推进技术 ›› 1997, Vol. 18 ›› Issue (5): 27-31.

• • 上一篇    下一篇

超声速气流中轴向涡强化混合及燃烧的数值研究

陈坚强,张涵信,高树椿   

  1. 中国空气动力研究与发展中心!绵阳;621000;中国空气动力研究与发展中心!绵阳;621000;中国空气动力研究与发展中心!绵阳;621000
  • 发布日期:2021-08-15
  • 基金资助:
    国家自然科学基金

THE STUDIES OF THE ENHANCEMENTTECHNIQUES OF MIXING ANDCOMBUSTION IN SUPERSONIC FLOWS

  1. China Aerodynamics Research and Development Center,Mianyang, 621000;China Aerodynamics Research and Development Center,Mianyang, 621000;China Aerodynamics Research and Development Center,Mianyang, 621000
  • Published:2021-08-15

摘要: 通过求解N-S方程,数值计算了扩张圆管内的非平衡流动,并研究了超声速混合和燃烧的强化技术。结果表明,在超声速领域,预旋燃料方式是一种比较有效的强化技术。

关键词: 超音速冲压喷气发动机;燃烧效率;强化混合+;数值分析

Abstract: The viscous nonequilibrium swirling flows in a divergent duct are simulated by solvingN-S equations, and the enhancement techniques of mixing and combustion in supersonic flows areinvestigated. The results show that the swirling of fuel is an effective enhancement method forsupersonic mixing and combustion.

Key words: Supersonic combustion ramjet engine;Combustion efficiency;Enhancement mixing~+;Numerical analysis