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在起燃冲压发动机燃烧试验中观察到的弱燃烧与强燃烧都是边界层内的燃烧。实验证明从弱燃烧向强燃烧的过渡就是燃烧室中的发动机壁面边界层分离区的形成和该分离区内燃料/空气混合、燃烧的促进及其相互作用的过程。
Both weak and strong combustion observed in the flaring ramjet combustion test are combustion within the boundary layer. Experiments show that the transition from weak combustion to strong combustion is the formation of the separation wall boundary layer in the combustion chamber and the fuel / air mixing and combustion promotion and interaction in the separation zone.