steady divergent pressure flow 恒定有压扩散流
Along with the increase of the secondary flow pressure ratio, the shock move toward upstream divergent section and the thrust vector angle gradually increases;
次流压比的增加将导致激波向扩张段上游移动，且喷管矢量角不断增加；
Based on model experiment, the local unsteady phenomenon in 2-d horizontal flow with steady divergent pressure was studied.
试验研究了恒定二元水平有压扩散流中的局部非稳态流动现象。
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