The ventilation effect on stator convective heat transfer of an axial-flux permanent-magnet machine

Yew Chuan Chong, Estanislao J. P. Echenique Subiabre, Markus A. Mueller, John Chick, David A. Staton, Alasdair S. McDonald

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigates the effect of the inlet configuration on cooling for an air-cooled axial-flux permanent-magnet (AFPM) machine. Temperature rises in the stator were measured and compared with results predicted using computational fluid dynamic (CFD) methods linked to a detailed machine loss characterization. It is found that an improved inlet design can significantly reduce the stator temperature rises. Comparison between the validated CFD model results and the values obtained from heat transfer correlations addresses the suitability of those correlations proposed specifically for AFPM machines.

Original languageEnglish
Pages (from-to)4392-4403
Number of pages12
JournalIEEE Transactions on Industrial Electronics
Volume61
Issue number8
Early online date1 Oct 2013
DOIs
Publication statusPublished - 31 Aug 2014

Keywords

  • Air cored
  • cooling
  • direct drive
  • eddy currents
  • electric machines
  • fluid dynamics
  • loss measurement
  • permanent-magnet machines
  • thermal analysis

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