New Techniques for Measuring Film Cooling Effectiveness
- 1 November 1975
- journal article
- Published by ASME International in Journal of Heat Transfer
- Vol. 97 (4) , 539-543
- https://doi.org/10.1115/1.3450425
Abstract
Techniques to measure local film effectiveness distributions on large-scale models of turbine blade and vane sections were developed for use in subsonic, room-temperature wind-tunnel environments. Highly detailed film cooling effectiveness distributions were obtained on near-adiabatic, cast rigid foam test models using infrared radiometer scanning techniques. Sample results from both flat-plate film cooling studies and airfoil leading-edge film cooling studies are presented.Keywords
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