Articles | Volume 17, issue 5
https://doi.org/10.5194/amt-17-1441-2024
https://doi.org/10.5194/amt-17-1441-2024
Review article
 | 
08 Mar 2024
Review article |  | 08 Mar 2024

Modelling of cup anemometry and dynamic overspeeding in average wind speed measurements

Troels Friis Pedersen and Jan-Åke Dahlberg

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Latest update: 21 May 2024
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Short summary
Accuracy is important in wind speed measurements with cup anemometers. Dynamic overspeeding is historically considered an inherent and significant error, supported by a two-cup drag model. But lower (and even zero) overspeeding might be present for low-to-medium turbulence intensities for conical cups with short arms. A parabolic torque model reveals various dynamic overspeeding characteristics of cup anemometers, but modelling of actual cup anemometers is best made with tabulated data.