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Low-Speed Wind Turbine Design and Fabrication

[+] Author Affiliations
Michael Zeamer, Matthew Zeamer, R. S. Amano, Pradeep Mohan Mohan Das, Andrew Welsh, Brian Polly

University of Wisconsin-Milwaukee, Milwaukee, WI

Paper No. DETC2011-47068, pp. 299-304; 6 pages
doi:10.1115/DETC2011-47068
From:
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 31st Computers and Information in Engineering Conference, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5479-2
  • Copyright © 2011 by ASME

abstract

A wind energy has getting more attention due to its free-source, its nature of renewable energy, and free of carbon dioxide emission. As the wind map varies area to area, the wind energy collection strongly depends on the site. In order to maximize the amount of energy captured, an improved, low airspeed wind turbines are demanded to be designed. A wind turbine studied was created using the NACA 4412 foil shape and a decreasing chord length with increasing distance from the center of the turbine. The pitch was also varied along the span of the blade. The blade was analyzed using CFD and tested in a wind tunnel facility. The turbine was connected to a motor which was connected to a resistor and current and voltage meters. Using the voltage and current data at a prescribed rate of rotation, the model generated decent power output. The study focused mostly for a low-speed wind up to 2m/s (or 3.4 mph). For practical use the turbine would need to be scaled to a greater size and a proportional-integral-derivative controller (PID controller) that can generate higher resistance would need to be employed.

Copyright © 2011 by ASME

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