R&D to improve accuracy of nuclear prediction for HTGR, 3; Rossi- analysis for HTTR simulated core in KUCA

Nakajima, Kunihiro*; Sakon, Atsushi*; Takahashi, Kazuki*; Hohara, Shinya*; Hashimoto, Kengo*; Fukaya, Yuji ; Sano, Tadafumi*

Time series data of neutron detector was obtained under Am-Be steady neutron source driven condition and neutron source from fuel in the graphite core system configured on B rack of the Kyoto University Critical Assembly (KUCA), and the reactor noise analysis with Rossi- method was performed. As a result, neutron correlation component could not be observed under Am-Be neutron source driven condition, but a significant correlation component was observed under fuel neutron source driven condition, and prompt neutron decay constant could be determined.

Language	:	Japanese
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Meeting title	:	日本原子力学会2019年秋の大会
Held date	:	2019/09
Location (city)	:	富山
Location (country)	:	日本
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Registration No. : BB20190773
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