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11 天
超燃冲压发动机迟滞效应机理方面取得突破
超燃冲压发动机中存在一种特殊的现象,即相同流动控制参数,由于历史路径的不同,可能造成发动机存在非唯一的运行模态和工作裕度。超燃冲压发动机在模态转换过程中存在燃烧迟滞效应在近年来的国内外地面实验中得到广泛证实。作为高超声速飞行的首选动力,超燃冲压发动机中的迟滞效应给发动机的主动控制带来巨大困难。
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