Local feedback reactivates effect on power distributions during CR withdrawal

Kawashima, Katsuyuki; Mizuno, Tomoyasu

A local feedback reactivities effect on power distributions during control rod withdrawal is analyzed in the sodium-cooled large fast reactor core. In the steady-state core model simulating the transient overpower conditions, core radial power distribution skewing is mitigated by considering the reactivities due to the temperature rise in the fuel assemblies neighboring the withdrawn control rod.

Language	:	Japanese
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Meeting title	:	日本原子力学会2008年春の年会
Held date	:	2008/03
Location (city)	:	吹田
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20073085
JAEA Abstracts No. :
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