Film cooling with injection through holes: Adiabatic wall temperatures downstream of a circular hole

R. J. Goldstein; E. R.G. Eckert; J. W. Ramsey

doi:10.1115/1.3609223

Film cooling with injection through holes: Adiabatic wall temperatures downstream of a circular hole

R. J. Goldstein, E. R.G. Eckert, J. W. Ramsey

Mechanical Engineering

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Abstract

An experimental investigation has been conducted to determine the film cooling effectiveness with injection of air through a discrete hole into a turbulent boundary layer of air on a flat plate. The secondary air enters at either an angle of 35 deg or an angle of 90 deg to the main flow. The film cooling effectiveness is found to be considerably different from that obtained in previous studies in which the secondary fluid was introduced through a continuous slot.

Original language	English (US)
Pages (from-to)	384-393
Number of pages	10
Journal	Journal of Engineering for Gas Turbines and Power
Volume	90
Issue number	4
DOIs	https://doi.org/10.1115/1.3609223
State	Published - Jan 1 1968

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Film cooling with injection through holes: Adiabatic wall temperatures downstream of a circular hole

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