Estimation of the integral scales of atmospheric turbulence with UAV

Alexander Shelekhov; Aleksey Afanasiev; Evgeniya Shelekhova; Alexey Kobzev; Alexey Tel’minov; Alexander Molchunov; Olga Poplevina

doi:10.1117/12.2603408

15 December 2021 Estimation of the integral scales of atmospheric turbulence with UAV

Alexander Shelekhov, Aleksey Afanasiev, Evgeniya Shelekhova, Alexey Kobzev, Alexey Tel’minov, Alexander Molchunov, Olga Poplevina

Author Affiliations +

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119166H (2021) https://doi.org/10.1117/12.2603408
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

Turbulence spectra and turbulence scales were measured with the AMK-03 acoustic meteorological station and DJI Phantom 4 Pro unmanned aerial vehicle (UAV). The measurements were carried out in the Geophysical Observatory of the Institute of Monitoring of Climatic and Ecological Systems SB RAS, which is located at a territory with complex orography. The turbulence spectra obtained with the AMK-03 and DJI Phantom 4 Pro generally coincide with some discrepancies observed in the high-frequency spectral range starting from Hz. The lateral and longitudinal turbulence spectra in the inertial range obey the “5/3” law, and their ratio corresponds to the Kolmogorov—Obukhov isotropic turbulence. The obtained experimental spectra were approximated by the least square fit method with the von Karman mathematical model. The turbulence scales calculated from the AMK-03 and DJI Phantom 4 Pro findings coincide, and the condition describing the relation between the longitudinal and lateral scales in the isotropic atmosphere is fulfilled.

Citation Download Citation

Alexander Shelekhov, Aleksey Afanasiev, Evgeniya Shelekhova, Alexey Kobzev, Alexey Tel’minov, Alexander Molchunov, and Olga Poplevina "Estimation of the integral scales of atmospheric turbulence with UAV", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119166H (15 December 2021); https://doi.org/10.1117/12.2603408

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