flow diffuser 流量扩散器
axial flow diffuser 轴流扩散器
transonic diffuser grid flow 跨音速叶栅流动
flow board diffuser 流量扩散器
The relative position between the diffusion blade and the volute tongue has influence on the distribution of diffuser flow field and the position is regulated suitably to reduce the hydraulic loss.
扩压叶片与隔舌相对位置对扩散段流场的分布有影响，适当调整可以减小水力损失。
Thee diffuser length should be long enough to ensure the main flow deceleration.
扩压段应具有一定的长度以保证主气流减速到一定程度。 。
The study shows that complex flow separation in the diffuser can be effectively brought under control by external acoustic excitation.
实验结果表明用外部声激励的方法可以控制小展弦比扩压器内的复杂分离流动；
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