An Investigation of Wind Farm Power Production for Various Atmospheric Boundary Layer Heights

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Abstract

The dependency of the atmospheric boundary layer (ABL) characteristics on the ABL's height is investigated by using large eddy simulations (LES). The impacts of ABL's height on the wind turbine (WT) power production are also investigated by simulating two subsequent wind turbines using the actuator line method (ALM). The results show that, for the same driving pressure forces and aerodynamic roughness height, the wind velocity is higher at deeper ABL, while the wind shear and the wind veer are not affected by the depth. Moreover, the turbulence intensity, kinetic energy, and kinematic shear stress increase with the ABL's height. Higher power production and power coefficient are obtained from turbines operating at deeper ABL.

Original languageEnglish
Article number051216
JournalJournal of Energy Resources Technology, Transactions of the ASME
Volume139
Issue number5
DOIs
Publication statusPublished - 2017

Subject classification (UKÄ)

  • Energy Engineering
  • Fluid Mechanics and Acoustics

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