| 空气节流对超燃冲压发动机燃烧室起动点火影响的数值研究 |
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| 引用本文： | 田野,乐嘉陵,杨顺华,张弯洲,邓维鑫.空气节流对超燃冲压发动机燃烧室起动点火影响的数值研究[J].航空动力学报,2013,28(7):1495-1502. |
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| 作者姓名： | 田野 乐嘉陵 杨顺华 张弯洲 邓维鑫 |
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| 作者单位： | 1. 中国空气动力研究与发展中心吸气式高超声速技术研究中心,四川绵阳,621000
2. 中国空气动力研究与发展中心吸气式高超声速技术研究中心,四川绵阳621000;西南交通大学机械工程学院,成都610031 |
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| 摘 要： | 利用空气节流在流场中产生激波串,有效地辅助燃料实现起动点火.非定常Navier-Stokes方程数值模拟研究了空气节流对超燃冲压发动机燃烧室起动点火的影响,分析了起动点火时间段(0～1.0ms)内空气节流对流场参数的影响.数值模拟结果表明:在燃烧室入口马赫数为2.0、静温为548.8K、静压为101555.9Pa,乙烯燃料当量比为0.5,先锋氢辅助点火的条件下,距离发动机入口845 mm处,节流流量为入口空气流量的30％,有效地实现了发动机的起动点火,无空气节流情况下的发动机点火效果不佳,火焰最终熄灭.
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| 关 键 词： | 空气节流 起动点火 激波串 火焰稳定 超燃冲压发动机燃烧室 |
| 收稿时间： | 2012/12/11 0:00:00 |
Numerical study on air throttling influence of ignition transient on the scramjet combustor |
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| TIAN Ye,LE Jia-ling,YANG Shun-hu,ZHANG Wan-zhou and DENG Wei-xin.Numerical study on air throttling influence of ignition transient on the scramjet combustor[J].Journal of Aerospace Power,2013,28(7):1495-1502. |
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| Authors: | TIAN Ye LE Jia-ling YANG Shun-hu ZHANG Wan-zhou and DENG Wei-xin |
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| Institution: | Airbreathing Hypersonics Research Center, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China;Airbreathing Hypersonics Research Center, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China;Airbreathing Hypersonics Research Center, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China;Airbreathing Hypersonics Research Center, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China;School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China;Airbreathing Hypersonics Research Center, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China;School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China |
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| Abstract: | |
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| Keywords: | air throttling ignition transient shock train flame stabilization scramjet combustor |
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