Aerodynamics of wind turbine wakes in flat and complex terrains

B. Subramanian, N. Chokani and R.S. Abhari

Renewable Energy, 2016, vol. 85, issue C, 454-463

Abstract: The wake evolution measured downstream of multi-megawatt wind turbines located in flat and complex terrains are described here. These high-resolution measurements at full-scale Reynolds number conditions are made with an instrumented drone that is equipped with a suite of sensors and detail the characteristics of the mean flow and turbulent kinetic energy in the evolving wake. Reynolds decomposition yields the nature of turbulent fluctuations in surface layer, and this decomposition is used to detail the turbulence statistics, degree of anisotropy and friction velocity. These measurements are shown to be suited for the further development of three-dimensional wake models that are currently under intensive development.

Keywords: Experimental; Drone; Wake; Wind; Turbulence (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:85:y:2016:i:c:p:454-463

DOI: 10.1016/j.renene.2015.06.060

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