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Two Dimensional Modeling and Simulation of a Tethered Airfoil System for Harnessing Wind Energy

[+] Author Affiliations
Tuhin K. Das, Rahulram Sridhar

Rochester Institute of Technology, Rochester, NY

Ranjan Mukherjee, Aren Hellum

Michigan State University, East Lansing, MI

Paper No. DSCC2011-6135, pp. 811-818; 8 pages
doi:10.1115/DSCC2011-6135
From:
  • ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control
  • ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 1
  • Arlington, Virginia, USA, October 31–November 2, 2011
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-5475-4
  • Copyright © 2011 by ASME

abstract

A novel wind machine is described in which an airfoil-like kite is tethered to a moving base; the non-conservative nature of the wind loads over a cycle of the kite allows energy to be extracted at the base. A dynamic model for the kite-tether system is derived which models the tether as a series of point masses connected by massless rods. The lift and drag characteristics of the kite are determined from airfoil calculations. The system has been found to be stable via simulation at several wind speeds of interest. A sample base motion which extracts energy from the oncoming wind is also presented.

Copyright © 2011 by ASME

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