Description: for a proportional element, the quotient of the change in the output variable and the associated input variable; Name: proportional coefficient
Description: proportional element, the quotient of the variation of the output variable to the corresponding variation of the input variable; Name: proportional action coefficient
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