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Hyshot超燃冲压发动机的CFD数值模拟

王培勇 陈明 邢菲 李琼

王培勇, 陈明, 邢菲, 李琼. Hyshot超燃冲压发动机的CFD数值模拟[J]. 航空动力学报, 2014, (5): 1020-1028.
引用本文: 王培勇, 陈明, 邢菲, 李琼. Hyshot超燃冲压发动机的CFD数值模拟[J]. 航空动力学报, 2014, (5): 1020-1028.
WANG Pei-yong, CHEN Ming, XING Fei, LI Qiong. CFD numerical simulation of Hyshot scramjet[J]. Journal of Aerospace Power, 2014, (5): 1020-1028.
Citation: WANG Pei-yong, CHEN Ming, XING Fei, LI Qiong. CFD numerical simulation of Hyshot scramjet[J]. Journal of Aerospace Power, 2014, (5): 1020-1028.

Hyshot超燃冲压发动机的CFD数值模拟

基金项目: 

国家自然科学基金(51106131,11002125,51206057);中央高校基本业务费专项资金(2010121045)

详细信息
    作者简介:

    王培勇(1976- ),男,湖北潜江人,副教授,博士,主要从事燃烧学研究.

  • 中图分类号: V235.21

CFD numerical simulation of Hyshot scramjet

  • 摘要: 以Hyshot超燃冲压发动机试验为研究对象,分别对冷流和燃烧工况进行了CFD数值模拟.冷流模拟计算得到的壁面压力与试验结果吻合良好,且数值计算压力分布对采用的湍流流动模型不敏感;但是采用不同的湍流流动模型计算的湍流参数(湍动能和耗散率)差别很大,会对氢气燃料与气流的掺混产生重要影响,进而影响燃烧模拟结果.采用SST(shear stress transport)k-ω湍流流动模型和EDM(eddy dissipation model)湍流燃烧模型得到的模拟结果与试验结果基本吻合,但是计算压力峰值略靠后.对8个不同氢气燃料喷射角度的工况进行数值模拟结果表明喷射角度为99°和114°时燃料和空气混合最好、燃烧效率可达到最高.

     

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出版历程
  • 收稿日期:  2013-10-21
  • 刊出日期:  2014-05-28

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