Blue Cloud Wind LLC

Our project has utilized the quick benefits of a SoDAR monitor. SODAR (SOnic Detection And Ranging) is a meteorological instrument that profiles the wind; it functions like SONAR, sending sound waves out, not into the water, but rather into the air. SoDARs are often used to supplement information gathered from a nearby meteorological tower, or “met tower.” It measures wind direction, speed, density and turbulence at 10 meter intervals, up to an occasional 200 meters. SoDAR machines most accurately confirm a shear component of the graduated, increasing speed of wind, as elevations above ground increase. Most wind turbine rotors capture the wind at heights of 40 to 150 meters (130’ to 500’). We need to know, as accurately as possible, the expected energy available to produce electricity in that range; SoDARs provide that information.

In our development work, we moved the portable SoDAR around the projects to primarily confirm the wind speeds at varied positions, some away from the highest elevations, to capture a long term record, and to measure some of the impacts of tree shelter belts.

It is a fascinating idea that sound waves help us capture information. You can see below, some days were easy moves, some days treacherous.

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In the spirit of harnessing renewable energy, we connected solar to supplement powering the SoDAR.

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