Document IIF

Outil de simulation et de conception pour les condenseurs à serpentin.

A simulation and design tool for wire-and-tube condensers.


This paper introduces a simulation tool that can be used to design, model and optimize wire-and-tube condensers used in refrigeration appliances. The model is capable of accounting for natural convection and forced convection heat transfer on the air side. A segment-by-segment modelling approach within each tube is implemented to account for heterogeneous refrigerant flow patterns through the tubes and to account for two dimensional non-uniformity of air distribution across forced convection wire-and-tube condensers. The segment-by-segment approach also allows for the modelling of variable fin densities along the tubes. A subdivided segment model is developed in order to address the significant change of refrigerant properties that can take place between the single and two-phase flow regimes within a segment. A variety of working fluids can be modelled, and a variety of built-in correlations for heat transfer coefficient and friction factor are available. Object-oriented programming techniques are employed to create a highly flexible and customizable design platform, as well as a user-friendly graphic interface. The predictions of the model are verified using experimentally determined data for R134a.

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Pages : 2005-3


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  • Titre original : A simulation and design tool for wire-and-tube condensers.
  • Identifiant de la fiche : 2006-0720
  • Langues : Anglais
  • Source : Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
  • Date d'édition : 30/08/2005


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