Impact of truncated coated fuel particles on neutronic characteristic of statistical geometry model in MVP code

Ho, H. Q. ; Honda, Yuki; Fujimoto, Nozomu*; Goto, Minoru ; Ishitsuka, Etsuo

This study investigated the impact of truncated coated fuel particles (CFPs) on neutronic characteristic of the fuel in a statistical geometry (STG) model. Calculation results showed that the effect of truncated CFPs makes the multiplication factor decrease by about 0.1 to 1.0 %k/k depended on packing fraction, uranium enrichment, and particle size.

Language	:	English
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Meeting title	:	日本原子力学会2017年秋の大会
Held date	:	2017/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	MVP; Statistical geometry STG; Coated Fuel Particles; effect of truncation; neutronic characteristic
Research Facility	:	HTTR(高温工学試験研究炉)
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Registration No. : BB20170595
JAEA Abstracts No. :
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