In order to improve the accuracy of the coil temperature prediction, detailed fundamental experiments have been conducted on thermal resistances that are caused by the void air gap and contact surfaces. The thermal resistance of the coil around the air gap can be calculated by an air gap distance and air heat conductivity. Contact surface thermal resistance between the core and the housing was constant regardless of the press-fitting state in this experiment. Prediction accuracy of the coil temperature is improved by including the heat resistance characteristics that is obtained by the basic experiment to conjugate heat transfer analysis model.
Design Methodology for Motor Thermal Management in Vehicle Electrification
Sae Technical Papers
2019 JSAE/SAE Powertrains, Fuels and Lubricants ; 2019
2019-12-19
Conference paper
English
Diesel Powertrain Energy Management via thermal Management and Electrification
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