Package Contents

	Air_ph ReferenceAir.Air_ph: Detailed dry air model (130 ... 2000 K) explicit in p and h
	Air_pT ReferenceAir.Air_pT: Detailed dry air model (130 ... 2000 K) explicit in p and T
	Air_dT ReferenceAir.Air_dT: Detailed dry air model (130 ... 2000 K) explicit in d and T
	Air_Base Properties of dry air calculated using the equation of state by Lemmon et. al.
	Air_Utilities Low level and utility computation for high accuracy dry air properties

airConstants	Value: Type: FluidConstants

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Calculation of fluid properties of air in the fluid region of 130 Kelvin to 2000 Kelvin at pressures up to 2000 MPa. To use this package in your model, select Air_dT, Air_pT or Air_ph according to which variables you choose to determine your state.

Restriction

The functions provided by this package shall be used inside of the restricted limits according to the referenced literature.

p ≤ 2000 MPa
130 K ≤ T ≤ 2000 K

References

Lemmon, E. W., Jacobsen, R. T., Penoncello, S. G., Friend, D. G.:: Thermodynamic Properties of Air and Mixtures of Nitrogen, Argon, and Oxygen From 60 to 2000 K at Pressures to 2000 MPa. J. Phys. Chem. Ref. Data, Vol. 29, No. 3, 2000.
Lemmon, E. W., Jacobsen, R. T.:: Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air. International Journal of Thermophysics, Vol. 25, No. 1, January 2004

Verification

The verification report for the development of this library is provided here.

Acknowledgment

This library was developed by XRG Simulation GmbH as part of the Clean Sky JTI project (Project title: MoMoLib-Modelica Model Library Development for Media, Magnetic Systems and Wavelets; Project number: 296369; Theme: JTI-CS-2011-1-SGO-02-026: Modelica Model Library Development Part I). The partial financial support for the development of this library by the European Union is highly appreciated.

Some parts of this library refer to the ThermoFluid library developed at Lund University (http://thermofluid.sourceforge.net).