10 April 2013 Electroaeroelastic modeling and analysis of a hybrid piezoelectric-inductive flow energy harvester
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Abstract
The conversion of aeroelastic vibrations into low-power electricity has received growing attention in the energy harvesting literature. Most of the existing research on wind energy harvesting has focused on transforming flow-induced vibrations into electricity by employing electromagnetic or piezoelectric transduction mechanisms separately. In this work, a hybrid airfoil-based aeroelastic energy harvester that simultaneously exploits piezoelectric transduction and electromagnetic induction is analyzed based on fully coupled electroaeroelastic modeling. Both forms of electromechanical coupling are introduced to the plunge degree of freedom. The interaction between total power generation (from piezoelectric transduction and electromagnetic induction) and the linear electroaeroelastic behavior of the typical section is investigated in the presence of two separate electrical loads. The effects of systems parameters, such as internal coil resistance, on the total power output and linear flutter speed are also discussed.
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J. A. C. Dias, J. A. C. Dias, C. De Marqui, C. De Marqui, Alper Erturk, Alper Erturk, } "Electroaeroelastic modeling and analysis of a hybrid piezoelectric-inductive flow energy harvester", Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 86882N (10 April 2013); doi: 10.1117/12.2009825; https://doi.org/10.1117/12.2009825
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