Journal of Wind Engineering
Online ISSN : 1349-340X
Print ISSN : 1349-3507
ISSN-L : 1349-340X
Volume 43 , Issue 3
[No. 156]
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Technical Report
  • Akinori AKAHOSHI, Akira SARUKAWA, Ryoji SASAKI, Koichi MIYASHITA, Osam ...
    Type: Technical Report
    2018 Volume 43 Issue 3 Pages 91-99
    Published: July 31, 2018
    Released: April 18, 2019
    The criterion for wind environment assessment by Wind Engineering Institute Co., Ltd. is based on the relation between the mean wind speeds measured by 3 cup anemometers and the surrounding condition. Recently, ultrasonic anemometers with lower cost and higher performance has become popular and taken place of 3 cup anemometers; 3-cup anemometers respond to the wind speed change slowly for lower wind speeds while they tend to over-rotate for higher wind speeds due to the effect of inertia force. Considering this circumstances, the present paper investigates the difference between 3 cup anemometer and ultrasonic anemometer for the measured values. Based on the results, we propose a correction method for converting the measured values by 3 cup anemometers to those by ultrasonic anemometers.
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