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July 8, 2026MachinesOpen Access

Comparative Thermal Performance Evaluation of Compact Magnetic Gears with High-Saturation Magnetic Alloys for High-Speed Applications

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Authors

KYKadir YılmazTDTaner DindarUAUfuk Ayhan

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Overview

Comparative trial evaluates thermal performance of magnetic gears with high-saturation alloys, indicating improved stability at high speeds.

Key Points

  • This research aims to evaluate the thermal performance of compact coaxial magnetic gears using two different magnetic alloys under high-speed conditions.
  • Conducted finite element analyses of coaxial magnetic gears at 1000 to 12000 rpm under natural convection.
  • Compared electromagnetic and thermal behavior of M400-50A steel and Hiperco 50A alloy.
  • Assessed thermal performance limitations based on the operating speed and magnet temperature thresholds.
  • Hiperco 50A reduces core losses by up to 71% at high speeds.
  • The outer permanent magnet temperature stays below 200 °C up to 5800 rpm for M400-50A and 6000 rpm for Hiperco 50A.
  • These findings highlight the need for additional cooling strategies for effective operation at higher speeds.

Cite This Study

Yılmaz et al. (2026) studied this question.

synapsesocial.com/papers/6a4de835d2ea289ef628311ehttps://doi.org/10.3390/machines14070760
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