PETER CONNOR Peter.Connor@nottingham.ac.uk
Senior Application Engineers in Industrialisation of Electrical Machines and Drives
Numerical investigations of convective phenomena of oil impingement on end-windings
Connor, P.H.; La Rocca, A.; Xu, Z.; Eastwick, C.N.; Pickering, S.J.; Gerada, C.
Authors
A. La Rocca
ZEYUAN XU ZEYUAN.XU@NOTTINGHAM.AC.UK
Principal Research Fellow
CAROL EASTWICK CAROL.EASTWICK@NOTTINGHAM.AC.UK
Professor of Mechanical Engineering
Professor STEPHEN PICKERING stephen.pickering@nottingham.ac.uk
Assistant Professor
CHRISTOPHER GERADA CHRIS.GERADA@NOTTINGHAM.AC.UK
Professor of Electrical Machines
Abstract
A novel experimental rig for analysing intensive liquid cooling of highly power-dense electrical machine components has been developed. Coupled fluid flow and heat transfer has been modelled, using computational fluid dynamics (CFD), to inform the design of a purpose-built enclosure for optimising the design of submerged oil jet cooling approaches for electrical machine stators. The detailed modelling methodology presented in this work demonstrates the value in utilising CFD as a design tool for oil-cooled electrical machines. The predicted performance of the final test enclosure design is presented, as well as examples of the sensitivity studies which helped to develop the design. The sensitivity of jet flow on resulting heat transfer coefficients has been calculated, whilst ensuring parasitic pressure losses are minimised. The CFD modelling will be retrospectively validated using experimental measurements from the test enclosure.
Citation
Connor, P., La Rocca, A., Xu, Z., Eastwick, C., Pickering, S., & Gerada, C. (2018). Numerical investigations of convective phenomena of oil impingement on end-windings.
Conference Name | 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018) |
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Start Date | Apr 17, 2018 |
End Date | Apr 19, 2018 |
Acceptance Date | Feb 14, 2018 |
Publication Date | Apr 17, 2018 |
Deposit Date | Feb 21, 2018 |
Publicly Available Date | Apr 17, 2018 |
Peer Reviewed | Peer Reviewed |
Keywords | Thermal Management; Oil-Cooling; Jet-impingement |
Public URL | https://nottingham-repository.worktribe.com/output/911439 |
Related Public URLs | https://events.theiet.org/pemd/ |
Contract Date | Feb 21, 2018 |
Files
PEMD Full Paper Submission - ref0766 - Connor_LaRocca.pdf
(590 Kb)
PDF
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