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Heat Transfer Research
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ISSN Print: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v31.i6-8.60
pages 414-418

Influence of the Inlet Velocity Profile on the Efficiency of Film Cooling

V. A. Kudryavtsev
Central Institute of Aircraft Engine Manufacturing, Moscow, Russia
A. I. Mayorova
P. I. Baranov Central Scientific Research Institute of Aircraft Engines, Moscow, Russian Federation

ABSTRACT

A length of the initial section of an element of the system of film cooling in a uniform velocity profile formed under real conditions at the outlet from the mixing device is studied. It is shown that efficiency of film cooling is determined by the profile of its averaged velocity rather than by the level of turbulence of a cooling flow.