Computational fluid dynamics (CFD) mesh independency techniques for a straight blade vertical axis wind turbine

KM Almohammadi, DB Ingham, L Ma, M Pourkashan - Energy, 2013 - Elsevier
This paper numerically investigates four methods, namely mesh refinement, General
Richardson Extrapolation (GRE), Grid Convergence Index (GCI), and the fitting method, in …

On the study of transitional low-Reynolds number flows over airfoils operating at high angles of attack and their prediction using transitional turbulence models

J Wauters, J Degroote - Progress in Aerospace Sciences, 2018 - Elsevier
In this survey paper transitional turbulence modeling is approached from the point of view
relevant to small unmanned aerial vehicles (span≈ 1 m), of which the flow is characterized …

[HTML][HTML] Investigation on flow structure and aerodynamic characteristics over an airfoil at low Reynolds number—A review

T Xia, H Dong, L Yang, S Liu, Z Jin - AIP Advances, 2021 - pubs.aip.org
This Review summarizes the progress in research on the flow structure and aerodynamic
characteristics of an airfoil at a low Reynolds number encountered by near-space low-speed …

The ultra-low Reynolds number airfoil wake

MM Alam, Y Zhou, HX Yang, H Guo, J Mi - Experiments in fluids, 2010 - Springer
Lift force and the near wake of an NACA 0012 airfoil were measured over the angle (α) of
attack of 0°–90° and the chord Reynolds number (Re c), 5.3× 10 3–5.1× 10 4, with a view to …

Modeling dynamic stall of a straight blade vertical axis wind turbine

KM Almohammadi, DB Ingham, L Ma… - Journal of Fluids and …, 2015 - Elsevier
This paper investigates the development of the dynamic stall of a full straight blade vertical
axis wind turbine (SB-VAWT) using computational fluid dynamic modeling for solving the 2D …

A LES study of the flow interference between tandem square cylinder pairs

A Sohankar - Theoretical and Computational Fluid Dynamics, 2014 - Springer
The results of an investigation on the interference effects of the tandem square cylinders
exposed to a uniform flow are presented in this paper. Time-dependent and three …

Investigation of aerodynamic performance of Clark-Y airfoil with more realistic tubercle model and internal slots

V Demirci, M Seyhan, M Sarioglu - Physics of Fluids, 2023 - pubs.aip.org
An experimental study is conducted to research the combined effect of leading-edge (LE)
tubercles and internal slots on the Clark-Y airfoil at Reynolds numbers (Re) of 5.0× 10 4 …

Fluid forces on a very low Reynolds number airfoil and their prediction

Y Zhou, MM Alam, HX Yang, H Guo… - International Journal of …, 2011 - Elsevier
This paper presents the measurements of mean and fluctuating forces on an NACA0012
airfoil over a large range of angle (α) of attack (0–90°) and low to small chord Reynolds …

Aerodynamic characteristics of variously modified leading-edge protuberanced (LEP) wind turbine blades under various turbulent intensities

S Arunvinthan, SN Pillai, S Cao - Journal of Wind Engineering and …, 2020 - Elsevier
A series of wind tunnel tests were performed to investigate the effect of turbulent inflows on
the aerodynamic characteristics of variously modified leading-edge protuberanced (LEP) …

Deep learning predictions of unsteady aerodynamic loads on an airfoil model pitched over the entire operating range

A Mohamed, D Wood - Physics of Fluids, 2023 - pubs.aip.org
For the design and certification of wind turbines, it is essential to provide fast and accurate
unsteady aerodynamic load prediction models for the whole operational range of angle of …