Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session A02: Turbulence: Measurements
8:00 AM–9:31 AM,
Sunday, November 19, 2023
Room: Ballroom B
Chair: Charitha De Silva, University of New South Wales
Abstract: A02.00004 : Fine-scale characterization of urban atmospheric turbulence for reproduction in multi-fan wind facility*
8:39 AM–8:52 AM
Presenter:
Marilou Jourdain de Thieulloy
(University of Applied Sciences and Arts Western Switzerland)
Authors:
Marilou Jourdain de Thieulloy
(University of Applied Sciences and Arts Western Switzerland)
Malicia Leipold
(EPFL / University of Applied Sciences Western Switzerland)
Ruiliang Lin
(Clearspace)
Roni Goldshmid
(Caltech)
Flavio Noca
(University of Applied Sciences and Arts Western Switzerland)
The setup presented here consists of three synchronized three-component hotwire anemometers, which were deployed collocatedly with a sonic anemometer on an actuated rotating rack. The rack automatically aligned the hotwires with the mean flow and enabled rotation of over a 360° range. The setup was stationed on a high rooftop building in Geneva (CH) to capture the spatio-temporal characteristics of atmospheric wind and turbulence at the drone operating altitudes in an urban environment.
*Funded by Swiss National Science Foundation SNSF BRIDGE Grant 187149 "Measurement and Replication of Drone-Scale Atmospheric Turbulence in a Simulator of Autonomous Flight Environments (SAFE) for Drone Certification"
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