001
WOS KeywordNUMERICAL-SIMULATION
WOS Research AreaEngineering ; Mechanics
WOS SubjectEngineering, Mechanical ; Mechanics
DepartmentLHD激波与爆轰物理
Classification二类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45166
Collection高温气体动力学国家重点实验室
Corresponding AuthorWang, AF (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang AF,Zhao W,Jiang ZL,et al. The criterion of the existence or inexistence of transverse shock wave at wedge supported oblique detonation wave[J]. Acta Mechanica Sinica,2011,27(5):611-619.
APA 王爱峰,赵伟,姜宗林,&Wang, AF .(2011).The criterion of the existence or inexistence of transverse shock wave at wedge supported oblique detonation wave.Acta Mechanica Sinica,27(5),611-619.
MLA 王爱峰,et al."The criterion of the existence or inexistence of transverse shock wave at wedge supported oblique detonation wave".Acta Mechanica Sinica 27.5(2011):611-619.
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