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Simulation of Flows at Low Reynolds Numbers as Applied to the Design of Aerodynamic Surfaces for Unmanned Aerial Vehicles

Abstract

The paper investigates the applicability of various turbulence models for accurate modeling the aerodynamic surface design of unmanned aerodromeless transport aircraft. The numerical results are compared with the experimental data obtained as a result of the study of the airfoil section on an air test bench.

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ACKNOWLEDGEMENTS

This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation during the implementation of the project “Fundamentals of mechanics, control and management systems for unmanned aerial systems with shape-forming structures, deeply integrated with power plants, and unique properties that are not used today in manned aircraft”, no. FEFM-2020-0001.

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Correspondence to A. I. Mel’nikova.

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Dudnikov, S.Y., Kuznetsov, P.N., Mel’nikova, A.I. et al. Simulation of Flows at Low Reynolds Numbers as Applied to the Design of Aerodynamic Surfaces for Unmanned Aerial Vehicles. Russ. Aeronaut. 64, 620–629 (2021). https://doi.org/10.3103/S1068799821040061

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Keywords

  • turbulence models
  • laminar-turbulent transition
  • separation bubble
  • boundary layer
  • wing airfoil
  • numerical simulation