高超声速气流在燃烧室的停留时间非常短，使得超燃冲压发动机燃烧室内燃料与气流的混合及其燃烧变得非常困难。
Due to extremely short residence time of supersonic airflow, it is difficult to effectively mix and combust for the fuel and air in scramjet combustor.
在一个有突扩台阶的氢燃料高超声速冲压发动机模型内研究了氢燃料喷注方式对点火与燃烧效果的影响。
A dual-mode scramjet model engine with a rear-faced step is experimentally investigated with different hydrogen fuel injection manners.
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