Improvement of JSFR failed fuel detection system by delayed neutron monitoring

Nabeshima, Kunihiko ; Aizawa, Kosuke ; Chikazawa, Yoshitaka ; Okazaki, Hitoshi*; Hayashi, Masateru*

FFD-DN (failed fuel detection system by delayed neutron monitoring) method is to measure the delayed neutron flux which is released from failed fuel to sodium coolant when fuel failure occurs. Here, the part of FFD-DN method will be cleared. Then, reactor trip before fuel failure propagation could be performed by new FFD-DN detection form with B $_{4}$ C filter and collimator.

Language	:	Japanese
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Meeting title	:	日本原子力学会2014年秋の大会
Held date	:	2014/09
Location (city)	:	京都
Location (country)	:	日本
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Keywords	:	JSFR; 遅発中性子法(DN法); 破損燃料検出装置(FFD); 燃料破損事象
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Cooperating Institute	:	経済産業省

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Registration No. : BB20140741
JAEA Abstracts No. :
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