关键词:扩压器叶片;不稳定脉动力;叶轮尾迹;噪声 [gap=990]Key words: diffuser vanes; unsteady force; impeller wakes; noise
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... diffuser tube 扩散管 diffuser type centrifugal pump 扩散形离心泵，扩压式离心泵 diffuser vane 扩散器叶片，扩压器叶片 ...
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vane diffuser 叶片扩散器 ; 叶片扩压器 ; 叶轮扩散器 ; 扩散叶
multiple-vane diffuser 多导向叶片式扩散器
multi-vane diffuser 多导向叶片式扩压器 ; 多叶扩散器
low solidity vane diffuser 低稠度导叶
diffuser r vane 扩压器叶片
diffuser guide vane 扩散器导向叶片
wedge vane diffuser 楔形扩压器
It is found that vane diffuser restrains the influence of the volute on the impeller.
发现了叶片扩压器对遏制蜗壳对叶轮内流场的影响有明显的作用。
The velocity, temperature, pressure, and Mach number are analyzed according to the simulation result and the difference between vane diffuser and vaneless diffuser is studied.
由计算结果分析了叶轮和无叶扩压器内部的速度、压力、马赫数分布，并和叶片扩压器进行了对比。
The perdicted results also can provide useful information for the matching between the impeller and vane diffuser in design.
研究结果可为优化叶轮与叶片扩压器的匹配提供有益参考。
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