Design optimization of the aerodynamic passive flow control on NACA 4415 airfoil using vortex generators

OM Fouatih, M Medale, O Imine, B Imine - European Journal of Mechanics …, 2016 - Elsevier
The present paper provides an experimental optimization of a NACA 4415 airfoil equipped
with vortex generators (VGs) to control its flow separation. To build this optimal configuration …

Quantitative analysis of drag reduction methods for blunt shaped automobiles

F Szodrai - Applied Sciences, 2020 - mdpi.com
In fluid mechanics, drag related problems aim to reduce fuel consumption. This paper is
intended to provide guidance for drag reduction applications on cars. The review covers …

Pressure improvement on a supercritical high-lift wing using simple and modulated pulse jet vortex generator

S Abdolahipour, M Mani… - Flow, Turbulence and …, 2022 - Springer
In this paper, an experimental study, aimed at delaying flow separation on a high-lift device
using a pulsed blowing excitation method, is reported. The main objective of this …

Experimental investigation of flow control on a high-lift wing using modulated pulse jet vortex generator

S Abdolahipour, M Mani… - Journal of Aerospace …, 2022 - ascelibrary.org
In this paper, the potential of a novel active flow control strategy by means of a modulated
pulse jet vortex generator to enhance high-lift performance is demonstrated on a two …

Dielectric-barrier-discharge vortex generators: characterisation and optimisation for flow separation control

TN Jukes, KS Choi - Experiments in fluids, 2012 - Springer
We investigated the use of dielectric-barrier-discharge plasma actuators as vortex
generators for flow separation control applications. Plasma actuators were placed at a yaw …

Experimental and numerical analysis of the effect of vortex generator height on vortex characteristics and airfoil aerodynamic performance

X Li, K Yang, X Wang - Energies, 2019 - mdpi.com
To explore the effect of the height of vortex generators (VGs) on the control effect of
boundary-layer flow, the vortex characteristics of a plate and the aerodynamic characteristics …

Control of a decelerating boundary layer. Part 3: Optimization of round jets vortex generators

G Godard, M Stanislas - Aerospace science and technology, 2006 - Elsevier
In the previous two parts of this study [G. Godard, M. Stanislas, Control of a decelerating
boundary layer. Part 1: Optimization of passive vortex generators, Aerospace Sci. Technol …

A direct numerical simulation investigation of the synthetic jet frequency effects on separation control of low-Re flow past an airfoil

W Zhang, R Samtaney - Physics of Fluids, 2015 - pubs.aip.org
We present results of direct numerical simulations of a synthetic jet (SJ) based separation
control of flow past a NACA-0018 (National Advisory Committee for Aeronautics) airfoil, at 10 …

Analysis of the effect of vortex generator spacing on boundary layer flow separation control

X Li, W Liu, T Zhang, P Wang, X Wang - Applied Sciences, 2019 - mdpi.com
During the operation of wind turbines, flow separation appears at the blade roots, which
reduces the aerodynamic efficiency of the wind turbine. In order to effectively apply vortex …

Optimization of SD7003 airfoil performance using TBL and CBL at low Reynolds numbers

D Kamari, M Tadjfar, A Madadi - Aerospace Science and Technology, 2018 - Elsevier
Both blowing and suction crossing the boundary layer have been widely implemented on
the airfoils top surface to control the flow field. These techniques have significant effects on …