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Dynamic object-oriented heat exchanger models for simulation of fluid property transitions

Författare

Summary, in English

Object-oriented heat exchanger models were developed to simulate the dynamic thermal effects of dynamic changes in fluid composition and thus of fluid properties in a type of liquid typical for food products. The models were written in the object-oriented language Modelica as objects in a library structure being developed to simulate complex liquid food process lines and their control systems. The models were based on moderate discretization of the heat exchanger into control volumes, and the fluid dispersion was modelled either as ideal mixing or as transport delay in each control volume. The transport delay model exhibited the best computational performance as well as affording flexibility in fluid dispersion modelling. (

Avdelning/ar

Publiceringsår

2006

Språk

Engelska

Sidor

2291-2303

Publikation/Tidskrift/Serie

International Journal of Heat and Mass Transfer

Volym

49

Issue

13-14

Dokumenttyp

Artikel i tidskrift

Förlag

Pergamon Press Ltd.

Ämne

  • Control Engineering
  • Food Engineering

Nyckelord

  • fluid property transitions
  • heat exchanger
  • dynamic model
  • liquid food
  • object-oriented
  • dispersion

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0017-9310