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超声速气流中液体横向射流的破碎特性

李锋 吕付国 罗卫国 赵凯 王昌胜 熊溢威

李锋, 吕付国, 罗卫国, 等 . 超声速气流中液体横向射流的破碎特性[J]. 北京航空航天大学学报, 2015, 41(12): 2356-2362. doi: 10.13700/j.bh.1001-5965.2014.0792
引用本文: 李锋, 吕付国, 罗卫国, 等 . 超声速气流中液体横向射流的破碎特性[J]. 北京航空航天大学学报, 2015, 41(12): 2356-2362. doi: 10.13700/j.bh.1001-5965.2014.0792
LI Feng, LYU Fuguo, LUO Weidong, et al. Breakup characteristics of liquid jet in supersonic cross flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2356-2362. doi: 10.13700/j.bh.1001-5965.2014.0792(in Chinese)
Citation: LI Feng, LYU Fuguo, LUO Weidong, et al. Breakup characteristics of liquid jet in supersonic cross flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2356-2362. doi: 10.13700/j.bh.1001-5965.2014.0792(in Chinese)

超声速气流中液体横向射流的破碎特性

doi: 10.13700/j.bh.1001-5965.2014.0792
详细信息
    通讯作者:

    李锋(1966-),男,教授,主要研究方向为计算燃烧学、燃气轮机单/双环腔燃烧室设计及低污染技术、亚燃及超燃冲压发动机燃烧技术导弹红外隐身技术研究、等离子流动控制及推力矢量技术研究和脉冲发动机设计技术研究.

  • 中图分类号: V11

Breakup characteristics of liquid jet in supersonic cross flow

  • 摘要: 为了研究超燃冲压发动机燃烧室内液体燃料雾化掺混特性,确定影响雾化的关键因素以实现高效燃烧,在超燃冷态雾化实验平台,以纹影法为主,同时辅助以平面激光诱导荧光(PLIF)技术和基于向前散射原理的颗粒直径测量技术,分别对横向射流航空煤油RP-3和水在超声速气流中的流场波系结构、射流穿透深度和诱导弓形激波强度等进行了实验研究,并对射流雾化掺混特性进行了数理分析.结果表明:定义的无量纲参数能够定性分析两种液体横向射流在超音速流场中的变化规律,并得到与实验结果一致的结论;在动压比1.0~3.3范围内,射流穿透深度和诱导弓形激波强度随着动压比和射流速度的增加而增加;表面张力和黏度对超声速射流掺混有重要影响.

     

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出版历程
  • 收稿日期:  2014-12-16
  • 修回日期:  2015-03-20
  • 网络出版日期:  2015-12-20

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