지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.9
- 수록면
- 317 - 322 (6page)
- DOI
- 10.4283/JMAG.2023.28.3.317
이용수
초록· 키워드
오류제보하기
Dipole magnet for a neutral beam injector is a magnetic device deflecting residual ions to an ion dump. For the high power neutral beam injection to fusion plasma, the heat load on the surface of the residual ion dump should be under acceptable level. We investigate the magnetic lens effect of the bending magnet for beam expansion cases. To intensify the magnetic lens effect, the height of the field clamp in the magnetic core is adjusted. The COMSOL Multiphysics software is employed to calculate a magnetic flux density for the dipole magnet, to trace an ion beam trajectory, and to evaluate a heat distribution on the beam dump. Simulation results reveal that the longitudinal magnetic field at the magnet entrance has a significant effect on the heat distribution in the ion dump surface, and hence the local heat flux is considerably alleviated by the field clamp with adjusting the height of the clamp.
목차
1. Introduction
2. Magnetic Characteristic of NB-2 Dipole Magnet
3. Simulation of Ion Beam Trajectory
4. Conclusion
References
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