• When numbers of the inner nozzle are enough, plug nozzle has less size, less weight and higher thrust efficiency than the bell nozzle under same area ratio.

    单元足够多时,环簇式喷管可比相同面积钟形喷管的尺寸小,重量更推力效率更高

    youdao

  • This paper analyses reason for flame swinging in high-altitude nozzle with the ratio of large area tested under the ground atmosphere, and describes the mechanism of unsymmetrical separation.

    本文分析了高空大面积喷管地面试验时喷管内出现火焰偏摆原因叙述了喷管内气流不对称分离机理

    youdao

  • The performance of steam-jet vacuum pump was investigated by changing the ratio of secondary to primary throat area, relative position of the steam nozzle and the taper of the mixing section.

    计算并分析第二喉管工作蒸汽喷嘴喉管面积、喷嘴出口截面混合段入口截面间距离等几何参数喷射器操作性能的影响。

    youdao

  • The performance of steamjet ejector was investigated by changing the secondary to the primary throat area ratio and the position of the steam nozzle.

    计算并分析第二喉管工作蒸汽喷嘴喉管面积、喷嘴出口截面与混合段入口截面间距离等几何参数喷射器操作性能的影响。

    youdao

  • The performance of steamjet ejector was investigated by changing the secondary to the primary throat area ratio and the position of the steam nozzle.

    计算并分析第二喉管工作蒸汽喷嘴喉管面积、喷嘴出口截面与混合段入口截面间距离等几何参数喷射器操作性能的影响。

    youdao

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