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The effect of flow transition on the dynamic and thermal performance of a scraped surface heat exchanger.

Incidence du seuil d'écoulement sur les performances dynamiques et thermiques de l'échangeur de chaleur à surface raclée.

Author(s) : NAIMI M., DEVIENNE R., LEBOUCHE M.

Type of article: Article

Summary

A dynamic and thermal study of Herschel-Bulkley fluid flow in an annular space with a rotating inner cylinder, is investigated. It clearly identifies the effect of transition on the distribution of velocities, hydrodynamic stability and heat transfer. When the rotating cylinder is equipped with scraper blades, thermal transfer is greatly increased and thermodependent behaviour is no longer observed.

Details

  • Original title: Incidence du seuil d'écoulement sur les performances dynamiques et thermiques de l'échangeur de chaleur à surface raclée.
  • Record ID : 1993-3279
  • Languages: French
  • Source: International Journal of Heat and Mass Transfer - vol. 36 - n. 5
  • Publication date: 1993/03

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