Status and plan of LOCA study at JAEA

Narukawa, Takafumi

JAEA has performed a wide range of loss-of-coolant-accident (LOCA) studies in response to fuel-burnup extension, new experimental results, and the accident at NPPs. Currently, new LOCA tests are ongoing in JAEA to evaluate fuel behavior under LOCA conditions including the phenomena of fuel fragmentation, relocation, and dispersal (FFRD) and the mechanical strength of fuel cladding tubes during the post-LOCA long-term core cooling period. These test results, including those obtained from the future study, are expected to provide the necessary information for the future regulation on high-burnup fuels.

Language	:	English
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Meeting title	:	Fuel Safety Research Meeting 2019 (FSRM 2019)
Held date	:	2019/10
Location (city)	:	Mito
Location (country)	:	Japan
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Keywords	:	LOCA; High Burnup Fuel; FFRD; post-LOCA long-term core cooling; Four-point-bend test
Research Facility	:	RFEF(燃料試験施設)
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Registration No. : BB20191388
JAEA Abstracts No. :
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