The nozzle was entirely blackened, with the hottest region being where the throat meets the divergent section .
喷嘴是完全发黑的，与最热门的地区正在那里喉咙会见不同的区段。
There are particles on whole cross section of nozzle divergent section and this fact shows that there is no"no particles zone"in nozzle divergent section.
喷管扩张段整个截面上都有粒子分布， 说明喷管扩张段中不存在“无粒子区”；
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；
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