Analysis using the least-squares method of two-dimensional distribution of the simulated fuel debris measured by the LIBS

Akaoka, Katsuaki ; Ogawa, Chihiro*; Tagawa, Akihiro ; Wakaida, Ikuo

The two dimensional distribution measurement is possible using the laser induced breakdown spectroscopy. We analysed the two-dimensional composition distribution of the simulated fuel debris measured by LIBS using the least-squares method. As the result, distribution of the contribution ratios of the simulated fuel debris provided using the least-squares method expressed element distribution of them well.

Language	:	Japanese
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Meeting title	:	日本原子力学会2020年春の年会
Held date	:	2020/03
Location (city)	:	福島
Location (country)	:	日本
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Keywords	:	燃料デブリ; 最小二乗法; LIBS; レーザー; レーザー誘起ブレークダウン発光分光; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Registration No. : BB20191758
JAEA Abstracts No. :
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