Observations of relative humidity in the near-wake of a wind turbine using an instrumented unmanned aerial system
- 25 May 2017
- journal article
- research article
- Published by Taylor & Francis Ltd in International Journal of Green Energy
- Vol. 14 (10), 845-860
- https://doi.org/10.1080/15435075.2017.1334661
Abstract
Simulation, modeling, and limited observations have shown that wind farms have an impact on the near-surface atmospheric boundary layer as turbulent wakes enhance vertical mixing of momentum, heat, and moisture. The few observational datasets that do exist lack high spatial resolution due to their use of a limited number of meteorological sensors or remote sensing techniques. This study utilizes an instrumented small unmanned aerial system to gather high-resolution in situ field measurements in order to differentially map near-wake changes to relative humidity. Observations show that downstream relative humidity is differentially altered in the vertical, spanwise and downstream directions.Keywords
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