A Study on Application of a Three-Dimensional Ultrasonic Anemometer at Wind Observation near a Building

Abstract

This study proposed a correction procedure for field observation data obtained by a three-dimensional ultrasonic anemometer. First, wind tunnel experiments were carried out in order to evaluate directional characteristics of the anemometer. Then, by using the experimental results, a correction table was developed which is used for correcting raw observation data. The effectiveness of the correction procedure was verified by applying it to the past field observation data obtained close to a building. From the comparison between raw and corrected data, it was found that the proposed procedure is effective for the mean vertical wind direction of larger than 30 degrees or smaller than -30 degrees.