Volume 10: Proceedings of 12th International Conference on Applied Energy, Part 2, Thailand/Virtual, 2020

Flow Induce Vibration Energy Harvesting of Circular Oscillator Under Square Wake Vahid Tamimi, Jian Wu

Abstract

Modification of the immediate flow field by means of an upstream circular body has been effective in the energy harvesting improvement of circular oscillators. In this empirical study, the influence of square wake on the harnessed power and efficiency of circular oscillators is investigated. The subject has not been addressed by other researchers. The results show that the square wake has Improving effects on the mechanical power of circular oscillators but deteriorates the hydroelastic efficiency. The overall energy harvesting performance of circular oscillators under nearby square wake is slightly higher than that in single configuration but is almost half of that under circular wake.

Keywords flow induced vibration, energy harvesting, square wake, circular oscillator

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