lib.mEoS.NH3
============

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

* CAS Number: 7664-41-7
* Formula: NH3
* Synonym: R-717
* Molecular weigth: 17.03026 g/mol
* Tc:  405.4000 K
* Pc:  11.3330 MPa
* ρc:  225.0000 kg/m³
* Tt:  195.4900 K
* Tb:  239.8230 K
* Acentric factor: 0.256
* Dipole moment:  1.4700 Debye

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

* Gao, K., Wu, J., Bell, I.H., Harvey, A.H., Lemmon E.W.; A Reference Equation of State with an Associating Term for the Thermodynamic Properties of Ammonia. J. Phys. Chem. Ref. Data 52 (2023) 013102, http://dx.doi.org/10.1063/5.0128269
* Baehr, H.D., Tillner-Roth, R.; Thermodynamic Properties of Environmentally Acceptable Refrigerants: Equations of State and Tables for Ammonia, R22, R134a, R152a, and R123. Springer-Verlag, Berlin, 1994., http://dx.doi.org/10.1007/978-3-642-79400-1
* Ahrendts, J., Baehr, H.D.; The Thermodynamic Properties of Ammonia. VDI-Forsch., Number 596, 1979.
* Span, R., Wagner, W.; Equations of State for Technical Applications. III. Results for Polar Fluids. Int. J. Thermophys., 24(1) (2003) 111-162, http://dx.doi.org/10.1023/A:1022362231796
* Sun, L., Ely, J.F.; Universal equation of state for engineering application: Algorithm and  application to non-polar and polar fluids. Fluid Phase Equilib., 222-223 (2004) 107-118, http://dx.doi.org/10.1016/j.fluid.2004.06.028


Viscosity
---------

* Monogenidou, S.A., Assael, M.J., Huber, M.L.; Reference Correlation for the Viscosity of Ammonia from the Triple Point to 725K and up to 50 MPa. J. Phys. Chem. Ref. Data 47(2) (2018) 023102, http://dx.doi.org/10.1063/1.5036724

* Fenghour, A., Wakeham, W.A., Vesovic, V., Watson, J.T.R., Millat, J., Vogel, E.; The Viscosity of Ammonia. J. Phys. Chem. Ref. Data 24(5) (1995) 1649-1667, http://dx.doi.org/10.1063/1.555961

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

* Monogenidou, S.A., Assael, M.J., Huber, M.L.; Reference Correlations for the Thermal Conductivity of Ammonia from the Triple Point to 680 K and Pressures up to 80 MPa. J. Phys. Chem. Ref. Data 47(4) (2018) 043101, http://dx.doi.org/10.1063/1.5053087

* Tufeu, R., Ivanov, D.Y., Garrabos, Y., Le Neindre, B.; Thermal Conductivity of Ammonia in a Large Temperature and Pressure Range Including the Critical Region. Ber. Bunsenges. Phys. Chem. 88 (1984) 422-427, http://dx.doi.org/10.1002/bbpc.19840880421


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

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

.. image:: images/NH3.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 NH3