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DOI: 10.4121/12832118

Van Ramshorst, Justus; Coenders, Miriam; Schilperoort, Bart; van de Wiel, B. J. H. (Bas); Izett, Jonathan et. al. (2020): Data from: Revisiting wind speed measurements using actively heated fiber optics: a wind tunnel study. Version 1. 4TU.ResearchData. dataset. https://doi.org/10.4121/12832118.v1

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Categories

• Physical Geography and Environmental Geoscience
• Atmospheric Sciences

Keywords

Actively heated fiber-optic (AHFO) AHFO Distributed temperature sensing (DTS) DTS wind speed

Geolocation

Time coverage

2018

Licence

CC0

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by Justus Van Ramshorst , Miriam Coenders , Bart Schilperoort , B. J. H. (Bas) van de Wiel , Jonathan Izett , J.S. (John) Selker , Chad W. Higgins, Hubert H.G. Savenije, N.C. (Nick) van de Giesen

Near-surface wind speed is typically only measured by point observations. The Actively Heated Fiber-Optic (AHFO) technique, however, has the potential to provide high-resolution distributed observations of wind speeds, allowing for better spatial characterization of fine-scale processes. Before AHFO can be widely used, its performance needs to be tested in a range of settings. In this work, experimental results on this novel observational wind-probing technique are presented. In a controlled wind-tunnel setup we assessed both the accuracy and the precision of AHFO under a range of operational conditions (wind speed, angles of attack and temperature difference). The technique allows for wind speed characterization with a spatial resolution of 0.3-m on a 1-s time scale. The flow in the wind tunnel was varied in a controlled manner, such that the mean wind, ranged between 1 and 17 ms-1. The AHFO measurements are compared to sonic anemometer measurements.

History

• 2020-08-21 first online, published, posted

Publisher

4TU.ResearchData

Format

csv

Associated peer-reviewed publication

Revisiting wind speed measurements using actively heated fiber optics: a wind tunnel study

Funding

• NWO Earth and Life Sciences, Veni project 863.15.022

Organizations

TU Delft, Faculty of Civil Engineering and Geosciences, Department of Water Management