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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.6
- 수록면
- 1,982 - 1,990 (9page)
- DOI
- https://doi.org/10.1016/j.net.2021.12.035
이용수
초록· 키워드
오류제보하기
The purpose of this study was to verify the possibility of fuel rod pattern analysis in a fresh fuel assemblyusing the Yonsei single-photon emission computed tomography (YSECT) system. The YSECT systemconsisted of three main parts: four trapezoidal-shaped bismuth germanate scintillator-based 64-channeldetectors, a semiconductor-based multi-channel data acquisition system, and a rotary stage. In order toassess the performance of the prototype YSECT, tomographic images were obtained for three representative fuel rod patterns in the 6 6 array using two representative image-reconstruction algorithms.
The fuel-rod patterns were then assessed using an in-house fuel rod pattern analysis algorithm. In theexperimental results, the single-directional projection images for those three fuel-rod patterns welldiscriminated each fuel-rod location, showing a Gaussian-peak-shaped projection for a single 10 mmdiameter fuel rod with 12.1 mm full-width at half maximum. Finally, we successfully verified the possibility of the fuel rod pattern analysis for all three patterns of fresh fuel rods with the tomographicimages obtained by the rotational YSECT system
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