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There is a startup that has designed an ultrasonic wind field sensor that can make many measurements of the wind field above the instrument. The instrument is
by brandmeyer 10y ago
There is a startup that has designed an ultrasonic wind field sensor that can make many measurements of the wind field above the instrument. The instrument is on a smallish trailer, towed by a pickup to the test site. Once there, it can take measurements of the wind field up to 200m or so above the trailer. The idea is to make a cheaper replacement to the met towers that wind turbine site surveys use today.
Its much more expensive than a ground-level mechanical anemometer, but also much less expensive than a tower with an anemometer.
- Helmet 10y agoWhich start-up?
- brandmeyer 10y agoMy information was out of date. The startup was Second Wind. They have since been bought by Vaisala, and their product currently ships under the Triton name.
- mturmon 10y agoAFAIK, there are not that many large-scale operational retrievals of wind velocity by remote methods. The ultrasound technique you mention for remote retrieval (which was news to me) is apparently based on this kind of rig: https://en.wikipedia.org/wiki/SODAR https://en.wikipedia.org/wiki/SODAR Ocean surface winds are retrieved on vast scales by satellite measurements, due to their effect on the surface roughness, which is measured by radar (e.g., https://manati.star.nesdis.noaa.gov/products.php https://manati.star.nesdis.noaa.gov/products.php). But that's an exceptional case.