Study on the Near-Wake Flow behind EBMC Flameholder

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	Study on the Near-Wake Flow behind EBMC Flameholder
	Yue LJ(岳连捷); Liu BJ; Yang ML
	2002
会议名称	Conference on Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002
会议日期	SEP 03-06, 2002
会议地点	BEIJING, PEOPLES R CHINA
卷号	5058
页码	213-230
中文摘要	The detailed near-wake flow behind the Edge Blowing Mixture Curtain flameholder (EBMC flameholder) and the V-gutter flameholder were investigated by using 2D cross-correlation on-line PIV in a low speed wind tunnel. Experiments were conducted at the main flow velocity of 10m/s and 20m/s, the jet velocity of 10m/s and 20m/s respectively. Results show that near-wake flow structure of both flameholders is governed mainly by large-scale vortices in the form of vortex street, and the jet increases the size of the vortices. But symmetrical large-scale vortices appear when the momentum ratio of the jet to the main flow is high, which is disadvantage to combustion. Based on the research on the instantaneous flow, the instantaneous viewpoint of the flame stability mechanism was brought forward. Important effect of alternate formation and shedding of vortices on the flame stability was discussed. All of these offer important theoretic basis for further studying combustion performance of the novel flameholder.
收录类别	CPCI-S ; EI
会议录	OPTICAL TECHNOLOGY AND IMAGE PROCESSING FOR FLUIDS AND SOLIDS DIAGNOSTICS 2002
会议录出版者	SPIE-INT SOC OPTICAL ENGINEERING
学科主题	力学
语种	英语
ISSN号	0277-786X
ISBN号	0-8194-4864-8
WOS记录号	WOS:000185646300021
内容类型	会议论文
源URL	[http://dspace.imech.ac.cn/handle/311007/16923]
专题	力学研究所_力学所知识产出(1956-2008)
推荐引用方式 GB/T 7714	Yue LJ,Liu BJ,Yang ML. Study on the Near-Wake Flow behind EBMC Flameholder[C]. 见:Conference on Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002. BEIJING, PEOPLES R CHINA. SEP 03-06, 2002.