根据天平静校和标准收敛喷管的动校检验，该天平性能达到了设计要求，说明天平的研制是成功的。
The calibration performance of the balance has also been presented. The result shows that the development of the multi-component balance is successful.
结果表明，对于收扩喷管，虽然其速度边界层厚度明显大于收敛喷管，但加装小突片结构也能够明显的强化射流的混合。
It was found that the tabs fixed on C-D nozzles also enhanced the jet mixing distinctly, although the boundary layers of the jets from C-D nozzles were greater than that from the convergent nozzle.
分析了喷管收敛段绝热层及喉衬的局部烧蚀问题；
The local ablation of thermal insulation barrier in nozzle convergence region and of throat insert is analysed.
在不同的时间下，不同尺寸的颗粒会撞击壁面不同的位置，但主要集中在壳体与喷管的相接部分和喷管的收敛段。
At different time, particles with different sizes can hit different locations on the wall, which are mainly at the connective part of shell and nozzle and out the convergent section of nozzle.
采用收敛扩张喷管，使雾化区形成高压而又连续流动的流场，是高压下雾化试验研究的好方法。
The key feature of the experiment is to use a convergent-disvergent nozzle to maintain a high air pressure in the test chamber and at the same time t…
采用收敛扩张喷管，使雾化区形成高压而又连续流动的流场，是高压下雾化试验研究的好方法。
The key feature of the experiment is to use a convergent-disvergent nozzle to maintain a high air pressure in the test chamber and at the same time t…
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