15 March 2018 Feasibility study of interacting side-by-side piezoelectric harvesters in low-intensity grid-generated turbulence
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Abstract
Resonant fluidic harvesters can typically be tuned to the frequency of the flow, so they yield a larger power output compared to their non-resonant counterparts. In order to explore increasing this output for non-resonance harvesters, a feasibility study has been performed to analyze the behavior of two side-by-side piezoelectric harvesters in low-intensity (less than 0.5%) grid-generated turbulence with respect to beam configurations, mean flow velocity, distance from the grid and separation between the two beams. Experimental results show that the potential for energy harvesting is perhaps not as great in the low mean-velocity flow as it is for the higher speed cases which are accompanied by flutter, but the side-by-side piezoelectric beams display potential for use as turbulence sensors at low speeds.
Conference Presentation
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Kevin Ferko, Kevin Ferko, David Lachendro, David Lachendro, Andrew Bradley, Andrew Bradley, Amir H. Danesh-Yazdi, Amir H. Danesh-Yazdi, "Feasibility study of interacting side-by-side piezoelectric harvesters in low-intensity grid-generated turbulence", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105950Q (15 March 2018); doi: 10.1117/12.2300586; https://doi.org/10.1117/12.2300586
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