Optimisation of permanent magnet array for magnetic levitation systems
by Matthew Frost; Ryan McMullen; Ashraf Elbarbary
International Journal of Sustainable Materials and Structural Systems (IJSMSS), Vol. 6, No. 1, 2022

Abstract: This paper presents the results of an experiment designed to measure the maximum static force of attraction between an iron mass and configurations of 12.7 mm cube neodymium permanent magnets. A threeand five-magnet segment of the Halbach array was studied in which the inclination angles of the adjacent magnets were varied from 0° to 90° in increments of 15° for gap distances of 5.382 mm to 30.891 mm. Results show that between a 5.585 mm and 7.465 mm gap height, the force from a five-magnet configuration with inclination angles of 15° was measured to be, on average, 2.35% larger than a configuration with 0° angles. Between 7.465 mm and 30.891 mm, the force from a configuration with inclination angles of 0° was measured to be, on average, 10.0% larger than a configuration with 15° angles.

Online publication date: Thu, 01-Jun-2023

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