Inductance of Bitter Coil with Rectangular Cross-section |
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Authors: | Yong Ren Guangli Kuang Wenge Chen |
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Affiliation: | 1. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, China 2. Graduate University of Chinese Academy of Sciences, Beijing, China
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Abstract: | The self-inductance of Bitter coil and mutual inductance between coaxial Bitter coils with rectangular cross-section using semi-analytical expressions based on two integrations were introduced. The current density of the Bitter coil in radial direction is inversely proportional to its radius. The obtained expressions can be implemented by Gauss integration method with FORTRAN programming. We confirm the validity of inductance results by comparing them with finite filament method and finite element method. The inductance values computed by three methods are in excellent agreement. The derived expressions of inductance of Bitter coils with rectangular cross-section allow a low computational time compared with finite filament method to a specific accuracy. The derived mutual inductance expressions can be used to accurately calculate the axial force between coaxial Bitter coils with mutual inductance gradient method. |
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