File:Principe hydrophone à magnétostriction.png

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Principe_hydrophone_à_magnétostriction.png (727 × 261 pixels, file size: 36 KB, MIME type: image/png)

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Français : L’hydrophone à magnétostriction est constitué d’une interface acoustique et d’un circuit électrique bobiné autour d’un barreau magnétostrictif. Lorsqu’elle rencontre l’interface, l’onde sonore exerce une action mécanique sur cette interface et le barreau magnétostrictif, qui provoque une variation de sa géométrie. Le barreau étant polarisé, cette déformation entraîne une variation du flux magnétique qui induit une variation de tension dans le circuit électrique (la loi de Lenz).
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Author Yusinak

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Date/TimeThumbnailDimensionsUserComment
current16:58, 17 January 2015Thumbnail for version as of 16:58, 17 January 2015727 × 261 (36 KB)Yusinak (talk | contribs)User created page with UploadWizard

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