Effects of hole geometry and density on three-dimensional film cooling

@article{Goldstein1974EffectsOH,
  title={Effects of hole geometry and density on three-dimensional film cooling},
  author={R. Goldstein and E. Eckert and F. Burggraf},
  journal={International Journal of Heat and Mass Transfer},
  year={1974},
  volume={17},
  pages={595-607}
}
Abstract Film cooling downstream of secondary gas injection through discrete holes has been studied experimentally. The influences of hole geometry, secondary fluid density, and mainstream boundary layer thickness are described. Significant improvements in the film cooling effectiveness are observed by having the coolant passages widened before the exit of the secondary fluid. The use of a relatively dense secondary fluid, as might be encountered in many applications, requires a significantly… Expand
A REVIEW OF HOLE GEOMETRY AND COOLANT DENSITY EFFECT ON FILM COOLING
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