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Title:
Self-organized generation of transverse waves in diverging cylindrical detonations
Author: Jiang ZL(姜宗林); Han GL(韩桂来); Wang C(王春); Zhang F(张凡)
Source: Combustion and Flame
Issued Date: 2009
Issue: 156, Pages:1653–1661
Abstract: Self-organized generation of transverse waves associated with the transverse wave instabilities at a diverging cylindrical detonation front was numerically studied by solving two-dimensional Euler equations implemented with an improved two-step chemical kinetic model. After solution validation, four mechanisms of the transverse wave generation were identified from numerical simulations, and referred to as the concave front focusing, the kinked front evolution, the wrinkled front evolution and the transverse wave merging, respectively. The propagation of the cylindrical detonation is maintained by the growth of the transverse waves that match the rate of increase in surface area of the detonation front to asymptotically approach a constant average number of transverse waves per unit length along the circumference of the detonation front. This cell bifurcation phenomenon of cellular detonations is discussed in detail to gain better understanding on detonation physics.
Keyword: cylindrical detonation
Language: 英语
Indexed Type: SCI
Corresponding Author: 姜宗林
Correspondent Email: zljiang@imech.ac.cn
DOI: 10.1016/j.combustflame.2009.02.012
DOC Type: Article
WOS Subject: Thermodynamics ; Energy & Fuels ; Engineering, Multidisciplinary ; Engineering, Chemical ; Engineering, Mechanical
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Engineering
WOS Keyword Plus: DIRECT INITIATION ; GASEOUS DETONATIONS
WOS ID: WOS:000268288700014
ISSN: 0010-2180
Subject: 流体力学::空气动力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/28691
Appears in Collections:高温气体动力学国家重点实验室_期刊论文

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Recommended Citation:
Jiang ZL,Han GL,Wang C,et al. Self-organized generation of transverse waves in diverging cylindrical detonations[J]. Combustion and Flame,2009-01-01(156):1653–1661.
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