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International Heat Transfer Conference 11

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

HEAT TRANSFER ON NON-POROUS AND POROUS SMOOTH END WALLS OF A LINEAR GUIDE VANE MODEL

Artem Khalatov
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine 2A Zhelyabov St., Kiev-57, 03057, Ukraine

DOI: 10.1615/IHTC11.1230
pages 511-516

Resumo

This paper deals with an experimental study of a local heat transfer and fluid flow structure over an end wall of a low speed large-scale linear guide vane of the actual aeroengine gas turbine. Effects of Reynolds number, span-to-pitch ratio, as well as inlet boundary layer thickness have been studied in the first stage of a programme to obtain the basic experimental correlation of a local heat transfer over a non-porous end wall. This Equation was used further as a reference correlation to establish effects of a coolant (air) injection through a porous end wall and streamwise turbulence both over a non-porous and porous surface. These two effects have been presented as linear correction functions in the basic experimental correlation for non-porous end wall.

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