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弹箭与制导学报 >

2011 , Vol. 31 >Issue 4: 113 - 117

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2011.04.003

火箭技术

冲压发动机二元混压式进气道工作特性分析*

  • 李鹏飞 ,
  • 何国强 ,
  • 秦飞 ,
  • 刘佩进
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  • 西北工业大学固体火箭发动机燃烧、热结构与内流场国防科技重点实验室,西安 710072

李鹏飞(1987-),男,陕西西安人,硕士研究生,研究方向:航空宇航推进理论与工程。

收稿日期: 2010-11-10

  网络出版日期: 2025-05-30

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Performance Analysis of a Two-dimensional Ramjet Inlet

  • LI Pengfei ,
  • HE Guoqiang ,
  • QIN Fei ,
  • LIU Peijin
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  • National Key Laboratory of Combustion, Flow and Thermo-structure, Northwestern Polytechnical University, Xi'an 710072, China

Received date: 2010-11-10

  Online published: 2025-05-30

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摘要

对某型冲压发动机二元混压式进气道进行了三维数值模拟。研究了不同来流及背压条件对进气道性能的影响,以及弹体气动性能对进气道工作特性的影响。结果表明,在宽广的飞行马赫数和空域范围内,进气道的性能差异很大;对于单独设计的进气道,安装在弹体上以后,其性能会出现明显下降;弹体附面层隔槽大小及轴向安装位置会对进气道性能产生较大影响。根据计算结果,可以为该进气道提供实验方案,并为其装配提供参考数据。

关键词： 冲压发动机; 二元进气道; 数值模拟; 附面层隔槽

本文引用格式

李鹏飞 , 何国强 , 秦飞 , 刘佩进 . 冲压发动机二元混压式进气道工作特性分析*[J]. 弹箭与制导学报, 2011 , 31(4) : 113 -117 . DOI: 10.15892/j.cnki.djzdxb.2011.04.003

Abstract

Three-dimensional flow of a two-dimension ramjet inlet was simulated numerically. The effect of different work condition and flow field of the missile on the performance of the inlet was analyzed. It is indicated that inlet performance has large difference in wide flight range; it will descend obviously after installation and behaved differently based on installation position and boundary layer interval. The result can be used to set test and installation scheme.

Key words： solid ramjet; two-dimension inlet; numerical simulation; boundary layer interval

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参考文献

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