Energy harvesting from galloping of prisms: A wind tunnel experiment

[en] We study the energy harvesting from the galloping oscillations of rigid prisms flexibly mounted in a wind tunnel. A square section and a 2/3 rectangular section are tested and the inclination angle of the prisms referred to the flow direction is optimally adapted. The energy harvester is based on magnets moving with the prism in the front of a coil-core at rest. Energy is dissipated in a load resistance for which an optimal value is found. Efficiency of the "prism wind turbine" is weak compared to usual wind turbine due to the physics of the galloping mechanism. However such systems remain interesting for their potential of adaptation to various situations.

Disciplines :

Energy
Aerospace & aeronautics engineering
Civil engineering
Mechanical engineering
Electrical & electronics engineering

Author, co-author :

Hémon, Pascal

Amandolèse, Xavier

Andrianne, Thomas ; Université de Liège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale

Language :

English

Title :

Energy harvesting from galloping of prisms: A wind tunnel experiment

Publication date :

17 February 2017

Journal title :

Journal of Fluids and Structures

ISSN :

0889-9746

eISSN :

1095-8622

Publisher :

Academic Press, London, United Kingdom

Volume :

Pages :

390-402

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://dx.doi.org/10.1016/j.jfluidstructs.2017.02.006

Available on ORBi :

since 01 March 2017

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