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Chute de pression dans un microcanal dont les parois sont soumises à des injections.

Pressure drop in microchannel subjected to wall injection.

Auteurs : NOURI-BORUJERDI A.

Résumé

Analytical analysis of fluid flow in a long cylindrical microchannel subjected to a uniform wall injection at various radial Reynolds numbers is presented. The governing partial differential equations have been transformed to a set of ordinary differential equations under some conditions. Then the equations are solved using the series solution method. The results show that radial velocity after injection reaches its maximum value at about 80% of channel radius and after that it decreases gradually to zero at the centre. The trends of axial velocity distribution at different radial Reynolds number are the same and the discrepancies among them start at the middle of the channel radius where the effect of viscose flow adjacent to the wall is much higher than that of the usual fluid flow in large channels.

Détails

  • Titre original : Pressure drop in microchannel subjected to wall injection.
  • Identifiant de la fiche : 2006-1679
  • Langues : Anglais
  • Source : ICERD-3. Third International Conference on Energy Research and Development [2 volumes + CD-ROM].
  • Date d'édition : 21/11/2005

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