FP chemistry in a high temperature region of LWR under a severe accident, 6; Improvement of ruthenium release model from a nuclear fuel under a LWR severe accident

Liu, J. ; Miyahara, Naoya; Miwa, Shuhei ; Takano, Masahide ; Osaka, Masahiko

To improve the ruthenium (Ru) release model from a nuclear fuel in a severe accident, we investigated the oxidation and vaporization behaviors of Ru from Mo $_{0.231}$ Ru $_{0.558}$ Pd $_{0.088}$ Rh $_{0.123}$ alloy powders, and derived the activity coefficient of Ru in Ru $_{0.725}$ Pd $_{0.115}$ Rh $_{0.160}$ alloy as 1.19.

Language	:	English
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Meeting title	:	日本原子力学会2018年春の年会
Held date	:	2018/03
Location (city)	:	吹田
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
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Registration No. : BB20171790
JAEA Abstracts No. :
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