Numerical and experimental study of heatsink cooling of brushless direct current electric motors

Arta, I W. Y.; Ghurri, A.; Warjaya, I K.

doi:10.22061/jcarme.2025.10044.2340

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	Numerical and experimental study of heatsink cooling of brushless direct current electric motors
Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 7، دوره 15، شماره 1 - شماره پیاپی 29، مهر 2025، صفحه 87-100 اصل مقاله (1.03 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2025.10044.2340
نویسندگان
I W. Y. Arta؛ A. Ghurri^* ؛ I K. Warjaya
Department of Mechanical Engineering, Udayana University, Bali, 80361, Indonesia.
تاریخ دریافت: 28 تیر 1402، تاریخ بازنگری: 21 مهر 1404، تاریخ پذیرش: 26 مهر 1404
چکیده
The cooling system used in brushless direct current motors employs an air-cooling mechanism with fins on the motor heatsink. The optimal performance of brushless direct current motor cooling is not yet fully understood, necessitating an analysis of the cooling process. This study employs two methods, experimental and simulation, to investigate cooling efficiency. The results indicate that the temperatures of the winding and heatsink increase with the electric motor's rotation speed. The highest temperature recorded with a thermocouple was 94℃ at 2000rpm. Validation of the simulation results against the experimental results showed a 2% deviation, indicating their validity. Based on these findings, three new heatsink designs, namely modif 1, modif 2, and modif 3, were developed. Simulation results revealed that modif 3, a combination of axial and radial heatsink shapes, exhibited the most effective temperature transfer. Therefore, it can be inferred that higher motor rotation speeds can lead to increased motor heat. The study concludes that a combination heatsink design is capable of reducing temperatures in brushless direct current motors, as demonstrated through CFD simulations on electric motor prototypes.
کلیدواژه‌ها
Heatsink؛ Cooling؛ Motor؛ Electric؛ Temperature

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Numerical and experimental study of heatsink cooling of brushless direct current electric motors