Aeroacoustic investigation of a propeller operating at low Reynolds numbers

E Grande, G Romani, D Ragni, F Avallone, D Casalino - AIAA Journal, 2022 - arc.aiaa.org
This paper presents an experimental investigation of a propeller operating at low Reynolds
numbers and provides insights into the role of aerodynamic flow features on both propeller …

Resolvent-analysis-based design of airfoil separation control

CA Yeh, K Taira - Journal of Fluid Mechanics, 2019 - cambridge.org
We use resolvent analysis to design active control techniques for separated flows over a
NACA 0012 airfoil. Spanwise-periodic flows over the airfoil at a chord-based Reynolds …

Spatio-temporal dynamics of turbulent separation bubbles

W Wu, C Meneveau, R Mittal - Journal of Fluid Mechanics, 2020 - cambridge.org
The spatio-temporal dynamics of separation bubbles induced to form in a fully developed
turbulent boundary layer (with Reynolds number based on momentum thickness of the …

Large-eddy simulation of low-Reynolds-number flow over thick and thin NACA airfoils

R Kojima, T Nonomura, A Oyama, K Fujii - Journal of Aircraft, 2013 - arc.aiaa.org
In this study, the flowfields around NACA0012 and NACA0002 airfoils at Reynolds number
of 23,000 and the aerodynamic characteristics of these flowfields were analyzed using …

Low-reynolds-number aerodynamic performances of the NACA 0012 and Selig–Donovan 7003 Airfoils

JNN Counsil, K Goni Boulama - Journal of aircraft, 2013 - arc.aiaa.org
A comparative study of two airfoils at low Reynolds numbers using the transitional unsteady
Reynolds-averaged Navier–Stokes shear-stress transport γ-R e θ model and the ANSYS …

Comparative assessment of transitional turbulence models for airfoil aerodynamics in the low Reynolds number range

Y Liu, P Li, K Jiang - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
A comparative assessment of the prediction capability of transitional turbulence models was
carried out in the chord Reynolds number range R ec= 2. 3× 1 0 4− 2× 1 0 5 with the NACA …

Low-Reynolds-number effect on aerodynamic characteristics of a NACA 0012 airfoil

DH Kim, JW Chang, J Chung - Journal of aircraft, 2011 - arc.aiaa.org
THE flow properties in the low-Reynolds-number range, which are applicable to small-sized
aerovehicles, wind turbines, propellers, and human-powered aerovehicles, have generally …

Wavelet analysis of the flow field around an oscillating airfoil undergoing pure pitching motion at low Reynolds number

K Ghamkhar, A Ebrahimi, K Shariloo - Physics of Fluids, 2023 - pubs.aip.org
This paper investigates the flow field around a NACA (National Advisory Committee for
Aeronautics) 0012 airfoil undergoing pure pitching motion using continuous wavelet …

On the influence of biomimetic shark skin in dynamic flow separation

P Guo, K Zhang, Y Yasuda, W Yang… - Bioinspiration & …, 2021 - iopscience.iop.org
The effect of shark skin on the boundary-layer separation process under dynamic conditions
(maneuvers) has been studied experimentally. We use a foil covered with biomimetic shark …

Flow structure of a low aspect ratio wall-mounted airfoil operating in a low Reynolds number flow

M Awasthi, DJ Moreau, CJ Doolan - Experimental Thermal and Fluid …, 2018 - Elsevier
Measurements on a wall-mounted NACA 0012 airfoil with an aspect ratio (AR) of 0.5
operating in the low Reynolds number (274,000, based on chord) regime were performed …