Viscoelastic property tuning for reducing noise radiated by switched-reluctance machines
| Autor: | Pierre Millithaler, Emeline Sadoulet-Reboul, Jean-Baptiste Dupont, Morvan Ouisse, Noureddine Bouhaddi |
|---|---|
| Přispěvatelé: | Vibratec (Vibratec), Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174) (FEMTO-ST), Université de Technologie de Belfort-Montbeliard (UTBM)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Engineering Acoustics and Ultrasonics business.industry Stator Mechanical Engineering Mechanical engineering [PHYS.MECA]Physics [physics]/Mechanics [physics] Effective radiated power Condensed Matter Physics 01 natural sciences 7. Clean energy Viscoelasticity Switched reluctance motor law.invention Damping capacity Acoustic emission Mechanics of Materials Robustness (computer science) law 0103 physical sciences Electronic engineering business 010301 acoustics |
| Zdroj: | Journal of Sound and Vibration Journal of Sound and Vibration, Elsevier, 2017, 407, pp.191-208 |
| ISSN: | 0022-460X 1095-8568 |
| Popis: | International audience; Switched-reluctance motors (SRM) present major acoustic drawbacks that hinder their use for electric vehicles in spite of widely-acknowledged robustness and low manufacturing costs. Unlike other types of electric machines, a SRM stator is completely encapsulated/potted with a viscoelastic resin. By taking advantage of the high damping capacity that a viscoelastic material has in certain temperature and frequency ranges, this article proposes a tuning methodology for reducing the noise emitted by a SRM in operation. After introducing the aspects the tuning process will focus on, the article details a concrete application consisting in computing representative electromagnetic excitations and then the structural response of the stator including equivalent radiated power levels. An optimised viscoelastic material is determined, with which the peak radiated levels are reduced up to 10 dB in comparison to the initial state. This methodology is implementable for concrete industrial applications as it only relies on common commercial finite-element solvers. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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