Spatial Resolution of the Pressure Anemometer

W. A. Oost Royal Netherlands Meteorological Institute (KNMI), Wilhelminalaan 10,3730 AE Do Bilt, Netherlands

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G. J. Komen Royal Netherlands Meteorological Institute (KNMI), Wilhelminalaan 10,3730 AE Do Bilt, Netherlands

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Abstract

One of the important characteristics of an anemometer is its spatial resolution. A three-dimensional generalization is given of a method to calculate the transfer function as a function of the wavenumber, devised by Kaimal et al. for a sonic anemometer. The method has been applied to the sensor system of the pressure anemometer, a new type of wind vector measuring instrument. The results, given in a number of figures, show an extremum before the transfer function falls off to its final value.

Abstract

One of the important characteristics of an anemometer is its spatial resolution. A three-dimensional generalization is given of a method to calculate the transfer function as a function of the wavenumber, devised by Kaimal et al. for a sonic anemometer. The method has been applied to the sensor system of the pressure anemometer, a new type of wind vector measuring instrument. The results, given in a number of figures, show an extremum before the transfer function falls off to its final value.

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