IMECH-IR  > 高温气体动力学国家重点实验室
Numerical Study on Critical Wedge Angle of Cellular Detonation Reflections
Wang G(王刚); Zhang DL(张德良); Liu KX(刘凯欣); Liu KX
Source PublicationChinese Physics Letters
2010
Volume27Issue:2Pages:024701
ISSN0256-307X
AbstractThe critical wedge angle (CWA) for the transition from regular reflection (RR) to Mach reflection (MR) of a cellular detonation wave is studied numerically by an improved space-time conservation element and solution element method together with a two-step chemical reaction model. The accuracy of that numerical way is verified by simulating cellular detonation reflections at a 19.3∘ wedge. The planar and cellular detonation reflections over 45∘–55∘ wedges are also simulated. When the cellular detonation wave is over a 50∘ wedge, numerical results show a new phenomenon that RR and MR occur alternately. The transition process between RR and MR is investigated with the local pressure contours. Numerical analysis shows that the cellular structure is the essential reason for the new phenomenon and the CWA of detonation reflection is not a certain angle but an angle range.
Subject Area计算流体力学
DOI10.1088/0256-307X/27/2/024701
Indexed BySCI ; CSCD
Language英语
WOS IDWOS:000274360800041
WOS KeywordTIME CONSERVATION ELEMENT; IMPROVED CE/SE SCHEME; SIMULATION; WAVES
CSCD IDCSCD:3890770
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/33085
Collection高温气体动力学国家重点实验室
Corresponding AuthorLiu KX
Recommended Citation
GB/T 7714
Wang G,Zhang DL,Liu KX,et al. Numerical Study on Critical Wedge Angle of Cellular Detonation Reflections[J]. Chinese Physics Letters,2010,27(2):024701.
APA Wang G,Zhang DL,Liu KX,&Liu KX.(2010).Numerical Study on Critical Wedge Angle of Cellular Detonation Reflections.Chinese Physics Letters,27(2),024701.
MLA Wang G,et al."Numerical Study on Critical Wedge Angle of Cellular Detonation Reflections".Chinese Physics Letters 27.2(2010):024701.
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