摘要
在单层圆柱壳屏蔽体的基础上利用场论的方法推导出了双层铁磁性圆柱壳屏蔽体沿径向的静磁屏蔽效能计算公式,并通过实验进行了验证.根据推导所得的计算公式,分析了各层的半径、厚度和材料对总的屏蔽效能的影响,并重点对层间距因素对总屏蔽效能的影响进行了分析论证.
The formulae for radial magneto-static shielding effectiveness of the double-layer cylindrical enclosure with magnetic material are derived based on the analysis of the single shell by the method of field theory, and the conclusion is validated by experiment, which offer the foundation of quantifica- tional calculation of shielding effectiveness of the double-layer or even more cylindrical enclosure. Based on the formulae derived, the affection to the shielding effectiveness when radius, thickness, and material of each layer are changed is also studied, especially the factor of the space between the two layers, which offer an important theoretic foundation for engineering application.
出处
《武汉理工大学学报（交通科学与工程版）》
2012年第6期1306-1309,共4页
Journal of Wuhan University of Technology（Transportation Science & Engineering）
基金
国防预研项目资助
关键词
多层圆柱壳屏蔽体
径向
静磁屏蔽效能
场论法
double-layer spherical enclosure
radial
magneto-static shielding effectiveness
field ana- lyze method
