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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1997, Vol. 18 ›› Issue (5): 535-538.

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FILM COOLING EXPERIMENTAL INVESTIGATION OF A ROW OF DUST PAN SHAPED HOLES

Zhu Huiren, Xu Duchun, Liu Songling, Wang Baolong   

  1. Faculty 706, Northwestern Polytechnical University, Xi'an, 710072
  • Received:1997-01-28 Revised:1997-04-10 Online:1997-10-25 Published:1997-10-25

Abstract:

Film cooling of a row of five dust pan shaped holes has been studied experimentally. Local heat transfer coefficients and film cooling effectiveness of downstream of holes row were measured and the influences of jet Reynolds number and blowing rate are described. The ranges of these parameters are: the jet Reynolds number from 10 000 to 25 000 and blowing rate from 0.3 to 2.0. Measurement was performed for 26 conditions.

Key words: dust-pan shaped hole, film cooling, heat transfer

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