入射压力对连续超声速射流对撞的影响

  • 赵坤 ,
  • 刁志成 ,
  • 何立明 ,
  • 曾昊 ,
  • 张胜利 ,
  • 谢祥勇
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  • 1 空军工程大学航空工程学院, 西安 710038
    2 95896部队, 河北沧州 061700
    3 93716部队, 天津 300000
    4 94855部队, 浙江衢州 324000

赵坤(1992-),男,山东滕州人,硕士研究生,研究方向:脉冲爆震发动机研究。

收稿日期: 2017-10-11

  网络出版日期: 2025-05-29

基金资助

国家自然科学基金(91541109); 国家自然科学基金(51406234)

Influence of Incident Pressure on Continuous Supersonic Jet Collision

  • ZHAO Kun ,
  • DIAO Zhicheng ,
  • HE Liming ,
  • ZENG Hao ,
  • ZHANG Shengli ,
  • XIE Xiangyong
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  • 1 Aeronautics Engineering College, Air Force Engineering University, Xian 710038, China
    2 No. 95896 Unit, Hebei Cangzhou 061700, China
    3 No. 93716 Unit, Tianjin 300000, China
    4 No. 94855 Unit, Zhejiang Quzhou 324000, China

Received date: 2017-10-11

  Online published: 2025-05-29

摘要

为了研究连续超声速射流入射压力对射流对撞的影响规律,以空气为介质开展了不同入射压力下自由空间内连续超声速射流对撞的实验和数值模拟,对比分析了射流对撞中心的动态压力和辐射噪声。结果表明:随着射流入射压力的增大,射流对撞的动态压力幅值逐渐增大,频率也逐渐增大,同时射流对撞引起的啸叫频率逐渐增大;增大射流入射压力有利于提高射流对撞效果。

本文引用格式

赵坤 , 刁志成 , 何立明 , 曾昊 , 张胜利 , 谢祥勇 . 入射压力对连续超声速射流对撞的影响[J]. 弹箭与制导学报, 2018 , 38(5) : 55 -59 . DOI: 10.15892/j.cnki.djzdxb.2018.05.014

Abstract

In order to research the influence of the free supersonic jet pressure on jet collision, taking air as media, the experiment and numerical simulation of continuous supersonic jet collision in free space under different incident pressure were carried out. and the dynamic pressure and radiation noise of the jet collision center were analyzed. The results show that the dynamic pressure amplitude and the frequency of jet collision gradually increase as the injection pressure increases. At the same time the frequency of the noise caused by jet collision increases. The increase of the incident pressure can improve the effect of jet collision.

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