1 September 2015 Parameterization of a geometrical reaction time model for two beam nacelle lidars
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Abstract
The reaction time model is briefly reintroduced as published in a previous publication to explain the restrictions of detecting a horizontal homogenous wind field by two beams of a LiDAR placed on a wind turbine's nacelle. The model is parameterized to get more general statements for a beneficial system design concept. This approach is based on a parameterization towards the rotor disc radius R. All other parameters, whether they are distances like the measuring length or velocities like the cut-out wind speed, can be expressed by the rotor disc radius R. A review of state-of-the-art commercially available wind turbines and their size and rotor diameter is given to estimate the minimum measuring distances that will benefit most wind turbine systems in present as well as in the near future. In the end, the requirements are matched against commercially available LiDARs to show the necessity to advance such systems.
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Thorsten Beuth, Thorsten Beuth, Maik Fox, Maik Fox, Wilhelm Stork, Wilhelm Stork, } "Parameterization of a geometrical reaction time model for two beam nacelle lidars", Proc. SPIE 9612, Lidar Remote Sensing for Environmental Monitoring XV, 96120J (1 September 2015); doi: 10.1117/12.2184053; https://doi.org/10.1117/12.2184053
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