Description: Ratio of the volume of solids to the total volume of all components of the medium.; Name: Volume fraction of solid
Description: ratio of the volume of the solids to the total volume of all constituents the fluid; Name: solids volume fraction
Description: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size