Article | Proceedings of the 10<sup>th</sup> International Modelica Conference; March 10-12; 2014; Lund; Sweden | A Medium Model for the Refrigerant Propane for Fast and Accurate Dynamic Simulations
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Title:
A Medium Model for the Refrigerant Propane for Fast and Accurate Dynamic Simulations
Author:
Roozbeh Sangi: Institute for Energy Efficient Buildings and Indoor Climate, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany Pooyan Jahangiri: Institute for Energy Efficient Buildings and Indoor Climate, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany Freerk Klasing: Institute for Energy Efficient Buildings and Indoor Climate, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany Rita Streblow: Institute for Energy Efficient Buildings and Indoor Climate, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany Dirk Müller: Institute for Energy Efficient Buildings and Indoor Climate, E.ON Energy Research Center, RWTH Aachen University, Aachen, Germany
DOI:
10.3384/ecp140961271
Download:
Full text (pdf)
Year:
2014
Conference:
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
Issue:
096
Article no.:
135
Pages:
1271-1275
No. of pages:
5
Publication type:
Abstract and Fulltext
Published:
2014-03-10
ISBN:
978-91-7519-380-9
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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Investigating the use of different fluids and their advantages in new energy systems has increased the need for faster and more robust simulation models. The need to explore the potential of new fluids in different systems requires dynamic simulations for longer periods of time. In this paper; development of a medium model for propane is discussed. Besides being fast and accurate; the propane model should also be stable in different dynamic simulation scenarios.

First; existing libraries are tested and in some cases modified to increase the stability. Since the simulation speeds were not in an acceptable range in the existing models; a new propane model is introduced. The new model is then tested as a refrigerant in a direct exchange heat pump system. A comparison between an existing propane model and the new model shows that much faster simulations; up to 35 times; are possible with the new propane model.

Keywords: Media Library; Propane; Refrigerant; Helmholtz Media

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Roozbeh Sangi, Pooyan Jahangiri, Freerk Klasing, Rita Streblow, Dirk Müller
Title:
A Medium Model for the Refrigerant Propane for Fast and Accurate Dynamic Simulations
DOI:
http://dx.doi.org/10.3384/ecp140961271
References:

[1] C. Heinrich, K. Berthold ‚ÄúA Modelica Library for Simulation of Household Refrigeration Appliances Features and Experiences‚ÄĚ. In: Proceedings of the 5th International Modelica Conference, 2006, pp. 677-684.

[2] T. Pfafferott, G. Schmitz ‚ÄúModeling and Simulation of Refrigeration Systems with the Natural Refrigerant CO2‚ÄĚ In: Proceesings of the International Refrigeration and Air Conditioning Conference, 2002.

[3] T. Pfafferott, G. Schmitz ‚Äú Implementation of a Modelica Library for Simulation of Refrigeration Systems‚ÄĚ In: Proceedings of the 3rd International Modelica Conference, 2003, pp. 197-206.

[4] I. Bell, S. Quoilin, J. Wronski, V. Lemort ‚ÄúCoolProp: An Open-Source Reference-Quality Thermophysical Property Library‚ÄĚ In: 2nd ASME ORC International eminar, 2013.

[5] M. Thorade, A. Saadat ‚ÄúPartial Derivatives of Thermodynamic State Properties for Dynamic Simulation‚ÄĚ. In: Environmental Earth Sciences (online first), 2012. DOI:
10.1007/s12665-013-2394-z.

[6] M. Thorade, A. Saadat ‚ÄúHelmholtzMedia ‚Äď A Fluid Properties Library‚ÄĚ. In: Proceedings of the 9th International Modelica Conference, 2012, pp. 63-69. DOI: 10.3384/ecp1207663

[7] E. W. Lemmon, M. O. McLinden, W. Wagner ‚ÄúThermodynamic Properties of Propane. III. A Reference Equation of State for Temperature from Melting Line to 650 K and Pressures up tp 1000 MPa‚ÄĚ. In: Journal of Chemical Engineering Data 54, 2009, pp. 3141-3180.

[8] K. Lucas, ‚ÄúThermodynamik, Die Grundgesetze der Energie- und Stoffumwandlungen‚ÄĚ, Sprinter Verlag Berlin, 7. Edition, 2008. ISBN-13: 9783540686453

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Roozbeh Sangi, Pooyan Jahangiri, Freerk Klasing, Rita Streblow, Dirk Müller
Title:
A Medium Model for the Refrigerant Propane for Fast and Accurate Dynamic Simulations
DOI:
http://dx.doi.org/10.3384/ecp140961271
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