Numerical Study on Critical Wedge Angle of Cellular Detonation Reflections

CORC > 力学研究所 > 中国科学院力学研究所 > 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
刊名	Chinese Physics Letters
	2010
通讯作者邮箱	kliu@pku.edu.cn
卷号	27 期号:2 页码:024701
ISSN号	0256-307X
通讯作者	Liu KX
合作状况	国内
中文摘要	The 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.
学科主题	计算流体力学
关键词[WOS]	TIME CONSERVATION ELEMENT; IMPROVED CE/SE SCHEME; SIMULATION; WAVES
收录类别	SCI ; CSCD
语种	英语
CSCD记录号	CSCD:3890770
WOS记录号	WOS:000274360800041
公开日期	2010-05-21
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/33085]
专题	力学研究所_高温气体动力学国家重点实验室
通讯作者	Liu KX
推荐引用方式 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.