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Oblique Shock to Detonation Transition in Hydrogen-air Mixtures
Wang T(王涛); Zhang YN; Teng HH(滕宏辉); Jiang ZL(姜宗林)
Source PublicationProcedia Engineering
AbstractOblique detonation waves in hydrogen-air mixtures are simulated with detailed chemical reaction models to study the initiation process. To mimic the flow in Oblique Detonation Wave Engines (ODWE), the combustible gas mixtures, with low pressure and high temperature, are derived from flight condition and used in the simulations. Numerical results show the initiation is achieved through the smooth transition from oblique shock to detonation, different from the abrupt transition studied widely before. The mechanism of forming the smooth transition is discussed, which is consistent with previous theory. To perform quantitative analysis, the characteristic length of initiation process is defined, and then the length dependences on detonation-induced wedge angle, incident Ma and flight Ma are listed.
KeywordOblique Detonation Hydrogen Oblique Shock
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Document Type期刊论文
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GB/T 7714
Wang T,Zhang YN,Teng HH,et al. Oblique Shock to Detonation Transition in Hydrogen-air Mixtures[J]. Procedia Engineering,2015,126:209-213.
APA 王涛,Zhang YN,滕宏辉,&姜宗林.(2015).Oblique Shock to Detonation Transition in Hydrogen-air Mixtures.Procedia Engineering,126,209-213.
MLA 王涛,et al."Oblique Shock to Detonation Transition in Hydrogen-air Mixtures".Procedia Engineering 126(2015):209-213.
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