| Performance of supersonic model combustors with staged injections of supercritical aviation kerosene |
| Zhong FQ(仲峰泉) ; Fan XJ(范学军); Yu G(俞刚); Li JG(李建国); Sung CJ; Zhong FQ
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| 发表期刊 | Acta Mechanica Sinica
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| 2010
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| 卷号 | 26期号:5页码:661-668 |
| ISSN | 0567-7718
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| 摘要 | Supersonic model combustors using two-stage injections of supercritical kerosene were experimentally investigated in both Mach 2.5 and 3.0 model combustors with stagnation temperatures of approximately 1,750 K. Supercritical kerosene of approximately 760 K was prepared and injected in the overall equivalence ratio range of 0.5-1.46. Two pairs of integrated injector/flameholder cavity modules in tandem were used to facilitate fuel-air mixing and stable combustion. For single-stage fuel injection at an upstream location, it was found that the boundary layer separation could propagate into the isolator with increasing fuel equivalence ratio due to excessive local heat release, which in turns changed the entry airflow conditions. Moving the fuel injection to a further downstream location could alleviate the problem, while it would result in a decrease in combustion efficiency due to shorter fuel residence time. With two-stage fuel injections the overall combustor performance was shown to be improved and kerosene injections at fuel rich conditions could be reached without the upstream propagation of the boundary layer separation into the isolator. Furthermore, effects of the entry Mach number and pilot hydrogen on combustion performance were also studied. |
| 关键词 | Supersonic Combustion
Staged Injection
Combustion Efficiency
Supercritical Kerosene
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| DOI | 10.1007/s10409-010-0367-y
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| URL | 查看原文
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| 收录类别 | SCI
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| 语种 | 英语
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| WOS记录号 | WOS:000282089700002
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| WOS研究方向 | Engineering
; Mechanics
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| WOS类目 | Engineering, Mechanical
; Mechanics
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| 项目资助者 | National Natural Science Foundation of China [10672169, 10621202]
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| 引用统计 |
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| 文献类型 | 期刊论文
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| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/43557
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| 专题 | 高温气体动力学国家重点实验室
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| 通讯作者 | Zhong FQ |
推荐引用方式
GB/T 7714 |
Zhong FQ,Fan XJ,Yu G,et al. Performance of supersonic model combustors with staged injections of supercritical aviation kerosene[J]. Acta Mechanica Sinica,2010,26,5,:661-668.
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| APA |
仲峰泉,范学军,俞刚,李建国,Sung CJ,&Zhong FQ.(2010).Performance of supersonic model combustors with staged injections of supercritical aviation kerosene.Acta Mechanica Sinica,26(5),661-668.
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| MLA |
仲峰泉,et al."Performance of supersonic model combustors with staged injections of supercritical aviation kerosene".Acta Mechanica Sinica 26.5(2010):661-668.
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