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
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
Modeling of unsteady aerodynamic characteristics at high angles of attack
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410018776527
Abstract: An improved model to express the unsteady aerodynamic characteristics at high angles of attack is presented in this paper. The proposed aerodynamic model is expressed on the basis of a progressive state-space representation and Taylor’s… read more here.
Keywords: unsteady aerodynamic; aerodynamic characteristics; high angles; angles attack ... See more keywords
Effect of a Circular Ring on the Side Force of a Cone-Cylinder Body
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Aerospace Technology and Management"
DOI: 10.5028/jatm.v12.1096
Abstract: This paper aims to investigate the side force on a cone–cylinder geometry at different angles of attack (α) by adopting experiments and computations. The cone–cylinder configuration had a length to diameter ratio (L/D) of 10,… read more here.
Keywords: angles attack; side force; force; force cone ... See more keywords