Preliminary evaluation of integrity of coated fuel particles under normal operation in core of small-sized HTGR system HTR50S at 1st. step of Phase I

Aihara, Jun ; Goto, Minoru ; Inaba, Yoshitomo ; Isaka, Kazuyoshi; Ohashi, Hirofumi ; Tachibana, Yukio

Japan Atomic Energy Agency (JAEA) is carrying out conceptual design of a 50 MWt small-sized high temperature gas cooled reactor (HTGR), HTR50S. In this report, integrity of coated fuel particles (CFPs) is evaluated for core of HTR50S of 1st. step of phase I (first core of HTR50S) under normal operation. CFPs are considered to be failed by fuel kernel migration by temperature gradient in CFPs or corrosion of SiC layer by fission product Pd (Pd corrosion) or increase in internal pressure under normal operation. In this report, integrity of CFPs is to be maintained for each phenomenon.

Language	:	Japanese
Report No.	:	JAEA-Technology 2014-009
Pages	:	29 Pages
Publication Year/Month	:	2014/05
Patent information	:
PDF	:	JAEA-Technology-2014-009.pdf:3.51MB
Paper URL	:	https://doi.org/10.11484/jaea-technology-2014-009
Keywords	:	no keyword
Research Facility	:
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Article of JAEA R&D Review	:
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Registration No. : TN20140009
JAEA Abstracts No. : 42000594

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