Description: product of geometrical displacement volume and rotational speed or stroke frequency; Name: volume of geometric displacement
Description: product of geometrical displacement volume and speed of rotation or stroke frequency; Name: geometric displacement volume
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed