Products

Whirlwind 1, a compact and robust Doppler wind lidar


Whirlwind 1 Whirlwind 1 is the state-of-the-art Doppler lidar for nacelle-based wind measurements. Installation in the spinner of wind turbines results in a conical scan while the rotor is turning, from which the wind vector ahead of the rotor is calculated. Main characteristics:

Downloads: Datasheet (in English), Datenblatt (auf deutsch).

Whirlwind stand



Prototype:

Whirlwind 1 on a stand with antenna rotor, an economic instrument for ground-based assessment of wind resource in the context of wind farm planning. The 360° rotation time is 50 seconds, typically.

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Whirlwind 1 was developed at University of Oldenburg with funds from the Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety, Berlin, Germany.



Image below:
Screenshot of the Graphical User Interface, with (from top to bottom) analog detector data, spectrum from aerosol backscatter showing the Doppler peak at 250 m distance from which wind speed is derived, and colour coded wind profiles where measuring points correspond to seconds.
Graphical User Interface