recordPropertyCoefficients
Polynomial coefficients to evaluate fluid properties
Extends from Modelica.Icons.Record.
Information
Record that is used by media packages in IBPSA.Media.Antifreeze to implement the thermophysical properties based on Melinder (2010).
References
Melinder, Åke. 2010. Properties of Secondary Working Fluids (Secondary Refrigerants or Coolants, Heat Transfer Fluids) for Indirect Systems. Paris: IIR/IIF.
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.SIunits.MassFraction | X_a_ref | Reference mass fraction | |
| Modelica.SIunits.Temperature | T_ref | Reference temperature | |
| Integer | nX_a | Order of polynomial in x | |
| Integer[nX_a] | nT | Order of polynomial in y | |
| Integer | nTot | Total number of coefficients | |
| Real[nTot] | a_d | Polynomial coefficients for density | |
| Real[nTot] | a_eta | Polynomial coefficients for dynamic viscosity | |
| Real[nTot] | a_Tf | Polynomial coefficients for fusion temperature | |
| Real[nTot] | a_cp | Polynomial coefficients for specific heat capacity | |
| Real[nTot] | a_lambda | Polynomial coefficients for thermal conductivity |
Revisions
- May 11, 2018, by Michael Wetter: Added documentation.