Review of numerical and experimental studies on flow characteristics around a straight-bladed vertical axis wind turbine and its performance enhancement strategies

X Sun, D Zhou - Archives of Computational Methods in Engineering, 2022 - Springer
Based on the orientation of the rotor, horizontal axis wind turbines (HAWTs) and vertical axis
wind turbines (VAWTs) are two broad families of wind turbines in the world. The HAWT is …

[HTML][HTML] Computational fluid dynamics and experimental analysis of a wind turbine blade's frontal section with and without arrays of dimpled structures

S Aziz, A Khan, I Shah, TA Khan, Y Ali, MU Sohail… - Energies, 2022 - mdpi.com
Horizontal axis wind turbines are used for energy generation at domestic as well as
industrial levels. In the wind turbines, a reduction in drag force and an increase in lift force …

Numerical investigation of the enhancement of the aerodynamic performance for newly modified blended airfoils utilizing S809, S829, and NACA 2412 baseline …

SMN Uddin, MR Haque, MM Haque, MF Alam… - Arabian Journal for …, 2024 - Springer
Several important factors, including the lift-to-drag ratio, affect an airfoil's overall
performance. An airfoil's efficiency is increased by a higher lift-to-drag ratio. For years …

Manipulation of the aerodynamic behavior of the DrivAer model using dimple patterns

N Ballerstein, P Horst - Journal of Wind Engineering and Industrial …, 2023 - Elsevier
Societies rising environmental awareness in the context of advancing climate change is
continuously shifting the focus of automotive development to vehicle efficiency and thus also …

[PDF][PDF] Study of flow separation on airfoil with bump

AAK Saraf, BMP Singh… - International Journal of …, 2018 - researchgate.net
Small bump on the airfoil results geometry and geometry gives huge variations on the
aerodynamic forces generated by an object. Bump on airfoil can be treated as aerodynamic …

Study on effect of semi-circular dimple on aerodynamic characteristics of NACA 2412 airfoil

Y Sowmyashree, DIP Aishwarya, S Spurthy… - AIP Conference …, 2020 - pubs.aip.org
The present work is an attempt to enhance the aerodynamic efficiency of NACA 2412 airfoil
through surface modifications, for various angles of attack. The surface of NACA 2412 airfoil …

[HTML][HTML] Influence of spherical and pyramidical dimples and bumps on airfoil performance in subsonic flow

Z Mehtar, A Altaf - Journal of Aerospace Technology and …, 2021 - SciELO Brasil
In this study, surface features such as dimples and bumps are introduced to the surface of a
NACA 0012 airfoil to study their effect on boundary layer separation, particularly at high …

Numerical study of the boundary layer separation control on the NACA 0012 airfoil using triangular rib

MW Al-Jibory, HAA Shinan - IOP Conference Series: Materials …, 2020 - iopscience.iop.org
This study includes a numerical simulation to investigate the aerodynamic behavior of the air
flow around the surface of the NACA0012 airfoil, with and without a triangular rib. The …

[PDF][PDF] CFD Simulation of NACA 2412 airfoil with new cavity shapes

S Merryisha, P Rajendran, SA Khan - Advances in aircraft and …, 2022 - researchgate.net
The paper presents the surface-modified NACA 2412 airfoil performance with variable cavity
characteristics such as size, shape and orientation, by numerically investigated with the pre …

[PDF][PDF] Effect of spanwise semicircular groove on NACA 0012 airfoil

M Almusawi, Q Rishack, M Al-fahham - Basrah Journal for Engineering …, 2022 - iasj.net
The efficiency of an airfoil can be improved by adjusting its surface. CFD software was used
to investigate a 2D airfoil with and without a spanwise semicircular groove on the upper …