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SUMMARY:Energy harvesting using fluid-solid interactions
DTSTART:20150908T140000
DTEND:20150908T150000
DTSTAMP:20260428T152744Z
UID:5bc9a74d14730c0ae62ee2909bd2dba1d09d310d5537022dc44ab5c5
CATEGORIES:Conferences - Seminars
DESCRIPTION:Sébastien Michelin\, Ecole Polytechnique\, Palaiseau\, France
 \nBio: Sébastien Michelin is currently an Associate Professor in Mechanic
 s at Ecole Polytechnique\, Palaiseau. He received his PhD in Mechanical an
 d Aerospace Engineering at University of California\, San Diego in 2009. H
 e joined the Hydrodynamics Lab (LadHyX) and the faculty of the Department 
 of Mechanics at Ecole Polytechnique. Since 2013\, he is also the Deputy Di
 rector of the Hydrodynamics lab (LadHyX). His research interests are in th
 e field of fluid-solid interactions\, in particular focusing on problem re
 lated to energy harvesting from high-Re fluid flows or biological and bioi
 nspired locomotion in Stokes flows.\nFluid-solid interactions and instabil
 ities are able to generate spontaneous\, self-sustained and large amplitud
 e vibrations of structures placed in a steady flow. Often\, these are sour
 ces of concerns because they can lead to fatigue and damage of engineering
  structures\, such as offshore cables and risers. But these vibrations can
  also be used as a source of electrical energy when they are coupled to an
  electric generator. Understanding and modeling the non-linear dynamics of
  such vibrating structures is essential to properly assess how much power 
 can be extracted using such systems. This presentation will focus on two m
 ain examples of classical fluid-solid instabilities\, namely Vortex-Induce
 d Vibrations of long and flexible structures and the flapping of flexible 
 structures in axial flows (i.e. the flag instability). In both cases\, the
  influence of energy extraction on the fluid-solid dynamics will be discus
 sed as well as the energy harvesting efficiency and potential optimization
  strategies.
LOCATION:ME B10 http://plan.epfl.ch/?lang=en&zoom=20&recenter_y=5864108.22
 894&recenter_x=731002.1372&layerNodes=fonds\,batiments\,labels\,informatio
 n\,parkings_publics\,arrets_metro\,transports_publics&floor=1&q=ME_B10
STATUS:CONFIRMED
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