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Characterization of flame stabilization modes in an ethylene-fueled supersonic combustor using time-resolved CH* chemiluminescence
Yuan YM(袁越明); Zhang TC(张泰昌); Yao W(姚卫); Fan XJ(范学军); Zhang P(张鹏); Fan, XJ (reprint author), Chinese Acad Sci, State Key Lab High Temp Gas Dynam, Beijing 100190, PR, Peoples R China.
2017
发表期刊PROCEEDINGS OF THE COMBUSTION INSTITUTE
卷号36期号:2页码:2919-2925
ISSN1540-7489
摘要

Flame stabilization in a Ma = 2.5 direct-connect supersonic combustor was experimentally characterized with a fixed stagnation pressure of 1.0 MPa and wide ranges of stagnation temperature (T-0) from 1200 K to 1800 K and global equivalence ratio (Phi) of ethylene/air from 0.1 to 0.8. Four typical flame stabilization modes were identified by using the time resolved CH* chemiluminescence and presented as a regime nomogram in the T-0-Phi parameter space. As increasing T-0, the range of Phi for the flame stabilization modes is widened and that for the oscillation mode is therefore narrowed. The widely used quasi-1D analysis, with the experimentally determined wall static pressure distribution as input parameters, suggests that the combustor operates in a scramjet mode when the flame is stabilized in the cavity shear layer and in a ramjet mode when the flame is in the jet-wake. The flame oscillation mode, observed only for a narrow range of Phi, was found to correlate with the combustor transition between the scramjet and ramjet modes. (C) 2016 by The Combustion Institute. Published by Elsevier Inc.

关键词Supersonic Combustion Flame Stabilization Stagtnation Temperature Gloabal Equivalence Ratio Ch** Ch*emiluminesenCh*e
DOI10.1016/j.proci.2016.07.040
收录类别SCI ; EI
语种英语
WOS记录号WOS:000397458900144
关键词[WOS]SCRAMJET EXPERIMENT ; BLOWOUT LIMITS ; TRANSITION ; KEROSENE ; ENGINE
WOS研究方向Thermodynamics ; Energy & Fuels ; Engineering
WOS类目Thermodynamics ; Energy & Fuels ; Engineering, Chemical ; Engineering, Mechanical
项目资助者National Nature Science Foundation of China [91,016,005, 11,502,270] ; RGC/GRF [PolyU 152,217/14E] ; Central Research Grant (G-YBGA)
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力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/72133
专题高温气体动力学国家重点实验室
通讯作者Fan, XJ (reprint author), Chinese Acad Sci, State Key Lab High Temp Gas Dynam, Beijing 100190, PR, Peoples R China.
推荐引用方式
GB/T 7714
Yuan YM,Zhang TC,Yao W,et al. Characterization of flame stabilization modes in an ethylene-fueled supersonic combustor using time-resolved CH* chemiluminescence[J]. PROCEEDINGS OF THE COMBUSTION INSTITUTE,2017,36(2):2919-2925.
APA 袁越明,张泰昌,姚卫,范学军,张鹏,&Fan, XJ .(2017).Characterization of flame stabilization modes in an ethylene-fueled supersonic combustor using time-resolved CH* chemiluminescence.PROCEEDINGS OF THE COMBUSTION INSTITUTE,36(2),2919-2925.
MLA 袁越明,et al."Characterization of flame stabilization modes in an ethylene-fueled supersonic combustor using time-resolved CH* chemiluminescence".PROCEEDINGS OF THE COMBUSTION INSTITUTE 36.2(2017):2919-2925.
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