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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.10
- 수록면
- 3,164 - 3,170 (7page)
- DOI
- https://doi.org/10.1016/j.net.2021.05.002
이용수
초록· 키워드
오류제보하기
The increasing interest that GEANT4 is gaining nowadays, because of its special capabilities, prompted usto address its reliability in neutronic calculation for the realistic and complex spallation target MEGAPIEof the Paul Scherrer Institute of Switzerland. In this paper we have specifically addressed the neutroniccharacterization of the active zone of this target. Three physical quantities are evaluated: neutron fluxspectra and total neutron fluxes on target's z-axis, and the neutron yield as a function of the target'saltitude and radius. Comparison of the obtained results with those of the MCNPX reference code andsome experimental measurements have confirmed the impact of the geometrical and proton beammodels on the neutron fluxes. It has also allowed to reveal the intrinsic influence of the code type. Theresulting differences reach a factor of ~2 for the beam model and 4e18% for the other parameterscumulated. The analysis of the neutron yield has led us to conclude that: 1) Increasing the productivity ofthe MEGAPIE target cannot be achieved simply by increasing the thickness of the target, if the irradiationparameters are not modified. 2) The size of the spallation area needs to be redefined more precisely
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참고문헌 (58)
참고문헌 신청
C. Latge / 2006 / Megapie spallation target: design, implementation and preliminary tests of the first prototypical spallation target for future ADS / Actinide and Fission Product Partitioning and Transmutation Ninth Information Exchange Meeting :407~419
G. S. Bauer / 2001 / MEGAPIE a 1 MW pilot experiment for a liquid metal spallation target / J. Nucl. Mater 296:17
L. Zanini / 2008 / Neutronic and nuclear post-test analysis of MEGAPIE, Part I / PSI :1019~0643
F. Michel-Sendis / 2010 / Neutronic performance of the MEGAPIE spallation target under high power proton beam / Nucl. Instrum. Methods Phys. Res., Sect. B 268(13):2257~2271
D.B. Pelowitz / 2011 / MCNPX User’s Manual Version 2.7.0
G. S. Bauer / 2001 / MEGAPIE a 1 MW pilot experiment for a liquid metal spallation target / J. Nucl. Mater 296:17
L. Zanini / 2008 / Neutronic and nuclear post-test analysis of MEGAPIE, Part I / PSI :1019~0643
F. Michel-Sendis / 2010 / Neutronic performance of the MEGAPIE spallation target under high power proton beam / Nucl. Instrum. Methods Phys. Res., Sect. B 268(13):2257~2271
D.B. Pelowitz / 2011 / MCNPX User’s Manual Version 2.7.0
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