Abstract
Magnetic couplings are considered suitable for many industrial applications where a separation is required between the driver and the driven. Utilizing magnetic couplings allows the transmission of torque without any mechanical contact. Generally, permanent magnets (PMs) are utilized in magnetic couplings instead of electromagnets to avoid extra circuitry. Accurate design and analysis of magnetic coupling are essential to reduce the PM volume for the required output performance. 3D finite element method (FEM) is considered the most accurate as it takes into account the end effects, which arises due to a shorter stack length as compared to the diameter of the coupling. In this paper, a permanent magnet coupling (PMC) is designed and optimized to be installed in a chemical pump that is handling high-temperature fluid. A prototype was also manufactured and tested in the laboratory to verify the analysis.
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