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Modeling and Optimization of a Vortex Induced Vibration Fluid Kinetic Energy Harvester

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2014Publisher:Elsevier BVJournal:Procedia Engineering, volume 87, pages 779-782 (issn: 1877-7058,

Authors: Robert Schulze; Quan Wen; Detlef Billep; Thomas Otto; Thomas Gessner; Thomas Gessner;

doi: 10.1016/j.proeng.2014.11.656

Modeling and Optimization of a Vortex Induced Vibration Fluid Kinetic Energy Harvester

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Abstract

AbstractIn this contribution a fluid kinetic energy harvester excited by vortex induced vibration (VIV) is proposed. In terms of describing and verifying the interaction between the structural and the fluidic domain, a two-way Fluid Structure Interaction (FSI) simulation has been carried out. In order to optimize the harvester, different designs have been investigated to improve the performance. Subsequently, a demonstrator setup for testing the manufactured harvester has been assembled. The experimental results were compared with that of FSI-simulations. By applying the optimized harvester structure, the vortex induced pressure could be enhanced 4 times compared to convetional structures. The results show that the VIV energy harvester deliver 1μW power output under 2 m/s air flows.

Related Organizations

Chemnitz University of Technology
Germany
Fraunhofer Society
Germany
Chemnitz University of Technology
Germany
Fraunhofer Institute for Electronic Nano Systems
Germany

Keywords

Fluid kinetic energy, Karman vortex street, Piezoelectricity, Energy harvester, Vortex Induced Vibration, Engineering(all)

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