1、

Investigation radius is so-called the radial range that pressure wave can sweep sometimes at the out edge of the pressure drop funnel.

压降漏斗的外部边缘即某一时刻压力波所能波及到的径向距离就是所谓的探测半径。

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2、

Comparison with available experimental data was made for three different impellers: backswept log-spiral blade, straight radial blade, and curved blade with backward sweep. Good agreement was obtained for the streamline and velocity distributions.

就三种不同叶片的叶轮后掠式对数螺旋线叶片,直线径向叶片,后掠弯曲叶轮比较它们已有的实验数据,流线与速度的分布基本相同。

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