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Machines électriques intégrées à des hélices marines : contribution à une modélisation et conception multi-physique

Abstract : The present works aim at studying, within the frame of a multi-physical modeling, an innovative system where the blades of a propeller or a marine turbine are rim driven by a synchronous permanent magnet and radial flux electrical machine. Both applications are considered : a propeller for naval propulsion and a turbine for the extraction of currents kinetic energy. After an extensive bibliographic analysis, it is considered necessary to investigate more in details the specificities and potential application areas of theses structures. A robust, fast and fairly precise analytical tool for the systematic pre dimensioning of these systems is thus put in place. The model is of mutiphysic order such that most of the phenomenons that potentially have an impact on the performances of the system are considered. The models are of different natures : electromagnetic, thermal and hydrodynamical. Some of them are specifically built in order to take into account some of the studied structure specificities : a short axial length or a large immersed gap. The conditions of validity of these models are discussed. Several sets of specification are then considererd : the performances and working conditions are calculated and analysed. In parallel, the rim driven system is compared to a more traditionnal POD structure. The principle of a multiphysic approach is also analysed in order to understand the real interest of such an approach compared to a more traditional sequential one. Some of the results show that this tool may be of real relevance. Finally, the design and manufacture of a small prototype are described. They will be followed by a program of tests that is scheduled for 2011.
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Contributor : Laurent Drouen <>
Submitted on : Friday, December 31, 2010 - 5:23:51 PM
Last modification on : Tuesday, October 20, 2020 - 10:46:56 AM
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  • HAL Id : pastel-00550890, version 1

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Laurent Drouen. Machines électriques intégrées à des hélices marines : contribution à une modélisation et conception multi-physique. Energie électrique. Arts et Métiers ParisTech, 2010. Français. ⟨NNT : 2010ENAM0053⟩. ⟨pastel-00550890⟩

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