Mechanistic modeling of CHF in forced-convection subcooled boiling

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Because of the complexity of phenomena governing boiling heat transfer, the approach to solve practical problems has traditionally been based on experimental correlations rather than mechanistic models. The recent progress in computational fluid dynamics (CFD), combined with improved experimental techniques in two-phase flow and heat transfer, makes the use of rigorous physically-based models a realistic alternative to the current simplistic phenomenological approach. The objective of this paper is to present a new CFD model for critical heat flux (CHF) in low quality (in particular, in subcooled boiling) forced-convection flows in heated channels.

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11 p.

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Podowski, M.Z.; Alajbegovic, A.; Kurul, N.; Drew, D.A. & Lahey, R.T. Jr. May 1, 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. It has been viewed 31 times , with 4 in the last month . More information about this article can be viewed below.

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  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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Description

Because of the complexity of phenomena governing boiling heat transfer, the approach to solve practical problems has traditionally been based on experimental correlations rather than mechanistic models. The recent progress in computational fluid dynamics (CFD), combined with improved experimental techniques in two-phase flow and heat transfer, makes the use of rigorous physically-based models a realistic alternative to the current simplistic phenomenological approach. The objective of this paper is to present a new CFD model for critical heat flux (CHF) in low quality (in particular, in subcooled boiling) forced-convection flows in heated channels.

Physical Description

11 p.

Notes

INIS; OSTI as DE99001886

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  • International conference on convective flow, Munich (Germany), 18-23 May 1997

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  • Other: DE99001886
  • Report No.: KAPL-P--000162
  • Report No.: K--97043;CONF-9705305--
  • Grant Number: AC12-76SN00052
  • Office of Scientific & Technical Information Report Number: 319776
  • Archival Resource Key: ark:/67531/metadc681437

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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.

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  • May 1, 1997

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  • July 25, 2015, 2:20 a.m.

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  • May 16, 2016, 4:57 p.m.

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Podowski, M.Z.; Alajbegovic, A.; Kurul, N.; Drew, D.A. & Lahey, R.T. Jr. Mechanistic modeling of CHF in forced-convection subcooled boiling, article, May 1, 1997; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc681437/: accessed January 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.