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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2021-02-07
Spatial Magnetic Field Calculations for Coreless Circular Coils with Rectangular Cross-Section of Arbitrary Turn Numbers
By
Yiming Wang,

    Dr. Yiming Wang

    Department of Electronic Engineering

    Naval University of Engineering

    China

    Homepage

Xu Xie,

    Dr. Xu Xie

    Department of Electronic Engineering

    Naval University of Engineering

    China

    Homepage

Hengfeng Wang

    Dr. Hengfeng Wang

    Naval University of Engineering

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 101, 9-23, 2021
doi:10.2528/PIERM21010802 | Google Scholar

Abstract
In a wireless magnetic induction communication system, the magnetic field distribution of the current-carrying coil affects the communication effect between the communication transceiver and receiver. In the study of magnetic field distribution, it was found that magnetic induction intensity and magnetic flux were important parameters to measure the effectiveness of communication. Aiming at the circular coils with rectangular cross-section of any turn numbers, this paper proposed an improved algorithm to calculate the magnetic induction intensity at any spatial position based on Biot-Savart law. At the same time, the calculation formula of the magnetic flux at the receiving point was also given. The coils were modeled and simulated with COMSOL software. The correctness of the improved algorithm was verified and compared with the traditional formula and simulation results, especially in the near field, which provided an important theoretical support for the further study of mutual inductance in the wireless magnetic induction communication system.
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Citation
Yiming Wang, Xu Xie, and Hengfeng Wang, "Spatial Magnetic Field Calculations for Coreless Circular Coils with Rectangular Cross-Section of Arbitrary Turn Numbers," Progress In Electromagnetics Research M, Vol. 101, 9-23, 2021.
doi:10.2528/PIERM21010802
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