Reference : Energy harvesting from different aeroelastic instabilities of a square cylinder
Scientific journals : Article
Engineering, computing & technology : Energy
Engineering, computing & technology : Civil engineering
Engineering, computing & technology : Aerospace & aeronautics engineering
http://hdl.handle.net/2268/216623
Energy harvesting from different aeroelastic instabilities of a square cylinder
English
Andrianne, Thomas mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale >]
Aryoputro, Renar [> >]
Laurent, Philippe mailto [Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés >]
Colson, Gérald mailto [Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés >]
Amandolèse, Xavier [> >]
Hémon, Pascal [> >]
Jan-2018
Journal of Wind Engineering & Industrial Aerodynamics
Elsevier Science
172
164-169
Yes (verified by ORBi)
International
0167-6105
[en] Energy Harvesting ; Aeroelasticity ; Galloping ; Vortex-Induced-Vibration ; Wind tunnel ; Modelling
[en] This paper presents an experimental and numerical investigation of the power extraction from the oscillations of a square beam due to aeroelastic instabilities. The energy harvesting is performed using a coil-magnet arrangement connected to a variable resistance load with the target objective to auto-power a remote sensor. Two aeroelastic phenomena are investigated: Vortex Induced Vibration (VIV) and cross-flow galloping. The first instability (VIV) is analyzed on a free-standing vertical structure. A second experimental set-up is developed on a horizontal square cylinder supported by springs, free to oscillate vertically as a rigid body. In this case, both galloping and VIV interact, leading to interesting characteristics in order to harvest energy from the wind. The behavior of each electro-mechanical aeroelastic system is investigated for different reduced wind speeds and load resistances in a wind tunnel. Observed efficiencies are rather low, but large enough to power a remote sensor with an adapted measuring strategy. Both harvesting systems are then studied numerically using a wake oscillator model (for VIV) coupled to a quasi-steady model (for galloping) and an electric model (for the harvester). This mathematical model is used to extend the parametric space and to highlight the effectiveness of the high stable branch of the VIV-galloping curve to harvest energy.
Aérospatiale et Mécanique - A&M
Researchers ; Professionals
http://hdl.handle.net/2268/216623
10.1016/j.jweia.2017.10.031

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