Temperature dependence of temperature coefficient and void coefficient of reactivity for dilute plutonium solutions

Watanabe, Tomoaki ; Kashima, Takao; Yamane, Yuichi

In order to develop evaluation techniques of the number of nuclear fission for criticality accidents with boiling of solution fuel, temperature dependence of temperature coefficients and void coefficients of reactivity for dilute plutonium solutions is analytically investigated. The results show that evaluation accuracy of the power when solution fuel is boiling is expected to be improved by about 10% by considering the temperature dependence.

Language	:	Japanese
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Meeting title	:	日本原子力学会2016年春の年会
Held date	:	2016/03
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	希薄プルトニウム溶液; 反応度温度係数; 反応度ボイド係数; 臨界事故; 沸騰
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Registration No. : BB20152670
JAEA Abstracts No. :
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