Physical properties for fluids are needed in so many different variants that a library can only provide models for the most common situations. With the following examples we are going to demonstrate how to use the existing packages and functions in Modelica.Media to customize these models for advanced applications. The high level functions try to abstract as much as possible form the fact that different media are based on different variables, e.g., ideal gases need pressure and temperature, while many refrigerants are based on Helmholtz functions of density and temperature, and many water properties are based on pressure and specific enthalpy. Medium properties are needed in control volumes in the dynamic state equations and in many thermodynamic state locations that are independent of the dynamic states of a control volume, e.g., at a wall temperature, an isentropic reference state or at a phase boundary. The general structure of the library is such that:

A small library of generic volume, pipe, pump and ambient models is provided in Modelica.Media.Examples.Tests.Components to demonstrate how fluid components should be implemented that are using Modelica.Media models. This library is also used to test all media models in Modelica.Media.Examples.Tests.MediaTestModels.


Name Description
 SimpleLiquidWater Example for Water.SimpleLiquidWater medium model
 IdealGasH2O IdealGas H20 medium model
 WaterIF97 WaterIF97 medium model
 MixtureGases Test gas mixtures
 MoistAir Example for moist air
 PsychrometricData Produces plot data for psychrometric charts
 TwoPhaseWater Extension of the StandardWater package
 ReferenceAir Examples for detailed dry air and moist air medium models
 R134a Examples for R134a
 SolveOneNonlinearEquation Demonstrate how to solve one non-linear algebraic equation in one unknown
 Utilities Functions, connectors and models needed for the media model tests
 TestOnly Examples to show the testing of media
 Tests Library to test that all media models simulate and fulfill the expected structural properties

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