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进气道内压缩比对固体燃料超燃冲压发动机性能的影响

李彪 魏志军 迟鸿伟 王宁飞

李彪, 魏志军, 迟鸿伟, 王宁飞. 进气道内压缩比对固体燃料超燃冲压发动机性能的影响[J]. 航空动力学报, 2016, 31(2): 459-466. doi: 10.13224/j.cnki.jasp.2016.02.026
引用本文: 李彪, 魏志军, 迟鸿伟, 王宁飞. 进气道内压缩比对固体燃料超燃冲压发动机性能的影响[J]. 航空动力学报, 2016, 31(2): 459-466. doi: 10.13224/j.cnki.jasp.2016.02.026
LI Biao, WEI Zhi-jun, CHI Hong-wei, WANG Ning-fei. Effect of inlet internal contraction ratio on performance of solid fuel scramjet[J]. Journal of Aerospace Power, 2016, 31(2): 459-466. doi: 10.13224/j.cnki.jasp.2016.02.026
Citation: LI Biao, WEI Zhi-jun, CHI Hong-wei, WANG Ning-fei. Effect of inlet internal contraction ratio on performance of solid fuel scramjet[J]. Journal of Aerospace Power, 2016, 31(2): 459-466. doi: 10.13224/j.cnki.jasp.2016.02.026

进气道内压缩比对固体燃料超燃冲压发动机性能的影响

doi: 10.13224/j.cnki.jasp.2016.02.026
基金项目: 

国家自然科学基金(51676062)

详细信息
    作者简介:

    李彪(1986-),男,四川泸州人,博士生,主要从事固体燃料超燃冲压发动机性能研究.

  • 中图分类号: V235.21

Effect of inlet internal contraction ratio on performance of solid fuel scramjet

  • 摘要: 为研究固体燃料超燃冲压发动机进气道与燃烧室的匹配特性,以飞行马赫数为6、飞行高度为25km为设计点对发动机各部件进行初步设计,采用数值模拟方法计算了一系列具有不同进气道内收缩比的发动机模型.结果表明:在保持燃烧室结构不变的条件下,发动机推力与比冲随进气道内压缩比增大开始显著下降,随后小幅上升;在保持燃烧室入口面积扩张比不变的条件下,发动机总体性能随进气道内收缩比的增大而提高.在满足进气道起动与燃烧室火焰稳定的前提下,发动机设计应采用尽可能大的进气道内收缩比与尽可能小的燃烧室入口面积扩张比.

     

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出版历程
  • 收稿日期:  2014-06-10
  • 刊出日期:  2016-02-28

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