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Aerodynamic principles of shock-induced combustion ramjet engines

机译：抗冲击燃烧拉动引擎的空气动力学原理

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摘要

The shock-induced combustion ramjet engine is the most favorable air breathing propulsive system and a suitable option for high-speed flight. In this paper, theoretical analysis and numerical simulations were conducted to study the thrust performance of shock-induced combustion ramjet engines. Firstly, the propulsive performance of supersonic combustion ramjet engines was theoretically analyzed by using the Chapman-Jouguet detonation theory. Then, the aerodynamic principles of shock-induced combustion ramjet engines were put forth on the basis of the theoretical analysis results. Finally, a full-scale shock-induced combustion ramjet engine was designed according to the aerodynamic principles. Two-dimensional numerical simulations were conducted to simulate its combustion flow field and propulsive performance. The numerical results demonstrate the correctness and application of the theoretical aerodynamic principles. (C) 2020 Elsevier Masson SAS. All rights reserved.
机译：震动燃烧的燃烧拉米特发动机是最有利的空气呼吸推进系统和高速飞行的合适选择。本文进行了理论分析和数值模拟，研究了抗冲击燃烧拉动发动机的推力性能。首先，通过使用Chapman-jouguet爆炸理论理论上分析超音速燃烧拉米特引擎的推进性能。然后，在理论分析结果的基础上提出了冲击诱导的燃烧拉米喷射发动机的空气动力学原理。最后，根据空气动力学原理设计了全尺寸的触发燃烧拉米特发动机。进行二维数值模拟以模拟其燃烧流场和推进性能。数值结果证明了理论空气动力学原理的正确性和应用。 （c）2020 Elsevier Masson SAS。版权所有。

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  • 来源
    《Aerospace science and technology》 |2020年第8期|105901.1-105901.8|共8页
  • 作者

    Ma Kaifu; Zhang Zijian; Liu Yunfeng; Jiang Zonglin;

  • 作者单位

    Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China|Chinese Acad Sci Inst Mech Beijing 100190 Peoples R China;

    Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China|Chinese Acad Sci Inst Mech Beijing 100190 Peoples R China;

    Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China|Chinese Acad Sci Inst Mech Beijing 100190 Peoples R China;

    Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China|Chinese Acad Sci Inst Mech Beijing 100190 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Scramjet engines; Shock-induced combustion ramjet engines; Supersonic combustion; Chapman-Jouguet detonation;

    机译：Scramjet发动机;震动燃烧拉动引擎;超音速燃烧;查普曼 - jouge爆炸;

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