Fissile Measurement in Various Types Using Nuclear Resonances
(주)코리아스칼라
- 최초 등록일
- 2023.07.31
- 최종 저작일
- 2023.06
- 12페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국방사성폐기물학회
ㆍ수록지정보 : 방사성폐기물학회지 / 21권 / 2호
ㆍ저자명 : YongDeok Lee, Seong-Kyu Ahn
목차
1. Introduction
2. Neutron Transmission Measurement
3. Simulation and Analysis
3.1 TRU-RE
3.2 U add in TRU-RE
3.3 Sensitivity in 235U and 239Pu
4. Hull Waste
5. Results and Discussion
Acknowledgements
영어 초록
Neutron resonance transmission technique was applied for assaying isotopic fissile materials produced in the pyro-process. In each process of the pyro-process, a different composition of the fissile material is produced. Simulation was basically performed on 235U and 239Pu assay for TRU-RE product, hull waste, and uranium addition. The resonance energies were evaluated for uranium and plutonium in the simulation, and the linearity in the detection response was examined on the fissile content variation. The linear resonance energies were determined for the analysis of 235U and 239Pu on the different fissile materials. For enriched TRU-RE assay, the sample condition was suggested; The sample density, content, and thickness are the key factors to obtain accurate fissile content. The detection signal is discriminated for uranium and plutonium in neutron resonance technique. The transmitted signal for fissile resonance has a direct relation with the content of fissile. The simulation results indicated that the neutron resonance technique is promising to analyze 235U and 239Pu for various types of the pyro-process material. An accurate fissile assay will contribute toward safeguarding the pyro-processing system.
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