Description: ratio: volume of solid to volume of medium; Name: sol vol fraction
Description: ratio of the volume of the solids to the total volume of all constituents the fluid; Name: solids volume fraction
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %