AixLib.Fluid.Movers.BaseClasses.Characteristics.efficiency_yMot

# .AixLib.Fluid.Movers.BaseClasses.Characteristics.efficiency_yMot

Efficiency vs. motor PLR characteristics for fan or pump

## Information

This function is similar to AixLib.Fluid.Movers.BaseClasses.Characteristics.efficiency, but takes the motor part load ratio y=Pele ⁄ Pele,nominal instead of volumetric flow rate V̇ as input and does not consider the speed of the mover.

#### Interface

>     function efficiency_yMot
>       extends Modelica.Icons.Function;
>       input AixLib.Fluid.Movers.BaseClasses.Characteristics.efficiencyParameters_yMot per "Efficiency performance data";
>       input Real y "Motor part load ratio, y = PEle/PEle_nominal";
>       input Real d[:] "Derivatives at support points for spline interpolation";
>       output Real eta(unit = "1", final quantity = "Efficiency") "Efficiency";
>     end efficiency_yMot;

## Revisions

- March 2, 2022, by Hongxiang Fu:
  First implementation.
  This is for #2668.

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