Wind speed inference from environmental flow–structure interactions
Wind speed inference from environmental flow–structure interactions
复制标题
根据环境流与结构相互作用推断风速
DOI:
10.1017/flo.2021.3
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Dabiri, John O.
中科院分区:
文献类型:
--
作者:
Cardona, Jennifer L.;Bouman, Katherine L.;Dabiri, John O.
This study aims to leverage the relationship between fluid dynamic loading and resulting structural deformation to infer the incident flow speed from measurements of time-dependent structure kinematics. Wind tunnel studies are performed on cantilevered cylinders and trees. Tip deflections of the wind-loaded structures are captured in time series data, and a physical model of the relationship between force and deflection is applied to calculate the instantaneous wind speed normalized with respect to a known reference wind speed. Wind speeds inferred from visual measurements showed consistent agreement with ground truth anemometer measurements for different cylinder and tree configurations. These results suggest an approach for non-intrusive, quantitative flow velocimetry that eliminates the need to directly visualize or instrument the flow itself.
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1993
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