Article | Proceedings of the 9th International MODELICA Conference; September 3-5; 2012; Munich; Germany | HelmholtzMedia — A Fluid Properties Library

Title:
HelmholtzMedia — A Fluid Properties Library
Author:
Matthis Thorade: Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Germany Ali Saadat: Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Germany
DOI:
10.3384/ecp1207663
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Full text (pdf)
Year:
2012
Conference:
Proceedings of the 9th International MODELICA Conference; September 3-5; 2012; Munich; Germany
Issue:
076
Article no.:
006
Pages:
63-70
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2012-11-19
ISBN:
978-91-7519-826-2
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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HelmholtzMedia is a library for the calculation of fluid properties. It is implemented in Modelica and published under the Modelica license. All thermodynamic state properties and their partial derivatives are calculated from a Helmholtz energy equation of state. Further properties that can be calculated include surface tension; viscosity and thermal conductivity.

Keywords: fluid properties; equation of state; Helmholtz energy; partial derivatives; surface tension; viscosity; thermal conductivity

Proceedings of the 9th International MODELICA Conference; September 3-5; 2012; Munich; Germany

Author:
Matthis Thorade, Ali Saadat
Title:
HelmholtzMedia — A Fluid Properties Library
DOI:
http://dx.doi.org/10.3384/ecp1207663
References:
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[2] H. D. Baehr. “Thermodynamische Fundamentalgleichungen und charakteristische Funktionen”. In: Forschung im Ingenieurwesen 64.1 (1998); pp. 35–43. doi: 10.1007/PL00010764.
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[5] E. W. Lemmon; M. L. Huber; and M. O. McLinden. NIST Standard Reference Database 23: Reference Fluid Thermodynamic and Transport Properties - REFPROP. 9.0. National Institute of Standards and Technology; Standard Reference Data Program. Gaithersburg; 2010.
[6] G. R. Somayajulu. “A generalized equation for surface tension from the triple point to the critical point”. In: International Journal of Thermophysics 9.4 (1988); pp. 559–566. doi: 10.1007/BF00503154.
[7] R. Span. Multiparameter equations of state: an accurate source of thermodynamic property data. Springer Verlag; 2000. doi: 10.1007/978-3-662-04092-8.
[8] R. Span; W. Wagner; E. W. Lemmon; and R. T. Jacobsen. “Multiparameter equations of state — recent trends and future challenges”. In: Fluid Phase Equilibria 183-184.1-2 (2001); pp. 1–20. doi: 10.1016/S0378-3812(01)00416-2.
[9] M. Thorade. HelmholtzMedia. 2012. URL: https : / / github . com / thorade / HelmholtzMedia/.
[10] M. Thorade and A. Saadat. “Partial derivatives of thermodynamic state properties for dynamic simulation”. In: will be submitted to: Environmental Earth Sciences (2012).
[11] H. Tummescheit. Ticket 85: Re-design and simplification of Modelica.Media. 2008. URL: https://trac.modelica.org/Modelica/ticket/85.
[12] W. Wagner. Eine mathematisch statistische Methode zum Aufstellen thermodynamischer Gleichungen — gezeigt am Beispiel der Dampfdruckkurve reiner fluider Stoffe. Vol. 3. Fortschrittberichte der VDI Zeitschriften 39. VDI Verlag; 1974.
[13] W. Wagner and A. Pruß. “The IAPWS Formulation 1995 for the Thermodynamic Properties of Ordinary Water Substance for General and Scientific Use”. In: Journal of Physical and Chemical Reference Data 31.2 (2002); pp. 387–535. doi: 10.1063/1.1461829.

Proceedings of the 9th International MODELICA Conference; September 3-5; 2012; Munich; Germany

Author:
Matthis Thorade, Ali Saadat
Title:
HelmholtzMedia — A Fluid Properties Library
DOI:
http://dx.doi.org/10.3384/ecp1207663
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