Cell-based dynamic heat exchanger models-Direct determination of the cell number and size

Petar Sabev Varbanov, Jiří Jaromír Klemeš, Ferenc Friedler

Research output: Contribution to journalArticle

17 Citations (Scopus)


Large amounts of thermal energy are transferred between fluids for heating or cooling in industry as well as in the residential and service sectors. Typical examples are crude oil preheating, ethylene plants, pulp and paper plants, breweries, plants with exothermic and endothermic reactions, space heating, and cooling or refrigeration of food and beverages. Heat exchangers frequently operate under varying conditions. Their appropriate use in flexible heat exchanger networks as well as maintenance/reliability related calculations requires adequate models for estimating their dynamic behaviour. Cell-based dynamic models are very often used to represent heat exchangers with varying arrangements. The current paper describes a direct method and a visualisation technique for determining the number of the modelling cells and their size.

Original languageEnglish
Pages (from-to)943-948
Number of pages6
JournalComputers and Chemical Engineering
Issue number5
Publication statusPublished - May 11 2011


  • Cell models
  • Controllability
  • Dynamic heat exchanger modelling
  • Heat exchanger networks

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Computer Science Applications

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