.Buildings.Media.Antifreeze.Functions.PropyleneGlycolWater.polynomialProperty

Information

Evaluates a thermophysical property of a mixture, based on correlations proposed by Melinder (2010).

The polynomial has the form

f = a₁ (x-xm)⁰(y-ym)⁰ + a₂ (x-xm)⁰(y-ym)¹ + ... + a_ny[1] (x-xm)⁰(y-ym)^ny[1]-1 + ... + a_ny[1])+1 (x-xm)¹(y-ym)⁰ + ... + a_ny[1]+ny[2] (x-xm)¹(y-ym)^ny[2]-1 + ...

References

Melinder, Åke. 2010. Properties of Secondary Working Fluids (Secondary Refrigerants or Coolants, Heat Transfer Fluids) for Indirect Systems. Paris: IIR/IIF.

Interface

function polynomialProperty
  extends Modelica.Icons.Function;
  input Real x "First independent variable";
  input Real y "Second independent variable";
  input Real a[sum(proCoe.nT)] "Polynomial coefficients";
  output Real f "Value of thermophysical property";
end polynomialProperty;

Revisions

• March 16, 2018 by Massimo Cimmino:
  First implementation. This function is used models in Buildings.Media.Antifreeze.