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RESEARCH PAPERS

Short-Duration Measurements and Numerical Simulation of Heat Transfer Along the Suction Side of a Film-Cooled Gas Turbine Blade

[+] Author and Article Information
C. Camci, T. Arts

von Karman Institute for Fluid Dynamics, B-1640 Rhode Saint Genèse, Belgium

J. Eng. Gas Turbines Power 107(4), 991-997 (Oct 01, 1985) (7 pages) doi:10.1115/1.3239846 History: Received December 27, 1984; Online October 15, 2009

Abstract

This paper deals with an experimental investigation of heat transfer across the suction side of a high-pressure, film-cooled gas turbine blade and with an attempt to numerically predict this quantity both with and without film cooling. The measurements were performed in the VKI isentropic compression tube facility under well-simulated gas turbine conditions. Data measured in a stationary frame, with and without film cooling, are presented. The predictions of convective heat transfer, including streamwise curvature effects, are compared with the measurements. A new approach to determine the augmented mixing lengths near the ejection holes on a highly convex wall is discussed and numerical results agree well with experimentally determined heat transfer coefficients in the presence of film cooling.

Copyright © 1985 by ASME
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