NDLI: Investgation of Wake Effects in Aeroelastic Flutter Vibration Energy Harvesting

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Matthew, J. Bryant Michael, E. Isenberg Garcia, Ephrahim
Copyright Year	2010
Abstract	This paper examines a novel energy harvesting device for powering wireless sensors or other low power electronics by extracting energy from an ambient fluid flow. In particular, a simple device driven by aeroelastic flutter vibrations has been designed to extract vibratory energy from the flow and then transduce these vibrations to electrical current via cyclically straining piezoelectric patches. This energy harvester is driven by aeroelastic flutter vibrations of a two degree of freedom structure that grow in amplitude until steady limit cycle oscillation is reached. One application for such as system is using multiple devices simultaneously to create a “wind panel” system that could be used in areas where traditional wind turbines are impractical. Successful design of such a system will require consideration of the downstream wake effects of multiple energy harvesters operating in close proximity. Preliminary wind tunnel studies investigating these effects on the steady state power output of several aeroelastic energy harvesting devices arranged in multiple configurations are presented and analyzed.
Sponsorship	Aerospace Division
Starting Page	575
Ending Page	582
Page Count	8
File Format	PDF
ISBN	9780791844151
DOI	10.1115/SMASIS2010-3772
e-ISBN	9780791838860
Volume Number	ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1
Conference Proceedings	ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Language	English
Publisher Date	2010-09-28
Publisher Place	Philadelphia, Pennsylvania, USA
Access Restriction	Subscribed
Subject Keyword	Wind Degrees of freedom Vibration Fluid dynamics Wind tunnels Oscillations Limit cycles Energy harvesting Flow (dynamics) Steady state Design Flutter (aerodynamics) Wakes Sensors Wind turbines Low-power electronics Electric current
Content Type	Text
Resource Type	Article

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