Description: Product of geometrical displacement volume and speed of rotation or stroke frequency; Name: geometric rate of flow
Description: displacement volume for one stroke or one cycle; Name: geometrical flow
Description: Speed that characterizes a pumps cavitation performance in terms of its speed, optimum rate of flow per impeller eye at best efficiency point and NPSH3 at best efficiency point for the first stage at maximum impeller diameter ; Name: Suction-specific speed