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凹腔底壁喷注煤油燃料的超燃点火试验

李西鹏 刘卫东 潘余 刘世杰 苏义

李西鹏, 刘卫东, 潘余, 刘世杰, 苏义. 凹腔底壁喷注煤油燃料的超燃点火试验[J]. 航空动力学报, 2016, 31(11): 2585-2594. doi: 10.13224/j.cnki.jasp.2016.11.004
引用本文: 李西鹏, 刘卫东, 潘余, 刘世杰, 苏义. 凹腔底壁喷注煤油燃料的超燃点火试验[J]. 航空动力学报, 2016, 31(11): 2585-2594. doi: 10.13224/j.cnki.jasp.2016.11.004
LI Xi-peng, LIU Wei-dong, PAN Yu, LIU Shi-jie, SU Yi. Experiment on ignition of kerosene in supersonic flow based on cavity floor injection[J]. Journal of Aerospace Power, 2016, 31(11): 2585-2594. doi: 10.13224/j.cnki.jasp.2016.11.004
Citation: LI Xi-peng, LIU Wei-dong, PAN Yu, LIU Shi-jie, SU Yi. Experiment on ignition of kerosene in supersonic flow based on cavity floor injection[J]. Journal of Aerospace Power, 2016, 31(11): 2585-2594. doi: 10.13224/j.cnki.jasp.2016.11.004

凹腔底壁喷注煤油燃料的超燃点火试验

doi: 10.13224/j.cnki.jasp.2016.11.004
基金项目: 

国家自然科学基金(91116001)

详细信息
    作者简介:

    李西鹏(1990-),男,山东德州人,博士生,主要研究领域为高超声速推进技术。

  • 中图分类号: V235.213

Experiment on ignition of kerosene in supersonic flow based on cavity floor injection

  • 摘要: 在来流总温为1486K、总压为1.6MPa、马赫数为2.52的条件下,采用两级串联凹腔构型燃烧室,开展了凹腔底壁喷注煤油燃料的超燃点火试验,研究了喷嘴孔径、喷注位置对点火性能的影响.结果表明:上游凹腔底壁大孔径喷嘴喷注燃料,下游凹腔点火的方案点火性能高,在煤油总体当量比为0.102~0.206范围内均可实现成功点火与稳定燃烧;燃烧反压向上游的传播过程具有明显的滞后性且与分离区的形成过程紧密耦合;燃料喷注方案决定了煤油雾化燃料场的分布,燃料的分布特征又决定了点火特征.

     

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出版历程
  • 收稿日期:  2015-03-12
  • 刊出日期:  2016-11-28

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