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TURBINE-09. Proceedings of International Symposium on Heat Transfer in Gas Turbine Systems
August, 9-14, 2009, Antalya, Turkey

DOI: 10.1615/ICHMT.2009.HeatTransfGasTurbSyst


ISBN Print: 978-1-56700-263-8

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

page 11
DOI: 10.1615/ICHMT.2009.HeatTransfGasTurbSyst.290
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RESUMO

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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