Acoustic and flow characteristics of an airfoil fitted with morphed trailing edges
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2020.110287
Abstract: Abstract An experimental study of a simple NACA 0012 airfoil fitted with two different flap profiles was carried out to characterize their aerodynamic and aeroacoustic performance. The airfoil with a flap deflection angle of β… read more here.
Keywords: morphed flap; flap airfoil; airfoil fitted; angles attack ... See more keywords
Vortex-Induced Vibration of symmetric airfoils used in Vertical-Axis Wind Turbines
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2019.01.018
Abstract: Abstract We present an experimental study on a flexibly-mounted NACA 0021 airfoil, allowed to oscillate in the crossflow direction to investigate its Vortex-Induced Vibration (VIV) response at varying angles of attack, α , in the… read more here.
Keywords: induced vibration; airfoils used; vortex induced; vertical axis ... See more keywords
Numerical and experimental studies on the aerodynamics of a 5:1 rectangular cylinder at angles of attack
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2020.104097
Abstract: Abstract The aerodynamic behavior of a 5:1 rectangular cylinder at angles of attack (AoA) up to 15° is investigated based on Three-dimensional Large-Eddy Simulations (3D LES) and instantaneous pressure measurements. The numerical results indicate that… read more here.
Keywords: rectangular cylinder; separation bubble; angles attack; cylinder angles ... See more keywords
Non-uniform wind characteristics in mountainous areas and effects on flutter performance of a long-span suspension bridge
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2020.104177
Abstract: Abstract In mountainous areas, the approaching flow to a bridge shows the non-uniform characteristics that the wind parameters change along the span direction, causing potential effects on the flutter performance. This paper takes a long-span… read more here.
Keywords: bridge; angles attack; flutter performance; wind characteristics ... See more keywords
Performance of a slotted hydrofoil operating close to a free surface over a range of angles of attack
Sign Up to like & getrecommendations! Published in 2019 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2019.106296
Abstract: Abstract In this paper, results of a study of a submerged hydrofoil with a custom-designed internal slot are provided. The performance characteristics of the slotted hydrofoil in the presence of the free surface are investigated… read more here.
Keywords: slotted hydrofoil; free surface; angles attack; hydrofoil ... See more keywords
LES-based numerical prediction of the trailing edge noise in a small wind turbine airfoil at different angles of attack
Sign Up to like & getrecommendations! Published in 2018 at "Renewable Energy"
DOI: 10.1016/j.renene.2017.12.082
Abstract: Abstract In this paper, the aerodynamic field around a FX 63–137 airfoil for four angles of attack and low Reynolds numbers was simulated with a Large Eddy Simulation (LES). Following, an acoustic analogy method was… read more here.
Keywords: trailing edge; edge noise; angles attack; prediction ... See more keywords
Fluid-structure interaction of a rolling restrained body of revolution at high angles of attack
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Fluids"
DOI: 10.1063/1.4978416
Abstract: The current work investigates numerically rolling instabilities of a free-to-roll slender rigid-body of revolution placed in a wind tunnel at a high angle of attack. The resistance to the roll moment is represented by a… read more here.
Keywords: body revolution; structure interaction; angles attack; fluid structure ... See more keywords
Reinforcement learning-based plasma flow control of asymmetric vortices over a slender body at high angles of attack
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0255732
Abstract: Slender-body aircraft operating at high angles of attack often experience nonlinear, asymmetric multi-vortex flow structures that generate random, unsteady lateral forces, undermining stability, and maneuverability. Dielectric barrier discharge plasma actuators can eliminate these lateral forces.… read more here.
Keywords: control; flow control; slender body; high angles ... See more keywords
Effect of leading edge tubercles on the aerodynamic performance of a symmetrical airfoil at subsonic flows
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0266689
Abstract: Reducing the wing platform area of stabilizers through innovative design offers decreased structural weight, increased aerodynamic performance, fuel efficiency, and stealth characteristics. Further, examining the characteristics of unmanned aerial vehicles at higher angles of attack… read more here.
Keywords: edge tubercles; performance; leading edge; angles attack ... See more keywords
Effects of CFJ flow control on aerodynamic performance of symmetric NACA airfoils
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Turbulence"
DOI: 10.1080/14685248.2020.1845911
Abstract: This paper investigates the effects of co-flow jet on the aerodynamic performance of some symmetric blade sections of wind turbines. The Reynolds number of 1.3 × 105, angles of attack between 0° and 18° and momentum coefficients… read more here.
Keywords: flow jet; effects cfj; aerodynamic performance; angles attack ... See more keywords
Piezoelectric energy harvesting from flow-induced vibrations of a square cylinder at various angles of attack
Sign Up to like & getrecommendations! Published in 2021 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ac075a
Abstract: This study evaluates the performance of a piezoelectric energy harvester with a square cylinder bluff body at various angles of attack. The energy harvesting characteristics of the system under different angles of attack are obtained… read more here.
Keywords: piezoelectric energy; square cylinder; energy; angles attack ... See more keywords