Air flow and heat transfer modeling of an Axial Flux Permanent Magnet Generator

Airoldi, Giovanni, Bumby, Jim, Dominy, Robert, Ingram, Grant, Lim, Chin, Mahkamov, Khamid, Brown, Neil, Mebarki, Abdeslam and Shanel, Martin (2009) Air flow and heat transfer modeling of an Axial Flux Permanent Magnet Generator. In: International Conference on Computer, Electrical and Systems Science Engineering, WASET, 4-6 February 2009, Dubai, UAE.

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require effective cooling due to their high power density. The detrimental effects of overheating such as degradation of the insulation materials, magnets demagnetization, and increase of Joule losses are well known. This paper describes the CFD simulations performed on a test rig model of an air cooled Axial Flux Permanent Magnet (AFPM) generator built at Durham University to identify the temperatures and heat transfer coefficient on the stator. The Reynolds Averaged Navier-Stokes and the Energy equations are solved and the flow pattern and heat transfer developing inside the machine are described. The Nusselt number on the stator surfaces has been found. The dependency of the heat transfer on the flow field is described and the stator temperature field obtained. Tests on an experimental rig are undergoing in order to validate the CFD results.

Item Type: Conference or Workshop Item (Paper)
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Sarah Howells
Date Deposited: 16 Oct 2012 11:21
Last Modified: 12 Oct 2019 19:06

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