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Wind Tunnel Testing of a Telescopic Blade Wind Turbine

[+] Author Affiliations
Mustahib Imraan, Rajnish N. Sharma, Richard G. J. Flay

University of Auckland, Auckland, New Zealand

Paper No. POWER2011-55070, pp. 493-499; 7 pages
doi:10.1115/POWER2011-55070
From:
  • ASME 2011 Power Conference collocated with JSME ICOPE 2011
  • ASME 2011 Power Conference, Volume 2
  • Denver, Colorado, USA, July 12–14, 2011
  • ISBN: 978-0-7918-4460-1
  • Copyright © 2011 by ASME

abstract

The reduction in cost of energy from wind turbines requires many technical contributions from all areas of Wind Energy Conversion Systems. The concept of a telescopic blade has been analyzed to improve rotor blade performance. The effect of a step change is significant for any extension. The current simulation model in WT Perf with a Prandtl tip and hub loss model over-predicts the rotor performance. The correlations developed herein for telescopic blades with step change in the blade chord are in good agreement with the experimental data. The maximum loss for a rotor blade with a step change occurs when the extension is equal to the root blade chord.

Copyright © 2011 by ASME

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