.FCSys.Characteristics.BaseClasses.CharacteristicNASA.eta

Fluidity (η) as a function of temperature

Information

This function is based on based on NASA CEA [McBride1996, Svehla1995]

Although specific volume is an input to this function, the result is independent of specific volume.

Interface

function eta
  extends Modelica.Icons.Function;
  input Q.TemperatureAbsolute T = 298.15*U.K "Temperature" annotation(
    Dialog(__Dymola_label = "<html><i>T</i></html>"));
  input Q.VolumeSpecific v = 298.15*U.K/U.atm "Specific volume";
  output Q.Resistivity eta "Fluidity" annotation(
    Dialog(__Dymola_label = "<html>&eta;</html>"));
end eta;

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