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This paper presents an optimization methodology for the design of fin louvers of compact heat exchangers based on 2-D CFD calculations. The mesh generation and its automatization is described. The validation of the methodology and the results of this validation are presented. Finally, an example of application is given.

The first part of this article describes the different condenser technologies. Thereafter, the replacement of R12 refrigerant by R134a is studied. The modelling and computation are described. The results of parallel flow condenser simulations are compared with experimental test results in order to establish the validity of the model.