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Magnetic field distribution induced by current through close-wound oval-shaped spiral tube current
Author(s): 
Pages: 158-160
Year: Issue:  5
Journal: JOURNAL OF LANZHOU UNIVERSITY OF TECHNOLOGY

Keyword:  密绕椭圆截面螺线管磁感应强度数值解;
Abstract: 利用叠加原理和数值计算方法,求解密绕椭圆截面螺线管电流的磁场,分析磁场与长短轴之比、螺线管长短的变化关系.计算结果表明,长短轴之比越大,螺线管越短,磁场在垂直于螺线管轴线方向的分量越大,螺线管内匀强磁场的区域越小, 但当长短轴比接近于1或螺线管较长时,磁场与密绕圆截面螺线管的磁场相似,螺线管内匀强磁场的区域较大,只在螺线管端口是非均匀磁场.
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