Karman vortex creation using cylinder for flutter energy harvester device

Ahmed B. Atrah, Mohd Syuhaimi Ab Rahman, Hanim Salleh, Mohd. Zaki Nuawi, Mohd. Jailani Mohd Nor, Nordin Jamaludin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This 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.

Original languageEnglish
Article number227
JournalMicromachines
Volume8
Issue number7
DOIs
Publication statusPublished - 21 Jul 2017

Fingerprint

Flutter (aerodynamics)
Harvesters
Vortex flow
Electromagnetic waves
Boundary layers
Sensors
Electric potential
Experiments

Keywords

  • Aerodynamic flutter
  • Airflow energy harvesting
  • Flow over a bluff body
  • Karman vortex
  • Wind energy

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Karman vortex creation using cylinder for flutter energy harvester device. / Atrah, Ahmed B.; Ab Rahman, Mohd Syuhaimi; Salleh, Hanim; Nuawi, Mohd. Zaki; Mohd Nor, Mohd. Jailani; Jamaludin, Nordin.

In: Micromachines, Vol. 8, No. 7, 227, 21.07.2017.

Research output: Contribution to journalArticle

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