Description: Ratio of the power requirement of the pump reduced by the mechanical power losses  to the power requirement of the pump under certain working conditions.; Name: mech eff
Description: proportion of the pump power input, p, available after satisfying the mechanical power losses, pj,ab, at given operating conditions; Name: mechanical efficiency
Description: Determined total head at the outlet area of the installation, which corresponds to the sum of geodetic head, pressure head and velocity head ; Name: Total head at outlet area of the installation