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Numerical modelling of rigid media evaporative cooler.

Modélisation numérique d'un refroidisseur à évaporation rigide.


Type d'article : Article


In this study, the performance of rigid media evaporative cooler, equipped with corrugated papers as a wetted medium, was mathematically modelled. The governing equations of air were solved using finite difference analysis and the projection algorithm. Saturation efficiency and pressure drop as functions of air velocity and media depth were calculated. Effects of corrugation shape, mean plate space, Reynolds number and Prandtl number were also considered. Analysis of the results showed that efficiency improves with decreasing velocity and increasing depth of media. Pressure drop increases with increase of both velocity and media depth. In addition, efficiency becomes approximately independent of velocity with increasing depth to a certain value. The results obtained were compared with those of channel flow and showed that, corrugating one side of the channel at high velocity, can improve efficiency by 40%. [Reprinted with permission from Elsevier. Copyright, 2005].


  • Titre original : Numerical modelling of rigid media evaporative cooler.
  • Identifiant de la fiche : 2006-2387
  • Langues : Anglais
  • Source : Applied thermal Engineering - vol. 26 - n. 5-6
  • Date d'édition : 04/2006


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