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Wednesday, July 10 • 15:50 - 16:10
NONLINEAR ELECTRO-MAGNETO-AEROELASTIC ENERGY HARVESTER MODELING WITH STALL AERODYNAMICS

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A novel electro-magneto-aeroelastic energy harvester is proposed employing the single degree of freedom flutter mechanism, in which a free pitching airfoil is augmented with an inductive energy harvesting system made by a permanent magnet attached to the airfoil and a fixed coil. Due to stall aerodynamics in divergent motion after the onset of flutter, such a system will exhibit nonlinear flutter phenomenon, such as LCOs, which can be used to generate energy by the induction effect. To address such a physical problem in energy harvesting, a nonlinear electro-magneto-aeroelastic system model is developed, taking the stall aerodynamics nonlinearity and the electromechanical coupling into account. With given parameters, the nonlinear electro-magneto-aeroelastic behaviour is studied by the time domain simulation approach. A preliminary study reveals the nonlinear aeroelastic behaviour and energy harvesting performance of the present aeroelastic energy harvester.

Moderators
ST

Stephan Tewes

Interior Noise Integration & Vibration, Airbus Operations GmbH

Authors

Wednesday July 10, 2019 15:50 - 16:10 EDT
St-Laurent 6
  T03 Aero… aircrft noise & vibr., SS01 Ac simul tst & cntrl in space