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超燃冲压发动机内外流场三维燃烧数值模拟

牛东圣 侯凌云 潘鹏飞 马雪松 陆晋丽

牛东圣, 侯凌云, 潘鹏飞, 马雪松, 陆晋丽. 超燃冲压发动机内外流场三维燃烧数值模拟[J]. 航空动力学报, 2014, 29(4): 763-769. doi: 10.13224/j.cnki.jasp.2014.04.004
引用本文: 牛东圣, 侯凌云, 潘鹏飞, 马雪松, 陆晋丽. 超燃冲压发动机内外流场三维燃烧数值模拟[J]. 航空动力学报, 2014, 29(4): 763-769. doi: 10.13224/j.cnki.jasp.2014.04.004
NIU Dong-sheng, HOU Ling-yun, PAN Peng-fei, MA Xue-song, LU Jin-li. Three-dimensional combustion numerical simulation of scramjet internal and external flow fields[J]. Journal of Aerospace Power, 2014, 29(4): 763-769. doi: 10.13224/j.cnki.jasp.2014.04.004
Citation: NIU Dong-sheng, HOU Ling-yun, PAN Peng-fei, MA Xue-song, LU Jin-li. Three-dimensional combustion numerical simulation of scramjet internal and external flow fields[J]. Journal of Aerospace Power, 2014, 29(4): 763-769. doi: 10.13224/j.cnki.jasp.2014.04.004

超燃冲压发动机内外流场三维燃烧数值模拟

doi: 10.13224/j.cnki.jasp.2014.04.004
基金项目: 

教育部留学回国人员科研启动金资助

详细信息
    作者简介:

    牛东圣(1987-),男,陕西西安人,博士生,主要从事超声速燃烧数值模拟研究.

  • 中图分类号: V430

Three-dimensional combustion numerical simulation of scramjet internal and external flow fields

  • 摘要: 以某型煤油燃料超燃冲压发动机整机模型为研究对象,对发动机外流场的流动与发动机内的流动燃烧过程开展了耦合三维数值模拟研究.燃烧室壁面静压计算结果与实验数据吻合良好,平均相对误差为4.9%,验证了数值方法的有效性.结果表明:内流场的流动燃烧状况既受到外流场捕获空气流量的限制,又会反过来影响着外流场的激波结构;泄压孔对保持发动机中各部件流量匹配起到关键作用;由于进气道内激波与边界层的相互作用以及泄压孔诱发的斜激波的影响,流场在第1处燃油喷射孔附近呈现出燃烧流场不对称特征.

     

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出版历程
  • 收稿日期:  2013-01-31
  • 刊出日期:  2014-04-28

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