사용후핵연료 집합체 모사장치를 이용한 광섬유 체렌코프 방사선 센서 시스템의 성능평가Performance Evaluation of a Fiber-Optic Cerenkov Radiation Sensor System Using a Simulated Spent Fuel Assembly
- Other Titles
- Performance Evaluation of a Fiber-Optic Cerenkov Radiation Sensor System Using a Simulated Spent Fuel Assembly
- Authors
- 신상훈; 유욱재; 장경원; 조승현; 박병기; 이봉수
- Issue Date
- 2014
- Publisher
- 한국센서학회
- Keywords
- Cerenkov radiation; Fiber-optic sensor; Gamma ray; Ir-192 isotope; Simulated spent fuel assembly
- Citation
- 센서학회지, v.23, no.4, pp.245 - 250
- Journal Title
- 센서학회지
- Volume
- 23
- Number
- 4
- Start Page
- 245
- End Page
- 250
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/12812
- DOI
- 10.5369/JSST.2014.23.4.245
- ISSN
- 1225-5475
- Abstract
- When the charged particle travels in transparent medium with a velocity greater than that of light in the same medium, the electromagnetic field close to the particle polarizes the medium along its path, and then the electrons in the atoms follow the waveform of the pulse which is called as Cerenkov light or radiation. This type of radiation can be easily observed in a spent fuel storage pit. In optical fibers, the Cerenkov light also can be generated due to their dielectric components. Accordingly, the radiation-induced light signals can be obtained using optical fibers without any scintillating material. In this study, to measure the intensities of Cerenkov radiation induced by gamma-rays, we have fabricated the fiber-optic Cerenkov radiation sensor system using silica optical fibers, plastic optical fibers, multi-anode photomultiplier tubes, simulated spent fuel assembly and a scanning system. To characterize the Cerenkov radiation generated in optical fibers, the intensities of Cerenkov radiation generated in the silica and plastic optical fibers were measured. Also, we measured the longitudinal distribution of gamma rays emitted from the Ir-192 isotope by using the fiber-optic Cerenkov radiation sensor system and simulated spent fuel assembly.
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Collections - College of Engineering > Department of Energy and Environmental Engineering > 1. Journal Articles
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