습식 저장시설 내 사용후핵연료 연소도 측정을 위한 감마선/중성자 검출기 개발
Development of a Gamma/Neutron Detector to Measure the Burnup Profile of Spent Fuel in Wet Storage Facility
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For the safe management and disposal of spent fuel, it is essential to accurately determine the quan tities of nuclides present within the spent fuel. In this study, a Gamma/Neutron detection system was developed asa part of basic research to measure the burnup profile of spent fuel, and a performance was evaluated using majornuclides. The prototype of the Gamma/Neutron detection system consisted of a CZT sensor and a 3He chamber. Forquantitative evaluation, studies were conducted using calibrated 137Cs, 134Cs, 154Eu and 252Cf sources. In the perfor mance evaluation, a field applicability was verified by analyzing the detection characteristics according to the nuclide.
Abstract
For the safe management and disposal of spent fuel, it is essential to accurately determine the quan tities of nuclides present within the spent fuel. In this study, a Gamma/Neutron detection system was developed asa part of basic research to measure the burnup profile of spent fuel, and a performance was evaluated using majornuclides. The prototype of the Gamma/Neutron detection system consisted of a CZT sensor and a 3He chamber. Forquantitative evaluation, studies were conducted using calibrated 137Cs, 134Cs, 154Eu and 252Cf sources. In the perfor mance evaluation, a field applicability was verified by analyzing the detection characteristics according to the nuclide.
참고문헌 (6)
- "References on High-Level Radioactive Waste"[URL]
- Park SH, "Fabrication of ionization chamber to measure the burnup of spent fuel", J. Radiat. Prot. Res, 35(1), pp.21~25 (2010)
- Choi JW, "Study on decay characteristics change of spent fuel materials by dupic fuel cycle", J. Radiat. Prot. Res, 21(1), pp.27~39 (1996)
- Park HM, "Spectroscopic properties of gamma-ray detector to measure the burnup of spent nuclear fuel", J. Radiat. Ind, 17(1), pp.119~125 (2023)[DOI]
- Park HM, "A study on performance characteristics of neutron detector to measure the burnup profile of spent fuel in NPP", J. Radiat. Ind, 17(3), pp.293~297 (2023)[DOI]
- Choi JB, "Study of n", γ discrimination using 3He proportional chamber in high gamma-ray fields, 2019, pp.51(1), 263~268