Description: Runner resonant frequency calculated taking into account the additional support and damping caused by the effect of the fluid in the impeller; Name: crit speed (wet)
Description: Rotor resonant frequency calculated assuming that the rotor is supported only at its bearings and that the bearings are of infinite stiffness ; Name: Dry critical speed
Description: For a given operating resource, the greatest temperature, not ever to be exceeded, of materials or measuring substances above which the resource cannot be operated without permanent changes in its characteristics; Name: 	Max. work temperature