Review and consideration on composition and morphology of fuel debris

Nagase, Fumihisa

The present paper introduces composition and morphology of debris based mainly on the results of studies on the behavior of fuel and core component materials and analysis of TMI-2 fuel debris which were conducted at JAEA. The introduction is focused on progress of core melt down, mixing of fuel and other core components, burnup distribution, porosity, fission product retention, and oxidation state of metals in debris which are important for criticality management. In addition, characteristics of debris in the Fukushima Daiichi NPP are estimated.

Language	:	Japanese
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Meeting title	:	日本原子力学会2013年秋の大会
Held date	:	2013/09
Location (city)	:	八戸
Location (country)	:	日本
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Keywords	:	福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
Research Facility	:	RFEF(燃料試験施設)
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Registration No. : BB20131409
JAEA Abstracts No. :
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