2022
DOI: 10.5194/wes-2022-85
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Dependence of turbulence estimations on nacelle-lidar scanning strategies

Abstract: Abstract. Through numerical simulations and the analysis of field measurements, we investigate the dependence of the accuracy and uncertainty of turbulence estimations on the main features of the nacelle lidars' scanning strategy, i.e., the number of measurement points, the half-cone opening angle, the focus distance and the type of the lidar system. We assume homogeneous turbulence over the lidar scanning area in front of a Vestas V52 wind turbine. The Reynolds stresses are computed via a least-squares proced… Show more

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Cited by 2 publications
(2 citation statements)
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“…x + u 2 y . We do not simulate the lidar probe volume, which is important for turbulence estimations using lidars (Peña et al, 2017;Fu et al, 2022). Therefore, the radial velocities are retrieved as point measurements with a three-dimensional linear interpolation from the flow solution.…”
Section: Virtual Lidar Measurementsmentioning
confidence: 99%
“…x + u 2 y . We do not simulate the lidar probe volume, which is important for turbulence estimations using lidars (Peña et al, 2017;Fu et al, 2022). Therefore, the radial velocities are retrieved as point measurements with a three-dimensional linear interpolation from the flow solution.…”
Section: Virtual Lidar Measurementsmentioning
confidence: 99%
“…Furthermore, the bridge construction ( 6) can be reformulated to only constrain the wind field on the instantaneous radial component of the wind field available from the line-of-sight measurements from LIDAR. Therefore, a systematic reconstruction of the wind field,e .g., from SpinnerLIDAR trajectories as outlined in [23], should offer further possibilities for validating the superstatistical model.…”
Section: Reconstruction Of Spatiotemporal Wind Fields From Line-of-si...mentioning
confidence: 99%