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Yoke Design for Heavy Ion Rotating Gantry HTS Combined Function Magnet
IEEE Transactions on Applied Superconductivity ( IF 1.8 ) Pub Date : 2021-02-22 , DOI: 10.1109/tasc.2021.3060825 Yvonne T. Eiking Baird , Quan Li
IEEE Transactions on Applied Superconductivity ( IF 1.8 ) Pub Date : 2021-02-22 , DOI: 10.1109/tasc.2021.3060825 Yvonne T. Eiking Baird , Quan Li
Heavy ion rotating gantries comprise large magnets to meet the requirement of high magnetic field. High-temperature superconductors (HTSs) are able to achieve notably higher current densities compared to copper conductors, and enable significant mass and size reduction. However, large yokes for magnetic field enhancement and shielding still make these gantries heavy and bulky. These yokes are made from ferromagnetic materials, and usually the field densities inside are controlled to be within a linear B–H range to avoid saturation. In this article, we found that following this design algorithm, the majority of these yokes are not effectively used with very low field densities. To achieve further mass and size reduction of these gantries, we proposed a new design method that considers partial saturation in the yokes. Detailed electromagnetic modeling has been completed to compare the new method and the conventional algorithm. Results show that the yoke size can be substantially reduced by applying the new design method. This outcome is useful for the design of more compact HTS magnets.
中文翻译:
重离子旋转龙门高温超导组合功能磁体的轭设计
重离子旋转门架包括大型磁体,以满足高磁场的要求。与铜导体相比,高温超导体(HTS)能够显着提高电流密度,并能够显着减小质量和尺寸。但是,用于磁场增强和屏蔽的大轭铁仍然使这些龙门架变得笨重。这些磁轭由铁磁材料制成,通常将内部的磁场密度控制在线性B–H范围内,以避免饱和。在本文中,我们发现按照这种设计算法,这些磁轭中的大多数不能在非常低的场密度下有效使用。为了进一步降低这些龙门的质量和尺寸,我们提出了一种新的设计方法,该方法考虑了磁轭中的部分饱和。已经完成了详细的电磁建模,以比较新方法和常规算法。结果表明,通过应用新的设计方法,磁轭尺寸可以大大减小。这一结果对于设计更紧凑的高温超导磁体很有用。
更新日期:2021-03-30
中文翻译:
重离子旋转龙门高温超导组合功能磁体的轭设计
重离子旋转门架包括大型磁体,以满足高磁场的要求。与铜导体相比,高温超导体(HTS)能够显着提高电流密度,并能够显着减小质量和尺寸。但是,用于磁场增强和屏蔽的大轭铁仍然使这些龙门架变得笨重。这些磁轭由铁磁材料制成,通常将内部的磁场密度控制在线性B–H范围内,以避免饱和。在本文中,我们发现按照这种设计算法,这些磁轭中的大多数不能在非常低的场密度下有效使用。为了进一步降低这些龙门的质量和尺寸,我们提出了一种新的设计方法,该方法考虑了磁轭中的部分饱和。已经完成了详细的电磁建模,以比较新方法和常规算法。结果表明,通过应用新的设计方法,磁轭尺寸可以大大减小。这一结果对于设计更紧凑的高温超导磁体很有用。