Heat transfer coefficients in a coupled 3-D model of a liquid-cooled IPM traction motor compared with measurements
Artikel i vetenskaplig tidskrift, 2021

Modelling of electrical machines is constantly refined and it is now possible to couple numerical thermal models and electromagnetic models, thereby allowing to examine the thermal effects on motor materials. In this paper it is shown how a 3-D model of an interior permanent magnet (IPM) motor, including power loss in the end windings and the effect of air and liquid cooling can be made where simulation results are compared with measurements. Further, it is shown how the coolant inlet temperature and volumetric flow rate affects the heat transfer coefficient of the cooling duct for some load points within the torque-speed range of the motor.


Finite element analysis

Atmospheric modeling

Solid modeling

Computational Fluid Dynamics

Traction motors

Computational modeling

Traction motors

Permanent magnet motors

Interior permanent magnet electric machine; Thermal modelling

Conjugate Heat Transfer


Sonja Lundmark

Chalmers, Elektroteknik, Elkraftteknik

Emma Grunditz

Chalmers, Elektroteknik, Elkraftteknik

Torbjörn Thiringer

Chalmers, Elektroteknik, Elkraftteknik

Andreas Andreasson

Volvo Cars

Anders Bergqvist

Volvo Cars

Raik Orbay

Volvo Cars

Erik Jansson

Volvo Cars

IEEE Transactions on Industry Applications

0093-9994 (ISSN)

Vol. 57 5 4805-4814 9477036


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