Direct Air Cooling of High-Power Permanent Magnet Machines

Xiang Shen, Barrie Mecrow, Xu Deng, Christopher Donaghy-Spargo, Richard Whalley, Nilanjan Chakraborty

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Power dense electrical machines are usually liquid cooled; however, this creates a more complex system, involving fluid pumps and heat exchangers: where possible direct air-cooling should be considered. Air speed, turbulence intensity and detailed coil geometry have a direct impact upon the cooling performance of stator windings. These three factors are used to investigate the heat transfer performance of stator windings using 3D Computational Fluid Dynamics (CFD). Great care has been taken to model the anisotropic thermal properties of the coils, enabling the CFD simulations to present an accurate model validated in wind tunnel experiments. Small changes to the geometry are shown to improve the cooling performance of the winding by 44%.

Original languageEnglish
Title of host publication2019 IEEE Energy Conversion Congress and Exposition (ECCE)
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5637-5644
Number of pages8
ISBN (Electronic)9781728103952
ISBN (Print)9781728103945
DOIs
Publication statusPublished - 30 Sep 2019
Externally publishedYes
Event11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019 - Baltimore, United States
Duration: 29 Sep 20193 Oct 2019

Publication series

Name2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019

Conference

Conference11th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2019
CountryUnited States
CityBaltimore
Period29/09/193/10/19

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