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双支板超燃燃烧室上游支板喷注位置的影响

田亮 徐旭 朱韶华

田亮, 徐旭, 朱韶华. 双支板超燃燃烧室上游支板喷注位置的影响[J]. 航空动力学报, 2016, 31(11): 2613-2620. doi: 10.13224/j.cnki.jasp.2016.11.007
引用本文: 田亮, 徐旭, 朱韶华. 双支板超燃燃烧室上游支板喷注位置的影响[J]. 航空动力学报, 2016, 31(11): 2613-2620. doi: 10.13224/j.cnki.jasp.2016.11.007
TIAN Liang, XU Xu, ZHU Shao-hua. Influence of injection location on upstream struts in a dual-struts supersonic combustor[J]. Journal of Aerospace Power, 2016, 31(11): 2613-2620. doi: 10.13224/j.cnki.jasp.2016.11.007
Citation: TIAN Liang, XU Xu, ZHU Shao-hua. Influence of injection location on upstream struts in a dual-struts supersonic combustor[J]. Journal of Aerospace Power, 2016, 31(11): 2613-2620. doi: 10.13224/j.cnki.jasp.2016.11.007

双支板超燃燃烧室上游支板喷注位置的影响

doi: 10.13224/j.cnki.jasp.2016.11.007
详细信息
    作者简介:

    田亮(1983-),男,河北秦皇岛人,博士生,主要从事超燃冲压发动机的试验研究.

  • 中图分类号: V233.3

Influence of injection location on upstream struts in a dual-struts supersonic combustor

  • 摘要: 在双支板超燃燃烧室的直连试验中,以液体煤油为燃料,针对上游支板上的3个喷注位置对燃烧的影响进行了研究.在试验过程中获得了壁面压力数据,并通过一维冲量分析法处理.试验结果表明:煤油在两支板同时喷注时,热力喉道的位置受上游支板喷注位置显著影响.在上游支板的3个喷注位置中,第1,2位置分别喷注时超燃燃烧室压力分布基本相同,与第3位置喷注相比燃烧效率高6.3%~7.5%,内推力高16.7%~17.4%.试验的结果表明,在第1位置喷注时燃料能够在上游维持燃烧,但第3位置喷注时燃料无法在上游维持燃烧.结合数值仿真的结果分析,上游支板上的喷注位置到支板尾缘的距离L≥80mm时,燃料在支板尾缘处有较高的混合效率并形成稳定的燃烧.

     

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出版历程
  • 收稿日期:  2015-01-30
  • 刊出日期:  2016-11-28

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