Journal of Agricultural Meteorology
Online ISSN : 1881-0136
Print ISSN : 0021-8588
ISSN-L : 0021-8588
Development of a Short Span (3cm) Sonic Anemometer
Ken HAMOTANINobutaka MONJIYukio OMOTO
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1990 Volume 46 Issue 3 Pages 143-146

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Abstract
A short (3cm) span sonic anemometer for vertical wind component was developed using inexpensive ultrasonic transducers. Wind tunnel test indicates this anemometer can be used within the tilt angle about ±30°. A field test with a commercial sonic anemometer (span=20cm) at two heights indicates that high frequency attenuation is less for the new short span anemometer near the surface.
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© The Society of Agricultural Meteorology of Japan
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