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Performance et analyse de la conception optimale des nappes de tubes à ailettes fixés sur des surfaces plates ou en courbe.

Performance and optimum design analysis of convective fin arrays attached to flat and curved primary surfaces.

Auteurs : KUNDU B., DAS P. K.

Type d'article : Article, Article de la RIF

Résumé

A model has been developed analytically to carry out the performance and optimum design analysis of four fin arrays, namely, longitudinal rectangular fin array, annular rectangular fin array, longitudinal trapezoidal fin array and annular trapezoidal fin array under convective cooling conditions. The performance parameters such as fin efficiency, fin effectiveness and augmentation factor are evaluated for a wide range of design variables. It has been observed that the conduction through the supporting structure and the convection from the interfin spacing have a pronounced effect on the performance of a fin array. The optimum fin dimensions in a fin assembly have been determined by consideration of the constant total height of the fin assembly and interfin spacing. From the results, it can be highlighted that the optimum fin dimensions in fin arrays differ from that of the individual fins.

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Format PDF

Pages : 430-443

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    20 €

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Détails

  • Titre original : Performance and optimum design analysis of convective fin arrays attached to flat and curved primary surfaces.
  • Identifiant de la fiche : 2009-0549
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 3
  • Date d'édition : 05/2009

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