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Analysis of vertical wind shear in the Southern Great Plains and potential impacts on estimation of wind energy production

Author

Listed:
  • Scott Greene
  • Kylah McNabb
  • Ryan Zwilling
  • Mark Morrissey
  • Steve Stadler

Abstract

This paper describes the analysis of near-surface wind speeds in Western Oklahoma. The goals of this research are to characterise the nocturnal low-level jet (LLJ) in the region, and to assess the impact wind variability, vertical shear and the LLJ on wind energy calculations. Results show the seasonal variability in wind characteristics as well as in the vertical wind shear, and also illustrate the errors associated with traditional estimates of wind power density in locations with a decoupled wind field. A comparison of projected energy output from three standard commercial turbines shows that traditional density estimations significantly underestimated power yield. The mean wind power density estimated via traditional means is significantly less than a more complete determination incorporating the LLJ. This difference illustrates the need to acquire accurate information regarding 50-150 m wind variability to produce improved estimates of wind energy resources.

Suggested Citation

  • Scott Greene & Kylah McNabb & Ryan Zwilling & Mark Morrissey & Steve Stadler, 2009. "Analysis of vertical wind shear in the Southern Great Plains and potential impacts on estimation of wind energy production," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 32(3), pages 191-211.
    • Handle: RePEc:ids:ijgeni:v:32:y:2009:i:3:p:191-211
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    Cited by:

    1. Fırtın, Ebubekir & Güler, Önder & Akdağ, Seyit Ahmet, 2011. "Investigation of wind shear coefficients and their effect on electrical energy generation," Applied Energy, Elsevier, vol. 88(11), pages 4097-4105.
    2. Wimhurst, Joshua J. & Greene, J. Scott, 2019. "Oklahoma's future wind energy resources and their relationship with the Central Plains low-level jet," Renewable and Sustainable Energy Reviews, Elsevier, vol. 115(C).

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