.OpenHPL.Functions.DarcyFriction.fDarcy

Information

Function for defining the Darcy friction factor using the Reynolds number. Has different equations for laminar (Reynolds number < 2100) and turbulent (Reynolds number > 2300) flows and also for transitional zone (2100 < Reynolds number < 2300).

Interface

function fDarcy
  extends Modelica.Icons.Function;
  input SI.ReynoldsNumber N_Re "Reynolds number";
  input SI.Diameter D "Pipe diameter";
  input SI.Height p_eps "Pipe roughness height";
  output Real fD "Darcy friction factor";
end fDarcy;

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