Buchanan Ingersoll & Rooney PC
Rotating three-dimensional ultrasonic anemometer and method of measuring three-dimensional wind velocity using the same
Provided are a three-dimensional (3D) ultrasonic anemometer, a 3D wind velocity measuring method, and a wind turbine. The 3D ultrasonic anemometer includes: an ultrasonic sensor including three pairs of ultrasonic transceivers arranged in different directions, wherein the ultrasonic sensor is installed at a rotation body rotating around a rotation axis and rotates around the rotation axis together with the rotation body; a signal processor outputting a 3D sensed wind velocity sensed by the ultrasonic sensor; and a coordinate converter converting the 3D sensed wind velocity into a 3D fixed wind velocity on a fixed coordinate system by using a rotation angle φ of the rotation body.
KOREA AEROSPACE RESEARCH INSTITUTE
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Seunghoon Tae Hwan Yang Won Byeong Hee
Lee Cho Kim Chang