Friday, February 02, 2007

Wind speed at light speed

This is ZephIR, a highly accurate wind velocity lidar measurement for wind turbine farms, that we just acquired here at the CRES demo wind farm. It's a very unique piece of technology that measures the Doppler shift of laser radiation scattered by atmospheric aerosols in order to provide the user with the wind speed and direction at multiple heights up to 150 m. It also quantifies wind behaviour in terms of both turbulence and wind shear. It's fast to deploy and redeploy, with no requirement for planning permission.

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