lib.mEoS.Ar
===========

Fluid info
----------

* CAS Number: 7440-37-1
* Formula: Ar
* Synonym: R-740
* Molecular weigth: 39.948 g/mol
* Tc:  150.6870 K
* Pc:  4.8630 MPa
* ρc:  535.6000 kg/m³
* Tt:  83.8058 K
* Tb:  87.3020 K
* Acentric factor: -0.00219
* Dipole moment:  0.0 Debye

Equation of state
-----------------

* Tegeler, Ch., Span, R., Wagner, W.; A New Equation of State for Argon Covering the Fluid Region for Temperatures From the Melting Line to 700 K at Pressures up to 1000 MPa. J. Phys. Chem. Ref. Data 28, 779 (1999), http://dx.doi.org/10.1063/1.556037
* Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)
* Kunz, O., Wagner, W.; The GERG-2008 Wide-Range Equation of State for Natural Gases and Other Mixtures: An Expansion of GERG-2004. J. Chem.Eng. Data 57(11) (2012) 3032-3091, http://dx.doi.org/10.1021/je300655b
* Stewart, R.B., Jacobsen, R.T.; Thermodynamic Properties of Argon from the Triple Point to 1200 K at Pressures to 1000 MPa. J. Phys. Chem. Ref. Data, 18(2):639-798, 1989, http://dx.doi.org/10.1063/1.555829
* Span, R., Wagner, W.; Equations of state for technical applications. II. Results for nonpolar fluids.. Int. J. Thermophys. 24 (1) (2003) 41-109, http://dx.doi.org/10.1023/A:1022310214958


Viscosity
---------

* Lemmon, E.W., Jacobsen, R.T.; Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air. Int. J. Thermophys., 25(1) (2004) 21-69, http://dx.doi.org/10.1023/B:IJOT.0000022327.04529.f3

* Younglove, B.A., Hanley, H.J.M.; The Viscosity and Thermal Conductivity Coefficients of Gaseous and Liquid Argon. J. Phys. Chem. Ref. Data 15(4) (1986) 1323-1337, http://dx.doi.org/10.1063/1.555765

* Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)

Thermal Conductivity
--------------------

* Lemmon, E.W., Jacobsen, R.T.; Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air. Int. J. Thermophys., 25(1) (2004) 21-69, http://dx.doi.org/10.1023/B:IJOT.0000022327.04529.f3

* Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)

* Perkins, R.A., Friend, D.G., Roder, H.M., Nieto de Castro, C.A.; Thermal Conductivity Surface of Argon: A Fresh Analysis. Int. J. Thermophys., 12(6) (1991) 965-984, http://dx.doi.org/10.1007/BF00503513

* Younglove, B.A., Hanley, H.J.M.; The Viscosity and Thermal Conductivity Coefficients of Gaseous and Liquid Argon. J. Phys. Chem. Ref. Data 15(4) (1986) 1323-1337, http://dx.doi.org/10.1063/1.555765


Calculation example
-------------------

Using the first option for equation of state, we can get this diagram plots with the liquid-gas saturation region:

.. image:: images/Ar.png

The diagram is generated with :download:`this module <../.script/plotMEoS.py>` running with the compound name as parameter or edited in file

.. code-block:: bash

    python3 plotMEoS.py Ar