Two-step two-stage fission gas release model

Yongsoo Kim, Chan bock Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A two-step two-stage model is developed in this study on the basis of the recent theoretical model. This model incorporates a two-step burn-up factor in the two-stage diffusion processes in the grain lattice and at the grain boundary during the fission gas release. In-pile data sets available in FRAPCON-3 code are used to validate the model. Results show that the predictions are in better agreement with the experimental measurements than those of any other models built in the code over the entire burn-up range up to 75 000 MWd/MTU.

Original languageEnglish
Pages (from-to)431-436
Number of pages6
JournalJournal of Nuclear Materials
Volume374
Issue number3
DOIs
StatePublished - 2008 Mar 15

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fission
Gases
gases
piles
Crystal lattices
Piles
Grain boundaries
grain boundaries
predictions

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Kim, Yongsoo ; Lee, Chan bock. / Two-step two-stage fission gas release model. In: Journal of Nuclear Materials. 2008 ; Vol. 374, No. 3. pp. 431-436.
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Two-step two-stage fission gas release model. / Kim, Yongsoo; Lee, Chan bock.

In: Journal of Nuclear Materials, Vol. 374, No. 3, 15.03.2008, p. 431-436.

Research output: Contribution to journalArticle

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