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TECHNICAL BRIEFS

Pressure Loss Coefficient of Impingement Cooled Leading Edge System of a Turbine Blade

[+] Author and Article Information
D. K. Mukherjee

Gas Turbine Department, Brown Boveri & Company Ltd, Baden/Oerlikon

J. Eng. Power 98(4), 554-556 (Oct 01, 1976) (3 pages) doi:10.1115/1.3446236 History: Received July 08, 1976; Online July 14, 2010

Abstract

The pressure loss coefficient of an impingement cooled system similar to that often used to cool the leading edge of a turbine blade has been determined from model test. The influence of Reynolds number in the range tested is negligible. However, the influence of relative distance of the jet holes from the surface to be cooled is very significant.

Copyright © 1976 by ASME
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