Prediction of strongly-heated internal gas flows

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Description

The purposes of the present article are to remind practitioners why the usual textbook approaches may not be appropriate for treating gas flows heated from the surface with large heat fluxes and to review the successes of some recent applications of turbulence models to this case. Simulations from various turbulence models have been assessed by comparison to the measurements of internal mean velocity and temperature distributions by Shehata for turbulent, laminarizing and intermediate flows with significant gas property variation. Of about fifteen models considered, five were judged to provide adequate predictions.

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15 p.

Creation Information

McEligot, D. M.; Shehata, A. M. & Kunugi, Tomoaki December 31, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • McEligot, D. M. Lockheed Martin Idaho Technologies Co., Idaho Falls, ID (United States). Idaho National Engineering and Environmental Lab.
  • Shehata, A. M. Xerox Corp., Webster, NY (United States)
  • Kunugi, Tomoaki Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan)

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Description

The purposes of the present article are to remind practitioners why the usual textbook approaches may not be appropriate for treating gas flows heated from the surface with large heat fluxes and to review the successes of some recent applications of turbulence models to this case. Simulations from various turbulence models have been assessed by comparison to the measurements of internal mean velocity and temperature distributions by Shehata for turbulent, laminarizing and intermediate flows with significant gas property variation. Of about fifteen models considered, five were judged to provide adequate predictions.

Physical Description

15 p.

Notes

INIS; OSTI as DE98054123

Source

  • 2. turbulent heat transfer, Manchester (United Kingdom), 1-5 Jun 1998

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  • Other: DE98054123
  • Report No.: INEEL/CON--97-01336
  • Report No.: CONF-980662--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 639723
  • Archival Resource Key: ark:/67531/metadc691775

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 31, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • May 18, 2016, 5:15 p.m.

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McEligot, D. M.; Shehata, A. M. & Kunugi, Tomoaki. Prediction of strongly-heated internal gas flows, article, December 31, 1997; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc691775/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.