Piezoelectric energy harvesting from vortex-induced vibrations of circular cylinder

Mehmood, Arshad; Abdelkefi, Abdessattar; Hajj, Muhammad R.; Nayfeh, Ali H.; Akhtar, Imran; Nuhait, A.

doi:10.1016/j.jsv.2013.03.033

Cited by 243 publications

(103 citation statements)

References 46 publications

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“…Stimulated by the VIV, some vortex-induced piezoelectric energy harvesters were studied and reported [35][36][37][38]. Zhang et al [39] numerically studied a vortex-induced piezoelectric energy harvester which consisted of a cylinder and two piezoelectric beams.…”

Section: Introductionmentioning

confidence: 99%

A Novel Piezoelectric Energy Harvester Using the Macro Fiber Composite Cantilever with a Bicylinder in Water

Song

Shan

et al. 2015

Applied Sciences

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Abstract:A novel piezoelectric energy harvester equipped with two piezoelectric beams and two cylinders was proposed in this work. The energy harvester can convert the kinetic energy of water into electrical energy by means of vortex-induced vibration (VIV) and wake-induced vibration (WIV). The effects of load resistance, water velocity and cylinder diameter on the performance of the harvester were investigated. It was found that the vibration of the upstream cylinder was VIV which enhanced the energy harvesting capacity of the upstream piezoelectric beam. As for the downstream cylinder, both VIV and the WIV could be obtained. The VIV was found with small L/D, e.g., 2.125, 2.28, 2.5, and 2.8. Additionally, the WIV was stimulated with the increase of L/D (such as 3.25, 4, and 5.5). Due to the WIV, the downstream beam presented better performance in energy harvesting with the increase of water velocity. Furthermore, it revealed that more electrical energy could be obtained by appropriately matching the resistance and the diameter of the cylinder. With optimal resistance (170 kΩ) and diameter of the cylinder (30 mm), the maximum output power of 21.86 μW (sum of both piezoelectric beams) was obtained at a water velocity of 0.31 m/s.

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Section: Introductionmentioning

confidence: 99%

A Novel Piezoelectric Energy Harvester Using the Macro Fiber Composite Cantilever with a Bicylinder in Water

Song

Shan

et al. 2015

Applied Sciences

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“…For example, Abdelkefi et al [7] presented a theoretical analysis using a wake-oscillator model to describe fluid forces on the oscillating circular cylinder which is appropriately coupled with the cylinder and piezoelectric dynamics. Additional theoretical and numerical research can be found in Mehmood et al [8] and Dai et al [9,10], as well as in Akaydin et al [11] where an experimental approach is also given.…”

Section: Introductionmentioning

confidence: 99%

Enhanced mechanical energy extraction from transverse galloping using a dual mass system

Vicente-Ludlam

Barrero-Gil

Velázquez

2015

Journal of Sound and Vibration

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This paper offers a theoretical study of energy extraction through transverse galloping using a dual-mass system. To this end, a two-degree-of-freedom model is developed where fluid forces on the galloping body are described resorting to quasi-steady hypothesis; the model is solved approximately by using the Harmonic Balance Method. Three possible configurations of the dual-mass system have been analyzed. Two of them show an improvement in the efficiency of energy extraction with respect to that of the single mass configuration when the mechanical properties of the dual-mass system are appropriately chosen. In addition, the dual-mass system promotes a broadening of the values of the incident flow velocities at which the efficiency is kept high.

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“…Energy harvesting from vortex-induced vibrations of circular cylinders has also been investigated in a few studies. [14][15][16] Another aeroelastic phenomenon that has shown promise for harvesting energy is the galloping of prismatic structures. Transverse galloping of an elastic bluff body occurs when the wind speed exceeds a critical value and, consequently, the body starts to oscillate.…”

mentioning

confidence: 99%

Performance enhancement of piezoelectric energy harvesters from wake galloping

Abdelkefi

Scanlon

McDowell

et al. 2013

Applied Physics Letters

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Piezoelectric energy harvesting from vortex-induced vibrations of circular cylinder

Cited by 243 publications

References 46 publications

A Novel Piezoelectric Energy Harvester Using the Macro Fiber Composite Cantilever with a Bicylinder in Water

A Novel Piezoelectric Energy Harvester Using the Macro Fiber Composite Cantilever with a Bicylinder in Water

Enhanced mechanical energy extraction from transverse galloping using a dual mass system

Performance enhancement of piezoelectric energy harvesters from wake galloping

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