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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 989 - 995 (7page)
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초록· 키워드
오류제보하기
Argonne National Laboratory of the United States and Kharkov Institute of Physics and Technology (KIPT)of Ukraine have cooperated on the development, design, and construction of a neutron source facility. The facility was constructed at Kharkov, Ukraine, and its commissioning process is underway. The facilitywill be used for researches, producing medical isotopes, and training young nuclear specialists. Theneutron source facility is designed with a provision to include a cryogenically cooled moderator systemdacold neutron source (CNS). This CNS provides low-energy neutrons, which will be used in thescattering experiment and material structures analysis. Cold neutron guides, coated with reflectivematerial for the low-energy neutrons, will be used to transport the cold neutrons to the experimentalsite. The cold neutron guides would keep the cold neutrons within certain energy and angular spaceconcentrated inside, while most of the gamma rays and high-energy neutrons are not affected by thecold neutron guides. For the KIPT design, the cold neutron guides need to extend several meters outsidethe main shield of the facility, and curved guides will also be used to remove the gamma and high-energyneutron. The neutron guides should be installed inside a shield structure to ensure an acceptable biologicaldose in the facility hall. Heavy concrete is the selected shielding material because of its acceptableperformance and cost. Shield design analysis was carried out for the CNS guide hall. MCNPX was used asthe major computation tool for the design analysis, with neutron and gamma dose calculated separately. Weight windows variance reduction technique was also used in the shield design. The goal of the shielddesign is to keep the total radiation dose below the 5.0 mSv/hr guideline outside the shield boundary. After a series of iterative MCNPX calculations, the shield configuration and parameters of CNS guide hallwere determined and presented in this article.
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참고문헌 (10)
참고문헌 신청
Y. Gohar / 2006 / Accelerator-driven sub-critical facility:conceptual design development / Nucl. Instrum. Methods Phys. Res. A 562:870
H. Maier-Leibnitz / 1963 / React. Sci. Technol 17:217
Denise B. Pelowitz / 2005 / MCNPXTM User's Manual
M.B. Chadwick / 2006 / ENDF/B-VII.0: next generation evaluated nuclear data library for nuclear science and technology / Nucl. Data Sheet 107:2932~3061
C.N. Culbertson / 1999 / An Assessment of the MCNP4C Weight Window
H. Maier-Leibnitz / 1963 / React. Sci. Technol 17:217
Denise B. Pelowitz / 2005 / MCNPXTM User's Manual
M.B. Chadwick / 2006 / ENDF/B-VII.0: next generation evaluated nuclear data library for nuclear science and technology / Nucl. Data Sheet 107:2932~3061
C.N. Culbertson / 1999 / An Assessment of the MCNP4C Weight Window
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