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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 477 - 484 (8page)
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The control rod drive mechanism needs to be debugged after reactor fresh fuel loading. It is of great importance tomonitorthe subcriticality of this process accurately. A modified method was appliedtothe subcriticality monitoring process, inwhich onlya single control rod cluster was fullywithdrawn from the core. In order to correct the error in the results obtained by Neutron Source Multiplication Method, which is based on one point reactor model, Monte Carlo neutron transport code was employed to calculate the fission neutron distribution, the iterated fission probability and the neutron flux in the neutron detector. This article analyzed the effect of a coarse mesh and a fine mesh to tally fission neutron distributions, the iterated fission probability distributions and to calculate correction factors. The subcriticality beforeand after modification is comparedwith the subcriticalitycalculated byMCNP code. The modified results turn out to be closer to calculation. It's feasible to implement the modified NSM method in large local reactivity addition process using Monte Carlo code based on 3D model.
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참고문헌 (9)
참고문헌 신청
Masashi Tsuji / 2003 / Subcriticality measurement by neutron source multiplication method with a fundamental mode extraction / J. Nucl. Sci. Technol 40(3):158~169
Win Naing / 2003 / The effect of neutron source distribution on subcriticality measurement of pressurized water reactors using the modified neutron source multiplication method / J. Nucl. Sci. Technol 40(11):951~958
Guillaume Truchet / 2013 / Application of the modified neutron source multiplication method to the prototype FBR Monju / Ann. Nucl. Energy 51:94~106
L.N. Ussachoff / 1955 / Equation for the importance of neutrons, reactor kinetics and the theory of perturbations / Proc. Int. Conf. on the Peaceful Uses of Atomic Energy :503~510
G.I. Bell / 1970 / Nuclear Reactor Theory / VanNostrand Reinhold :252
Win Naing / 2003 / The effect of neutron source distribution on subcriticality measurement of pressurized water reactors using the modified neutron source multiplication method / J. Nucl. Sci. Technol 40(11):951~958
Guillaume Truchet / 2013 / Application of the modified neutron source multiplication method to the prototype FBR Monju / Ann. Nucl. Energy 51:94~106
L.N. Ussachoff / 1955 / Equation for the importance of neutrons, reactor kinetics and the theory of perturbations / Proc. Int. Conf. on the Peaceful Uses of Atomic Energy :503~510
G.I. Bell / 1970 / Nuclear Reactor Theory / VanNostrand Reinhold :252
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