一种改进的常规直偶极磁体设计方法
An improved design method for conventional straight dipole magnets
摘要：
本文改进了常规直偶极磁体的标准设计方法。良场区域相对于磁体机械中心是不对称的，并且其宽度没有被扩大到包括射束矢高。通过沿标称光束路径积分场来获得积分场质量。介绍了改进设计方法的二维和三维设计过程，并给出了两个直偶极磁体的应用实例。结果表明，不同场积分路径之间的积分场质量差异不容忽视。与传统的直偶极磁体设计方法相比，改进方法的优点是：综合磁场质量准确，可减小直偶极磁体的极宽、磁体尺寸和重量。
英文摘要：
The standard design method for conventional straight dipole magnets is improved in this paper. The good field region is not symmetric with respect to the magnet mechanical center, and its width is not enlarged to include the beam sagitta. The integrated field quality is obtained by integrating the field along nominal beam paths. 2D and 3D design procedures of the improved design method are introduced, and two application examples of straight dipole magnets are presented. It is shown that the differences in integrated field quality between different field integration paths cannot be neglected. Compared with the traditional design method of straight dipole magnets, the advantage of the improved method is that the integrated field quality is accurate; the pole width, magnet dimension and weight of a straight dipole magnet can be reduced.
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