Three-dimensional bowing analysis of radial reflector assemblies in advanced LMRS

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The near-core radial shield in some advanced liquid metal fast reactors (LMRs) consists of steel reflector assemblies that surround the inner core assemblies followed by shield assemblies that have large volume fraction of boron carbide. The reflector and shield assemblies of these reactors are removable, similar in outer configuration to the inner core assemblies and link the inner assemblies to the outer parts of the core restraint system. An important design goal for these reflector and shield assemblies is to have the longest service life in the core with minimum handling. Extended residence of the reflector assemblies in particular, with ... continued below

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Pages: (13 p)

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Kamal, S.A. January 1, 1989.

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Description

The near-core radial shield in some advanced liquid metal fast reactors (LMRs) consists of steel reflector assemblies that surround the inner core assemblies followed by shield assemblies that have large volume fraction of boron carbide. The reflector and shield assemblies of these reactors are removable, similar in outer configuration to the inner core assemblies and link the inner assemblies to the outer parts of the core restraint system. An important design goal for these reflector and shield assemblies is to have the longest service life in the core with minimum handling. Extended residence of the reflector assemblies in particular, with the ducts subjected to large neutron flux gradients, could give rise to relatively large differential irradiation-induced swelling strains, duct inelastic deformations and interassembly forces. The purpose of this paper is to assess the effect of extending the residence of reflector assemblies in view of the mechanical design requirements of LMR cores. 6 refs., 7 figs.

Physical Description

Pages: (13 p)

Notes

NTIS, PC A03/MF A01; OSTI; INIS; GPO Dep.

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  • 10. international conference on Structural Mechanics in Reactor Technology (SMIRT), Anaheim, CA (USA), 14-18 Aug 1989

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  • Other: DE90002181
  • Report No.: CONF-890855-59
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5580829
  • Archival Resource Key: ark:/67531/metadc1084526

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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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  • January 1, 1989

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 19, 2018, 4:09 p.m.

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Kamal, S.A. Three-dimensional bowing analysis of radial reflector assemblies in advanced LMRS, article, January 1, 1989; Illinois. (digital.library.unt.edu/ark:/67531/metadc1084526/: accessed June 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.