@inproceedings{9d1ce4abbddd4eb8bf11493a31c7650a,
title = "Power and efficiency analysis of a flapping wing wind energy harvester",
abstract = "Energy harvesting from flowing fluids using flapping wings and fluttering aeroelastic structures has recently gained significant research attention as a possible alternative to traditional rotary turbines, especially at and below the centimeter scale. One promising approach uses an aeroelastic flutter instability to drive limit cycle oscillations of a flexible piezoelectric energy harvesting structure. Such a system is well suited to miniaturization and could be used to create self-powered wireless sensors wherever ambient flows are available. In this paper, we examine modeling of the aerodynamic forces, power extraction, and efficiency of such a flapping wing energy harvester at a low Reynolds number on the order of 1000. Two modeling approaches are considered, a quasi-steady method generalized from existing models of insect flight and a modified model that includes terms to account to the effects of dynamic stall. The modified model is shown to provide better agreement with CFD simulations of a flapping energy harvester.",
keywords = "Aerodynamics, Dynamic stall, Energy harvesting, Flapping, Flutter, Quasi-steady, Unsteady, Wind power",
author = "Matthew Bryant and Shafer, {Michael W.} and Ephrahim Garcia",
year = "2012",
doi = "10.1117/12.915344",
language = "English (US)",
isbn = "9780819489982",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
booktitle = "Active and Passive Smart Structures and Integrated Systems 2012",
note = "Active and Passive Smart Structures and Integrated Systems 2012 ; Conference date: 12-03-2012 Through 15-03-2012",
}