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논문 기본 정보

자료유형
학술저널
저자정보
Lei Zhao (Nanjing University of Aeronautics and Astronautics) Wenbao Jia (Nanjing University of Aeronautics and Astronautics) Limin Jin (Nanjing University of Aeronautics and Astronautics) Qing Shan (Nanjing University of Aeronautics and Astronautics) Can Cheng (Nanjing University of Aeronautics and Astronautics) Hongkui Zhu (Nanjing University of Aeronautics and Astronautics) Daqian Hei (Lanzhou University)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제9호
발행연도
2021.9
수록면
3,026 - 3,034 (9page)
DOI
https://doi.org/10.1016/j.net.2021.03.002

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초록· 키워드

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Multi-target X-ray tube is a new type X-ray source, and can be applied in many fields such as sensitive Xrayfluorescence analysis and medical imaging. In this work, we report an electric field modulation multitargetX-ray tube, which contains four targets (Cr, Ni, Au, Mo) coated on a Beryllium (Be) window. A fourvalveelectric field deflector was developed to deflect the electron beam to bombard the correspondingtargets. Particle dynamics analysis software was employed to simulate the particle tracking of electronbeam. The results show that the 30 keV electron beam could get a 6.7 mm displacement on the targetplane by 105 V/m electric field. The focus areas are about 2 mm 5 mm and 4 mm 2.5 mm afterdeflection in two directions. Thermal behavior calculated by ANSYS shows that the designed target assemblycould withstand a 10Wcontinuous power. The optimum target thicknesses and emission spectrawere obtained by Geant4 when the thickness of Be window was 300 mm and the electron beam incidentangle was 0.141 rad. The results indicate that this multi-target X-ray tube could provide different X-raysources effectively.

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