Fission gas production in reactor fuels including the effects of ternary fission

Jianwei Hu, A. C. Hayes, W. B. Wilson, Rizwan-Uddin

Research output: Contribution to journalArticle

Abstract

An understanding of gas bubble formation and migration in nuclear fuel and its impacts on fuel and cladding materials requires knowledge of the isotopic composition of the gases and their generation rates. In this paper, we present results of simulations for the production of the dominant noble gases (helium, xenon, krypton) in nuclear fuels for different reactor core configurations and fuel compositions. The calculations were performed using detailed nuclear burn simulations with Monte Carlo nuclear transport, and included ternary fission to ensure an accurate treatment of helium production. For all reactor designs and fuels considered xenon was found to be the most dominant gas produced. Variation in the composition of fission gases is quantified for: (1) the burn time, (2) the composition of the fuel, and (3) the neutron energy spectrum. These three factors determine the relative fraction of each gas and its transmutation into or from stable gas by subsequent neutron capture.

Original languageEnglish (US)
Pages (from-to)3751-3757
Number of pages7
JournalNuclear Engineering and Design
Volume240
Issue number11
DOIs
StatePublished - Nov 2010

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gases
Gases
gas
Suckling Animals
nuclear fuels
fission
Chemical analysis
African horse sickness virus
xenon
helium
simulation
Xenon
Nuclear fuels
Helium
Neutrons
Nitroso Compounds
reactor design
reactor cores
transmutation
neutron spectra

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal
  • Mechanical Engineering

Cite this

Fission gas production in reactor fuels including the effects of ternary fission. / Hu, Jianwei; Hayes, A. C.; Wilson, W. B.; Rizwan-Uddin.

In: Nuclear Engineering and Design, Vol. 240, No. 11, 11.2010, p. 3751-3757.

Research output: Contribution to journalArticle

Hu, Jianwei; Hayes, A. C.; Wilson, W. B.; Rizwan-Uddin / Fission gas production in reactor fuels including the effects of ternary fission.

In: Nuclear Engineering and Design, Vol. 240, No. 11, 11.2010, p. 3751-3757.

Research output: Contribution to journalArticle

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