Results of the Thermal-Shock Modeling and Analyses for the National Spallation Neutron Source

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An overview is provided on preliminary observations from simulations of thermal shock in the National Spallation Neutron Source (NSNS) at various power levels. The simulation framework being utilized and under development is presented. Results of simulations for pressure and stress profiles at key locations are presented. Variation of results with possible onset of mercury cavitation were modeled and the results are discussed. Significant reductions in stresses on structures may be possible with cavitation onset. Key thermal-shock related issues are highlighted.

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Taleyarkan, . . August 1, 2001.

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Description

An overview is provided on preliminary observations from simulations of thermal shock in the National Spallation Neutron Source (NSNS) at various power levels. The simulation framework being utilized and under development is presented. Results of simulations for pressure and stress profiles at key locations are presented. Variation of results with possible onset of mercury cavitation were modeled and the results are discussed. Significant reductions in stresses on structures may be possible with cavitation onset. Key thermal-shock related issues are highlighted.

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  • 1997 ANS Winter Meeting, Embedded Topical Meeting, Albuquerque, NM (US), 11/16/1997--11/20/1997

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  • Report No.: P01-111456
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788527
  • Archival Resource Key: ark:/67531/metadc720453

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  • August 1, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 29, 2016, 9:07 p.m.

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Taleyarkan, . . Results of the Thermal-Shock Modeling and Analyses for the National Spallation Neutron Source, article, August 1, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc720453/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.