Some aspects of the modeling of tube-and-shell heat-exchangers

Anton Sodja
Fakulteta za elektrotehniko, Univerza v Ljubljani, Sloveniena

Borut Zupancic
Fakulteta za elektrotehniko, Univerza v Ljubljani, Sloveniena

Janko Sink
Izoteh d.o.o. ,Sloveniena

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp09430101

Ingår i: Proceedings of the 7th International Modelica Conference; Como; Italy; 20-22 September 2009

Linköping Electronic Conference Proceedings 43:84, s. 716-721

Visa mer +

Publicerad: 2009-12-29

ISBN: 978-91-7393-513-5

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


Modern control design of large industrial plants relies strongly on modelling; while experimentation on the real system is extremely limited. The usable model should be intuitive and easily reusable to model potential plant adaptations or similar plants.

In this paper some aspects of the modelling a recuperator plant consisting of four heat exchangers are presented. With the object-oriented modelling tool Dymola; using Modelica as a modelling language; the building of clear; intuitive and reusable model of basic; but most important plant’s blocks; heat exchangers is enabled. However; the proposed model of heat exchanger proved to be intrinsically stiff and therefor at the moment problematic to be used as a submodel of more complex models.


Recuperator; heat exchanger; tube-andshell; cross-flow; object-oriented modelling


[1] Elmqvist H; Tummescheit H and Otter M. Object-Oriented Modeling of Thermo-Fluid Systems. In: Proceedings of the 3rd International Modelica Conference 2003; Linköpig; Sweden.

[2] Modelica Association; Modelica_Fluid Users Guide; http://www.modelica.org/libraries/Modelica_Fluid; 2009.

[3] Casella F; Leva A. Modelica open library for power plant simulation: design and experimental validation. In: Proceedings of the 3rd International Modelica Conference 2003; Linköpig; Sweden.

[4] T. W. F .Russell; A. S. Robinson and N. J. Wagner; Mass and Heat Transfer. Cambridge University Press; 2008.

[5] T. Kupran; Heat Exchanger design handbook. Taylor & Francis; 2000.

[6] Modelica Association; Modelica - A Unified Object-Oriented Language for Physical Systems Modeling. Language Specification; version 3.0; 2007.

[7] K. Sørensen; N. Houbak; T. Condra; Solving differential–algebraic equation systems by means of index reduction methodology. Simulation Modelling Practice and Theory; Simulation Modelling Practice and Theory. Volume 14; Issue 3. April 2006; pages 224-236. doi: 10.1016/j.simpat.2005.05.002.

Citeringar i Crossref