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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 3,012 - 3,017 (6page)
- DOI
- https://doi.org/10.1016/j.net.2021.03.021
이용수
초록· 키워드
오류제보하기
The spatial distribution and the energy spectrum of the neutron yield were investigated with the neutronactivation analysis and MCNP simulation was carried out to verify the analysis results and to extend theresults to a 3D mapping of the neutron yield distribution in the KSTAR. High purity Ni specimen wasselected in the neutron activation analysis. Total neutron yields turned out to be 3.76 1012 n/s e7.56 1012 n/s at the outer vessel of the KSTAR, two orders of magnitude lower than those at the innervessel of the KSTAR, which demonstrates the attenuation of neutron yield while passing through thedifferent structural materials of the reactor. Based on the fully expanded 3D simulation results, 2D crosssectionaldistributions of the neutron yield on XY and ZX planes of KSTAR were examined. The resultsreveal that the neutron yield has its maximum concentration near the center of blanket and decreaseswith increasing proximity to the vacuum vessel wall.
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