DEFORM-4: fuel pin characterization and transient response in the SAS4A accident analysis code system

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The DEFORM-4 module is the segment of the SAS4A Accident Analysis Code System that calculates the fuel pin characterization in response to a steady state irradiation history, thereby providing the initial conditions for the transient calculation. The various phenomena considered include fuel porosity migration, fission gas bubble induced swelling, fuel cracking and healing, fission gas release, cladding swelling, and the thermal-mechanical state of the fuel and cladding. In the transient state, the module continues the thermal-mechanical response calculation, including fuel melting and central cavity pressurization, until cladding failure is predicted and one of the failed fuel modules is initiated. Comparisons ... continued below

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Pages: 9

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Miles, K.J. & Hill, D.J. January 1, 1986.

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Description

The DEFORM-4 module is the segment of the SAS4A Accident Analysis Code System that calculates the fuel pin characterization in response to a steady state irradiation history, thereby providing the initial conditions for the transient calculation. The various phenomena considered include fuel porosity migration, fission gas bubble induced swelling, fuel cracking and healing, fission gas release, cladding swelling, and the thermal-mechanical state of the fuel and cladding. In the transient state, the module continues the thermal-mechanical response calculation, including fuel melting and central cavity pressurization, until cladding failure is predicted and one of the failed fuel modules is initiated. Comparisons with experimental data have demonstrated the validity of the modeling approach.

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Pages: 9

Notes

NTIS, PC A02/MF A01; 1.

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  • Conference on the science and technology of fast reactor safety, Channel Islands, UK, 12 May 1986

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  • Other: DE86012118
  • Report No.: CONF-860501-10
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5737020
  • Archival Resource Key: ark:/67531/metadc1092894

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Office of Scientific & Technical Information Technical Reports

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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, 1986

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 17, 2018, 6:37 p.m.

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Miles, K.J. & Hill, D.J. DEFORM-4: fuel pin characterization and transient response in the SAS4A accident analysis code system, article, January 1, 1986; Illinois. (digital.library.unt.edu/ark:/67531/metadc1092894/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.