Karman Vortex Creation Using Cylinder for Flutter Energy Harvester Device
AbstractThis study presents the creation of a Karman vortex for a fluttering electromagnetic energy harvester device using a cylinder. The effects of two parameters, which are the diameter and the position of the cylinder, were investigated on the Karman vortex profile and the amplitude of the fluttering belt, respectively. A simulation was conducted to determine the effect of the creation of the Karman vortex, and an experiment was performed to identify influence of the position of the cylinder on the fluttering belt amplitude. The results demonstrated that vortex-induced vibration occurred at the frequency of the first natural mode for the belt at 3 cm and 10 cm for the diameter and position of the cylinder, respectively. Under such configuration, an electromagnetic energy harvester was attached and vibrated via the fluttering belt inside the turbulent boundary layers. This vibration provides a measured output voltage and can be used in wireless sensors. View Full-Text
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Atrah, A.B.; Ab-Rahman, M.S.; Salleh, H.; Nuawi, M.Z.; Mohd Nor, M.J.; Jamaludin, N.B. Karman Vortex Creation Using Cylinder for Flutter Energy Harvester Device. Micromachines 2017, 8, 227.
Atrah AB, Ab-Rahman MS, Salleh H, Nuawi MZ, Mohd Nor MJ, Jamaludin NB. Karman Vortex Creation Using Cylinder for Flutter Energy Harvester Device. Micromachines. 2017; 8(7):227.Chicago/Turabian Style
Atrah, Ahmed B.; Ab-Rahman, Mohd S.; Salleh, Hanim; Nuawi, Mohd Z.; Mohd Nor, Mohd J.; Jamaludin, Nordin B. 2017. "Karman Vortex Creation Using Cylinder for Flutter Energy Harvester Device." Micromachines 8, no. 7: 227.
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