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IMPACT OF THE GEOMETRY ON THE IMPROVEMENT OF THE THERMAL TRANSFER OF THE TURBULENT FLOWS

DOI: 10.1615/ICHMT.2009.HeatTransfGasTurbSyst.290
11 pages

Zineddine Ahmed Dellil
Déepartement ELM, Institut de Maintenance et de Sécurité Industrielle, Universitée Oran 2, Oran, Algeria

Abbes Azzi
Laboratory of Naval Aero-Hydrodynamic, Faculty of Mechanical Engineering, Oran University of Sciences and Technology, PO Box 1505, El-Mnaouar Oran, Algeria

要約

In this study we present a modelling of the transfer of heat by convection forced along a corrugated wall. A model of turbulent viscosity to two equations (two-layered model) is used. It consists in combining the standard model of turbulence k-ε far from the wall and a model with an equation for the resolution of the equations in the area in the vicinity of the wall. The results obtained shows that the number of Nusselt increases until reaching a breaking value, with an increase in the fall of pressure.

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