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Structurally integrated brushless PM motor for miniature propeller thrusters

Structurally integrated brushless PM motor for miniature propeller thrusters
Structurally integrated brushless PM motor for miniature propeller thrusters
The design, analysis and performance of a brushless PM motor that is integrated in the structure of a miniature 50 mm diameter propeller thruster is considered; the stator is fitted in the faired thin duct that surrounds the propeller to improve its efficiency and protect it from damage, and the rotor is fitted to the rim of the propeller. Such a thruster is intended for use on small autonomous underwater vehicles that are being developed for defence, scientific and industry applications. Fitting a relatively large airgap motor with protective coating within the volume of a thin propeller duct (<10 mm thick) imposes extreme constraints on the dimensions of the machine, including a very thin rotor and stator radial thickness and relatively short axial length in addition to the relatively large airgap, which raises theoretical and practical issues that have not been considered in the literature. The design of such a machine is discussed, a demonstrator device is described and FEA and experimental results are reported.
1350-2352
513-519
Abu Sharkh, S.M.
c8445516-dafe-41c2-b7e8-c21e295e56b9
Lai, S.H.
9ee819cd-2ace-4c3f-bb76-78c135c048cb
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Abu Sharkh, S.M.
c8445516-dafe-41c2-b7e8-c21e295e56b9
Lai, S.H.
9ee819cd-2ace-4c3f-bb76-78c135c048cb
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Abu Sharkh, S.M., Lai, S.H. and Turnock, S.R. (2004) Structurally integrated brushless PM motor for miniature propeller thrusters. IEE Proceedings: Electric Power Applications, 151 (5), 513-519. (doi:10.1049/ip-epa:20040736).

Record type: Article

Abstract

The design, analysis and performance of a brushless PM motor that is integrated in the structure of a miniature 50 mm diameter propeller thruster is considered; the stator is fitted in the faired thin duct that surrounds the propeller to improve its efficiency and protect it from damage, and the rotor is fitted to the rim of the propeller. Such a thruster is intended for use on small autonomous underwater vehicles that are being developed for defence, scientific and industry applications. Fitting a relatively large airgap motor with protective coating within the volume of a thin propeller duct (<10 mm thick) imposes extreme constraints on the dimensions of the machine, including a very thin rotor and stator radial thickness and relatively short axial length in addition to the relatively large airgap, which raises theoretical and practical issues that have not been considered in the literature. The design of such a machine is discussed, a demonstrator device is described and FEA and experimental results are reported.

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Published date: 2004

Identifiers

Local EPrints ID: 22934
URI: http://eprints.soton.ac.uk/id/eprint/22934
ISSN: 1350-2352
PURE UUID: b19e74f2-3c3e-4c3f-b213-9eee92b80ed2
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

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Date deposited: 24 Mar 2006
Last modified: 29 Oct 2019 02:09

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Contributors

Author: S.M. Abu Sharkh
Author: S.H. Lai
Author: S.R. Turnock ORCID iD

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