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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 1,022 - 1,028 (7page)
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One of the possible options for spent-fuel management in Korea is pyroprocessing, which is a process forelectrochemical recycling of spent nuclear fuel. Nuclear material accountancy is considered to be asafeguards measure of fundamental importance, for the purposes of which, the amount of nuclearmaterial in the input and output materials should be measured as accurately as possible by means ofchemical analysis and/or non-destructive assay. In the present study, a neutron measurement systembased on the fast-neutron energy multiplication (FNEM) and passive neutron albedo reactivity (PNAR)techniques was designed for nuclear material accountancy of a spent-fuel assembly (i.e., the inputaccountancy of a pyroprocessing facility). Various parameters including inter-detector distance, sourceto-detector distance, neutron-reflector material, the structure of a cadmium sleeve around the closedetectors, and an air cavity in the moderator were investigated by MCNP6 Monte Carlo simulations inorder to maximize its performance. Then, the detector responses with the optimized geometry wereestimated for the fresh-fuel assemblies with different 235U enrichments and a spent-fuel assembly. It wasfound that the measurement technique investigated here has the potential to measure changes inneutron multiplication and, in turn, amount of fissile material
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참고문헌 (24)
참고문헌 신청
Nuclear Safety and Security Commission / Nuclear safety information center
H. Lee / 2013 / Current status of pyroprocessing development at KAERI / Sci. Technol. Nucl. Install 2013:343492
J. P. Ackerman / 1991 / Chemical basis for pyrochemical reprocessing of nuclear fuel / I&EC Res 30:141~145
J. J. Laidler / 1997 / Development of pyroprocessing technology / Prog. Nucl. Energy 31:131~140
S. X. Li / 2009 / Actinide recovery experiments with bench-scale liquid cadmium cathode in real fission product-laden molten salt / Nucl. Technol 165:190~199
H. Lee / 2013 / Current status of pyroprocessing development at KAERI / Sci. Technol. Nucl. Install 2013:343492
J. P. Ackerman / 1991 / Chemical basis for pyrochemical reprocessing of nuclear fuel / I&EC Res 30:141~145
J. J. Laidler / 1997 / Development of pyroprocessing technology / Prog. Nucl. Energy 31:131~140
S. X. Li / 2009 / Actinide recovery experiments with bench-scale liquid cadmium cathode in real fission product-laden molten salt / Nucl. Technol 165:190~199
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