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Experimental and CFD investigation of a lumped parameter thermal model of a single-sided, slotted axial flux generator. (2010)
Journal Article
Lim, C., Airoldi, G., Bumby, J., Dominy, R., Ingram, G., Mahkamov, K., …Shanel, M. (2010). Experimental and CFD investigation of a lumped parameter thermal model of a single-sided, slotted axial flux generator. International Journal of Thermal Sciences, 49(9), 1732-1741. https://doi.org/10.1016/j.ijthermalsci.2010.03.018

A two dimensional lumped parameter model (LPM) which provides the steady state solution of temperatures within axisymmetric single-sided, slotted axial flux generators is presented in this paper. The two dimensional model refers to the heat modelling... Read More about Experimental and CFD investigation of a lumped parameter thermal model of a single-sided, slotted axial flux generator..

Equivalent circuit analysis of solid-rotor induction machines with reference to turbocharger accelerator applications (2006)
Journal Article
Bumby, J., Spooner, E., & Jagiela, M. (2006). Equivalent circuit analysis of solid-rotor induction machines with reference to turbocharger accelerator applications. IEE proceedings. Electric power applications, 153(1), 31-39. https://doi.org/10.1049/ip-epa%3A20050254

Theoretical, numerical and experimental studies are described that have been carried out to develop a solid-rotor induction machine design for a particularly demanding application as an accelerator drive for a diesel engine turbocharger. In this appl... Read More about Equivalent circuit analysis of solid-rotor induction machines with reference to turbocharger accelerator applications.

Axial-flux permanent-magnet air-cored generator for small-scale windturbines (2005)
Journal Article
Bumby, J., & Martin, R. (2005). Axial-flux permanent-magnet air-cored generator for small-scale windturbines. IEE proceedings. Electric power applications, 152(5), 1065-1075. https://doi.org/10.1049/ip-epa%3A20050094

The design and development of an axial-flux permanent-magnet air-cored generator for use as a direct drive generator with small-scale wind and water turbines is described. The generator is designed for simplicity and ease of manufacture and consists... Read More about Axial-flux permanent-magnet air-cored generator for small-scale windturbines.

Lightweight ironless-stator PM generators for direct-drive wind turbines (2005)
Journal Article
Spooner, E., Gordon, P., Bumby, J., & French, C. (2005). Lightweight ironless-stator PM generators for direct-drive wind turbines. IEE proceedings. Electric power applications, 152(1), 17-26. https://doi.org/10.1049/ip-epa%3A20041084

A permanent-magnet electrical machine that employs lightweight spoked structures for both rotor and stator is described. The stator is ironless so that there is no direct magnetic attraction between rotor and stator. The lightweight structures are su... Read More about Lightweight ironless-stator PM generators for direct-drive wind turbines.

Electromagnetic design of axial-flux permanent magnet machines (2004)
Journal Article
Bumby, J., Martin, R., Mueller, M., Spooner, E., Brown, N., & Chalmers, B. (2004). Electromagnetic design of axial-flux permanent magnet machines. IEE proceedings. Electric power applications, 151(2), 151-160. https://doi.org/10.1049/ip-epa%3A20031063

A general, analytic approach to the calculation of magnet fields in a slottless, axial-flux, permanent magnet generator is presented. The basic 'building block' is the vector potential produced by a current sheet situated between two, infinitely perm... Read More about Electromagnetic design of axial-flux permanent magnet machines.