Computational Flow Predictions for the Lower Plenum of a High-Temperature, Gas-Cooled Reactor

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Advanced gas-cooled reactors offer the potential advantage of higher efficiency and enhanced safety over present day nuclear reactors. Accurate simulation models of these Generation IV reactors are necessary for design and licensing. One design under consideration by the Very High Temperature Reactor (VHTR) program is a modular, prismatic gas-cooled reactor. In this reactor, the lower plenum region may experience locally high temperatures that can adversely impact the plant’s structural integrity. Since existing system analysis codes cannot capture the complex flow effects occurring in the lower plenum, computational fluid dynamics (CFD) codes are being employed to model these flows [1]. The ... continued below

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Guillen, Donna Post November 1, 2006.

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Advanced gas-cooled reactors offer the potential advantage of higher efficiency and enhanced safety over present day nuclear reactors. Accurate simulation models of these Generation IV reactors are necessary for design and licensing. One design under consideration by the Very High Temperature Reactor (VHTR) program is a modular, prismatic gas-cooled reactor. In this reactor, the lower plenum region may experience locally high temperatures that can adversely impact the plant’s structural integrity. Since existing system analysis codes cannot capture the complex flow effects occurring in the lower plenum, computational fluid dynamics (CFD) codes are being employed to model these flows [1]. The goal of the present study is to validate the CFD calculations using experimental data.

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  • ANS 2006 Winter Meeting,Albuquerque, NM,11/12/2006,11/16/2006

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  • Report No.: INL/CON-06-11334
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 911905
  • Archival Resource Key: ark:/67531/metadc877568

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 7, 2016, 4:02 p.m.

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Guillen, Donna Post. Computational Flow Predictions for the Lower Plenum of a High-Temperature, Gas-Cooled Reactor, article, November 1, 2006; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc877568/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.