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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 1,998 - 2,004 (7page)
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The Multi-Physics (MP) instrument is one of 20 neutron spectrometers planned in the China Spallation Neutron Source (CSNS). This paper presents a shielding calculation for the MP instrument using Monte Carlo codes MCNPX and FLUKA. First, the neutrons that escape from the CSNS decoupled water moderator and are delivered to the beam line of the MP instrument are calculated to use as the source term of the shielding calculation. Then, to validate the calculation method based on multiple variance reduction techniques, a cross check between MCNPX and FLUKA codes is performed by comparing the calculation results of the dose rate distribution on a simplified beam line model. Finally, a complete geometry model of the MP instrument is set up, and the primary parameters for the shielding design are obtained according to the calculated dose rate map considering different worst-case scenarios.
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참고문헌 (14)
참고문헌 신청
F. W. Wang / 2013 / Physical design of target station and neutron instruments for China Spallation Neutron Source / Sci. China Phys. Mech. Astron 56:2410~2424
C. Weiß / 2015 / The new vertical neutron beam line at the CERN n_TOF facility design and outlook on the performance / Nucl. Instrum. Methods Phys. Res 799:90~98
Irina Popova / 2014 / Shielding analyses for VISION beam line at SNS / Progress. Nucl. Sci. Technol 4:178~181
Masahide Harada / 2011 / Shielding design of a neutron beam line"NOBORU"at JSNS/J-PARC / Progress. Nucl. Sci. Technol 1:94~97
Franz X. Gallmeier / 2006 / Neutron beamline shielding calculations at the SNS / Nucl. Instrum. Methods Phys. Res 562:946~949
C. Weiß / 2015 / The new vertical neutron beam line at the CERN n_TOF facility design and outlook on the performance / Nucl. Instrum. Methods Phys. Res 799:90~98
Irina Popova / 2014 / Shielding analyses for VISION beam line at SNS / Progress. Nucl. Sci. Technol 4:178~181
Masahide Harada / 2011 / Shielding design of a neutron beam line"NOBORU"at JSNS/J-PARC / Progress. Nucl. Sci. Technol 1:94~97
Franz X. Gallmeier / 2006 / Neutron beamline shielding calculations at the SNS / Nucl. Instrum. Methods Phys. Res 562:946~949
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