Article | Proceedings of the 10<sup>th</sup> International Modelica Conference; March 10-12; 2014; Lund; Sweden | Proposal for standardization of Heat Transfer Modelling in NewThermal Library
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Title:
Proposal for standardization of Heat Transfer Modelling in NewThermal Library
Author:
Susana López: I√Īaki Goenaga, Eibar, Gipuzkoa, Spain Itzal del Hoyo: I√Īaki Goenaga, Eibar, Gipuzkoa, Spain
DOI:
10.3384/ecp140961189
Download:
Full text (pdf)
Year:
2014
Conference:
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
Issue:
096
Article no.:
125
Pages:
1189-1194
No. of pages:
6
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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This article presents the NewThermal library that extends the capacities of Thermal library from the Modelica Standard Library (MSL) including a proposal for standardizing the use of Material models. The new library is intended to decouple the models that collect the equations of heat transfer phenomena from the thermo-physical properties of the matters (fluids and solids).

The NewThermal library; in the same way that the current Thermal library from MSL; is composed of thermal system components to model heat transfer and simple thermo-fluid pipe flow. Nevertheless; the models from the package proposed inherit the thermal properties from Media and Material models of the fluids and solids involved (either temperature dependent or constant). In this way; the user has three aspects to define; the heat transfer phenomena to be modelled; the geometrical characteristics of the bodies; and the matters involved.

Components inside HeatTransfer package are implemented such they can be used for any material model in Materials package; in the same way that components from Modelica.Fluid were carried out for their use with media models from Modelica.Media.

The NewThermal library; in addition; provides some general base models for the modelling of 2D and 3D heat conduction in basic solid geometries.

Two examples of use for different domains are presented to illustrate the features of the new libraries.

Keywords: Modelica; heat transfer; thermal properties; thermal conduction; three dimensional heat flow

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

Author:
Susana López, Itzal del Hoyo
Title:
Proposal for standardization of Heat Transfer Modelling in NewThermal Library
DOI:
http://dx.doi.org/10.3384/ecp140961189
References:

[1] Modelica Association, (2012). A Unified Object-Oriented Language for Physical System Modeling, Modelica¬ģ

[2] Franke R., Casella F, et all. Standardization of Thermo-Fluid Modeling in Modelica. Fluid. Como, Italy, 7th Modelica Conference

[3] Tiller M. Introduction to Physical Modeling with Modelica. Kluwe Academic Publisher

[4] Chapman A., Fundamentals of Heat Transfer. Macmillan

[5] Incorpera F.P., DeWitt D.P. Fundamentals of Heat Transfer, John Wiley & Sons Inc.

[6] Howell J.R., Siegel R., Pinar Meng√ľ?. Thermal Radiation Heat Transfer. CRC Press Taylor & Francis Group

[7] ASHRAE Handbook: Heating, Ventilating& Air-Conditioning Systems; 2008

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

Author:
Susana López, Itzal del Hoyo
Title:
Proposal for standardization of Heat Transfer Modelling in NewThermal Library
DOI:
http://dx.doi.org/10.3384/ecp140961189
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