Design of high rotation frequency composite tubes
Résumé
This work relates to the sizing of subcritical and supercritical laminated composite drive shafts. The hollows drive shafts are designed to transmit the torsional load and to minimize the dynamic effects due to rotation. To meet this need, these structures must combined strength, rigidity and lightness. New high modulus carbon fibres can be adapted to a progress in this field. This work presents sizing tools for optimisation of supercritical drive shafts mounted on viscoelastic suspensions. Two items are discussed: dynamic analysis (response to forces excitation; free motion; instability), strength (buckling of thin tubes; torsional strength). Supercritical drive shafts examples made of high modulus fibres or high-strength fibres are presented.
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ECCM11 - Olivier Montagnier - DESIGN OF HIGH ROTATION FREQU.pdf (472.23 Ko)
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