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. | |
发表期刊 | PROCEEDINGS OF THE COMBUSTION INSTITUTE |
2017 | |
卷号 | 36期号:2页码:2919-2925 |
ISSN | 1540-7489 |
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 |
DOI | 10.1016/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) |
论文分区 | 一类 |
力学所作者排名 | 1 |
引用统计 | |
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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