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一种冲压发动机
Authors
张泰昌
范学军
Publication date
7 July 2020
Publisher
Abstract
本发明提供一种冲压发动机,该冲压发动机包括燃烧室,从燃烧室进口端到燃烧室出口端,燃烧室内壁的扩张角度逐渐增大;当启动冲压发动机时,通过设置在燃烧室内壁上的燃料补充装置和氧化剂补充装置,按照一定比例、流量为燃烧室补充燃料和氧化剂,使燃料和氧化剂在燃烧室内燃烧达到冲压发动机所需的推力。基于本发明提供的冲压发动机,按照飞行器对发动机的推力和比冲要求,通过合理设计冲压发动机的燃烧室内不同段的扩张角度,以及燃料和氧化剂补充位置,按照一定的流量和比例补充氧化剂和燃料,使补充的燃料在燃烧室内边混合边燃烧均匀释放能量,实现高比冲和大推力,且使发动机在宽马赫数范围内的工作性能最优
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 25/11/2020