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SgurrEnergy’s Galion Lidar used in wind turbulence measurement campaign

Published: February 12, 2014

An investigation into the capabilities of remote scanning lidars to measure wind turbulence was recently conducted as part of a collaboration between leading renewable energy consultancy, SgurrEnergy, part of Wood Group, the University of Oklahoma and Lawrence Livermore National Laboratory.

SgurrEnergy’s remote sensing device, Galion Lidar, was used to gather the measurements at the Atmospheric Radiation Measurement site (ARM) in northern Oklahoma, USA.

255- Oklahoma uni GalionAlongside a selection of other measurement devices, Galion Lidar was deployed to measure using a tri-doppler technique to calculate zonal, meridional and vertical wind speed components every second so that the mean wind speed and turbulence statistics could be calculated.

The comparison of device results showed that the tri-doppler technique, conducted by Galion, recorded larger variances in mean wind speeds and measured small scales of turbulence which were not picked up by a standard lidar scanning strategy. The techniques used in this measurement campaign show that lidar technology has the ability to measure high-frequency turbulence in wind energy applications.

Jennifer Newman, one of the researchers involved in the project at the University of Oklahoma, commented: “With the Galion Lidar, we were able to define our own scanning strategies so that we could examine turbulence measurements from different types of scans.

“The flexibility of a scanning lidar is invaluable for this purpose, as it allows you to optimise your scanning strategy to measure turbulence.”

SgurrEnergy’s project manager, Daniel Kupp, said: “We’re pleased that the researchers at the University of Oklahoma and Lawrence Livermore National Laboratory are able to use the flexibility and functionality of the Galion Lidar to promote further innovation at the forefront of remote sensing technology.”

Galion Lidar is a laser-based wind profiler device for wind speed measurement and directional data capture. With its mature remote sensing technology, it is now successfully being used for wind mapping applications globally. Galion Lidar is a pioneering, cutting-edge wind speed measurement technology with a unique all-sky scanning capability and up to 4km range, which is transforming the way that wind is measured and analysed.

Get in touch with our team to find out how Galion Lidar could benefit your onshore or offshore wind project.

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