Response Characteristics of the U.W. Sonic Anemometer

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  • 1 Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195
  • | 2 National Center for Atmospheric Research, Boulder, CO 80307
  • | 3 Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195
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Abstract

A new sonic anemometer, called the U.W. sonic anemometer, has been designed to minimize the flow distortion due to the transducer wakes. We present a general analytical model for calculating the effect of these transducer wakes on measured velocity spectra, and show that the effects in the U.W. sonic anemometer are indeed less than in conventional arrays. We suggest a method of correcting for the errors caused by the transducer wakes.

Abstract

A new sonic anemometer, called the U.W. sonic anemometer, has been designed to minimize the flow distortion due to the transducer wakes. We present a general analytical model for calculating the effect of these transducer wakes on measured velocity spectra, and show that the effects in the U.W. sonic anemometer are indeed less than in conventional arrays. We suggest a method of correcting for the errors caused by the transducer wakes.

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