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旋转滑动弧涡流器点火探索试验

彭畅新 杨浩 刘逸博 姜世界 李元星 李炜

彭畅新, 杨浩, 刘逸博, 等. 旋转滑动弧涡流器点火探索试验[J]. 航空动力学报, 2023, 38(4):769-776 doi: 10.13224/j.cnki.jasp.20220461
引用本文: 彭畅新, 杨浩, 刘逸博, 等. 旋转滑动弧涡流器点火探索试验[J]. 航空动力学报, 2023, 38(4):769-776 doi: 10.13224/j.cnki.jasp.20220461
PENG Changxin, YANG Hao, LIU Yibo, et al. Exploratory test on ignition with rotating gliding arc swirlers[J]. Journal of Aerospace Power, 2023, 38(4):769-776 doi: 10.13224/j.cnki.jasp.20220461
Citation: PENG Changxin, YANG Hao, LIU Yibo, et al. Exploratory test on ignition with rotating gliding arc swirlers[J]. Journal of Aerospace Power, 2023, 38(4):769-776 doi: 10.13224/j.cnki.jasp.20220461

旋转滑动弧涡流器点火探索试验

doi: 10.13224/j.cnki.jasp.20220461
基金项目: 国防科技创新特区项目
详细信息
    作者简介:

    彭畅新(1985-),男,高级工程师,博士,主要从事新概念航空发动机及燃烧室研究

  • 中图分类号: V231.2

Exploratory test on ignition with rotating gliding arc swirlers

  • 摘要:

    基于中小发燃烧室常用的斜切孔+径向叶片式涡流器,结合滑动弧的产生位置,开展了4种方案的旋转滑动弧涡流器设计及加工,并完成了冷态放电试验及点火试验验证。放电试验结果表明:4种方案的涡流器均能在预设位置产生稳定的旋转滑动弧。三头部点火试验结果表明:方案4的点火效果最好,其最小点火油气比低于常规点火方法。方案2次之,方案3仅能在较低的参考速度下实现燃烧室的点火,方案1的点火效果最差。滑动弧当地的气流速度及油气分布对点火效果影响显著,建议滑动弧处的气流速度不超过20 m/s。

     

  • 图 1  旋转滑动弧涡流器方案示意图

    Figure 1.  Schematic diagram of rotating gliding arc swirlers

    图 2  旋转滑动弧涡流器实物照片

    Figure 2.  Photo of rotating gliding arc swirlers

    图 3  旋转滑动弧涡流器放电照片

    Figure 3.  Discharge photo of rotating gliding arc swirlers

    图 4  燃烧室试验件示意图

    Figure 4.  Schematic diagram of combustor test piece

    图 5  三头部火焰筒照片

    Figure 5.  Photo of triple flame tube

    图 6  点火油气比对比

    Figure 6.  Compare of ignition fuel-air ratio

    图 7  涡流器内部速度云图

    Figure 7.  Velocity field in swirlers

    图 8  燃油雾化照片

    Figure 8.  Photo of fuel atomization

    图 9  燃油在涡流器内部的分布示意图

    Figure 9.  Distribution of fuel in swirler

    图 10  方案1涡流器内部速度云图

    Figure 10.  Velocity field in swirerl of scheme 1

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出版历程
  • 收稿日期:  2022-06-27
  • 网络出版日期:  2023-03-04

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