Average time profile of energy release fluctuated due to radiolytic gas void in criticality accident

Yamane, Yuichi

For the criticality accident with intense oscillation in power due to radiolytic gas void in nuclear fuel solution, an equation has been derived based on pseudo-steady state method, by which equation the fission-energy is expressed as a function of elapsed time and inserted reactivity. It has been confirmed that the results obtained by using the equation show better agreement to experimental data than those obtained by pseudo-steady state method.

Language	:	Japanese
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Meeting title	:	日本原子力学会2016年秋の大会
Held date	:	2016/09
Location (city)	:	久留米
Location (country)	:	日本
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Keywords	:	臨界事故; エネルギー; 放射線分解ガスボイド; 準定常法; 定率反応度添加
Research Facility	:	TRACY(過渡臨界実験装置)
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Registration No. : BB20160580
JAEA Abstracts No. :
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