Vol. 34

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2013-12-20

Design of Miniature Coil to Generate Uniform Magnetic Field

By Nilangshu K. Das, Parthasarathi Barat, Sounak Dey, and Tammana Jayakumar
Progress In Electromagnetics Research M, Vol. 34, 99-105, 2014
doi:10.2528/PIERM13112602

Abstract

In various technological and scientific applications, different types of coil systems are being used to produce uniform alternating magnetic field. The dimensions of these coil systems are considerably larger than the volume of interest. There is a necessity to reduce the dimension of the coil system without sacrificing the extent of uniformity of the magnetic field. This problem has a wide audience and still remains as a topic of contemporary research in the development of miniaturized devices especially for calorimetric measurements of nano-particles, cancer therapy, and detection of minute surface defects by eddy current probes, etc. In this paper we present how we can modify the shape of a miniature solenoid to produce uniform magnetic field. A Genetic algorithm has been implemented to get the optimum dimension of the miniature solenoid. Our distinct shape design has achieved 97% uniformity for a 60% volume of interest.

Citation


Nilangshu K. Das, Parthasarathi Barat, Sounak Dey, and Tammana Jayakumar, "Design of Miniature Coil to Generate Uniform Magnetic Field," Progress In Electromagnetics Research M, Vol. 34, 99-105, 2014.
doi:10.2528/PIERM13112602
http://www.jpier.org/PIERM/pier.php?paper=13112602

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