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Extracting energy from Vortex-Induced Vibrations: A parametric study
Barrero-Gil, Antonio and Pindado Carrion, Santiago and Avila Sanchez, Sergio
Extracting energy from Vortex-Induced Vibrations: A parametric study.
"Applied Mathematical Modelling", v. 36
Here, Vortex-Induced Vibrations (VIVs) of a circular cylinder are analyzed as a potential source for energy harvesting. To this end, VIV is described by a one-degree-of-freedom model where fluid forces are introduced from experimental data from forced vibration tests. The influence of some influencing parameters, like the mass ratio m∗ or the mechanical damping ζ in the energy conversion factor is investigated. The analysis reveals that: (i) the maximum efficiency ηM is principally influenced by the mass-damping parameter m∗ζ and there is an optimum value of m∗ζ where ηM presents a maximum; (ii) the range of reduced velocities with significant efficiency is mainly governed by m∗, and (iii) it seems that encouraging high efficiency values can be achieved for high Reynolds numbers.
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