Measurements of mean flow and eddy transport over a film cooling surface

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Results of an experimental study of the effects of blowing Velocity Ratio (VR = 0.5 and 1.0) and Free-Stream Turbulence Intensity (FSTI = 0.5% and 12%) on turbulent transport over a film-cooling test surface are presented. The surface has a single lateral row of streamwise-oriented holes angled 35{degree} from the surface and separated from one another by three hole diameters. The film cooling flow and mainstream flow are at the same temperature and the film cooling is supplied through long delivery tubes. Velocity, turbulence intensity and eddy transport profiles are presented. The ratios of lateral eddy diffusivity to wall-normal eddy ... continued below

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11 p.

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Wang, L.; Tsang, H.; Simon, T. & Eckert, E. May 1, 1996.

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Description

Results of an experimental study of the effects of blowing Velocity Ratio (VR = 0.5 and 1.0) and Free-Stream Turbulence Intensity (FSTI = 0.5% and 12%) on turbulent transport over a film-cooling test surface are presented. The surface has a single lateral row of streamwise-oriented holes angled 35{degree} from the surface and separated from one another by three hole diameters. The film cooling flow and mainstream flow are at the same temperature and the film cooling is supplied through long delivery tubes. Velocity, turbulence intensity and eddy transport profiles are presented. The ratios of lateral eddy diffusivity to wall-normal eddy diffusivity values measured in this program (4-15) provide documentation of strong anisotropy of eddy transport in the flow.

Physical Description

11 p.

Notes

OSTI as DE96009235

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  • 31. national heat transfer conference, Houston, TX (United States), 3-6 Aug 1996

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  • Other: DE96009235
  • Report No.: DOE/MC/29061--96/C0692
  • Report No.: CONF-960815--5
  • Grant Number: FC21-92MC29061
  • DOI: 10.2172/251410 | External Link
  • Office of Scientific & Technical Information Report Number: 251410
  • Archival Resource Key: ark:/67531/metadc665629

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • May 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 24, 2015, 12:09 p.m.

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Wang, L.; Tsang, H.; Simon, T. & Eckert, E. Measurements of mean flow and eddy transport over a film cooling surface, report, May 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc665629/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.