Conference article

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

Download articlehttp://dx.doi.org/10.3384/ecp09430101

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

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

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Published: 2009-12-29

ISBN: 978-91-7393-513-5

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

Abstract

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.

Keywords

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

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