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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 60, 2011 - Issue 8
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Original Articles

Heat Transfer in Separated Flows on the Pressure Side of Turbine Blades

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Pages 666-684 | Received 25 Oct 2010, Accepted 06 Aug 2011, Published online: 03 Nov 2011
 

Abstract

Heat transfer in separated flows on the pressure side of a typical high lift turbine profile is numerically investigated by means of an in-house CFD code. The numerical code was first validated on attached flows in turbine blades. To obtain flow separation cases, the profile is subject to large negative incidences so that a separation bubble is obtained at the pressure side. The numerical results are compared to available experimental data for code validation. It is shown how local minima and maxima values of the heat transfer coefficient are related to the separation and reattachment points, where the velocity component perpendicular to the wall is shown to have a significant effect on the heat transfer.

Acknowledgments

This material is based upon work funded by the Commission of the European Communities under contract G4RD-CT-1999-00055.

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