Thermal stress and creep fatigue limitations in first wall design

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The thermal-hydraulic performance of a lithium cooled cylindrical first wall module has been analyzed as a function of the incident neutron wall loading. Three criteria were established for the purpose of defining the maximum wall loading allowable for modules constructed of Type 316 stainless steel and a vanadium alloy. Of the three, the maximum structural temperature criterion of 750/sup 0/C for vanadium resulted in the limiting wall loading value of 7 MW/m/sup 2/. The second criterion limited thermal stress levels to the yield strength of the alloy. This led to the lowest wall loading value for the Type 316 stainless ... continued below

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Pages: 20

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Majumdar, S.; Misra, B. & Harkness, S.D. January 1, 1977.

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The thermal-hydraulic performance of a lithium cooled cylindrical first wall module has been analyzed as a function of the incident neutron wall loading. Three criteria were established for the purpose of defining the maximum wall loading allowable for modules constructed of Type 316 stainless steel and a vanadium alloy. Of the three, the maximum structural temperature criterion of 750/sup 0/C for vanadium resulted in the limiting wall loading value of 7 MW/m/sup 2/. The second criterion limited thermal stress levels to the yield strength of the alloy. This led to the lowest wall loading value for the Type 316 stainless steel wall (1.7 MW/m/sup 2/). The third criterion required that the creep-fatigue characteristics of the module allow a lifetime of 10 MW-yr/m/sup 2/. At wall temperatures of 600/sup 0/C, this lifetime could be achieved in a stainless steel module for wall loadings less than 3.2 MW/m/sup 2/, while the same lifetime could be achieved for much higher wall loadings in a vanadium module.

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Pages: 20

Notes

Dep. NTIS, PC A02/MF A01.

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  • IAEA conference and workshop on fusion reactor design, Madison, WI, USA, 12 Oct 1977

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  • Report No.: CONF-771056-8
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5257245
  • Archival Resource Key: ark:/67531/metadc1067200

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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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  • January 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 18, 2018, 4:04 p.m.

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Majumdar, S.; Misra, B. & Harkness, S.D. Thermal stress and creep fatigue limitations in first wall design, article, January 1, 1977; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1067200/: accessed March 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.