Aerodynamic performance of low aspect-ratio flapping wing with active wing-chord adjustment
In daily life, excellent aerodynamic performance of birds and bats has been widely observed
during their flying and propulsion. In the present research, a low aspect-ratio wing flapping …
during their flying and propulsion. In the present research, a low aspect-ratio wing flapping …
Numerical simulation of dynamic stall flow control using a multi-dielectric barrier discharge plasma actuation strategy
Z Xu, B Wu, C Gao, N Wang - Physics of Plasmas, 2022 - pubs.aip.org
To alleviate the deterioration in wind turbine performance caused by dynamic stall, the flow
control of a pitching NACA0012 airfoil is investigated through numerical simulation of an …
control of a pitching NACA0012 airfoil is investigated through numerical simulation of an …
Enhancing tip vortices to improve the lift production through shear layers in flapping-wing flow control
Flow control of a low-aspect-ratio flat-plate heaving wing at an average angle of attack of
increases from 1000 to 5000 due to its self-limiting mechanism. A mid-chord vertical blowing …
increases from 1000 to 5000 due to its self-limiting mechanism. A mid-chord vertical blowing …
On the interplay of body-force distributions and flow speed for dielectric-barrier discharge plasma actuators
MT Hehner, G Coutinho, RBS Pereira… - Journal of Physics D …, 2023 - iopscience.iop.org
The dielectric-barrier discharge plasma actuator is a well-established device commonly
operated in boundary-layer airflows for active flow control. In the present experimental …
operated in boundary-layer airflows for active flow control. In the present experimental …
[HTML][HTML] Effect of leading-edge protuberances on swept wing aircraft performance
Stall is a complex phenomenon in aircraft that must be suppressed during flight. As a novel
passive control method, bionic leading-edge protuberances (LEPs) have attracted …
passive control method, bionic leading-edge protuberances (LEPs) have attracted …
Numerical Investigation on the Evolution Process of Different Vortex Structures and Distributed Blowing Control for Dynamic Stall Suppression of Rotor Airfoils
G Li, S Yi, B Li, X Zhang - Actuators, 2024 - mdpi.com
The influencing characteristic for the evolution mechanism of a dynamic stall vortex structure
and distributed blowing control on rotor airfoils was investigated. Based on the moving …
and distributed blowing control on rotor airfoils was investigated. Based on the moving …
Experimental control of Tollmien-Schlichting waves using the Wiener-Hopf formalism
Reactive flow control has been shown to be a promising tool to improve, among other
aspects, the aerodynamic characteristics of an aircraft. This paper focuses on the use of …
aspects, the aerodynamic characteristics of an aircraft. This paper focuses on the use of …
[PDF][PDF] Leading Edge Vortex Induced Effects on Electrical Characteristics of a DBD Plasma Actuator
J Erhard, J Kissing, J Kriegseis - 2022 - scholar.archive.org
On airfoils experiencing unsteady inflow conditions, leading edge vortices (LEV) can be
observed. During its growth phase, the LEV has a positive influence on the lift of the airfoil …
observed. During its growth phase, the LEV has a positive influence on the lift of the airfoil …
[PDF][PDF] Enhancing tip vortices to improve the lift production
Flow control of a low-aspect-ratio flat-plate heaving wing at an average angle of attack of 7
10 by a steady-blowing jet is numerically studied by using a feedback immersed boundary …
10 by a steady-blowing jet is numerically studied by using a feedback immersed boundary …
[PDF][PDF] Investigation and Control of Unsteady Flow Conditions on Airfoils
JME Kissing - tuprints.ulb.tu-darmstadt.de
In this thesis, efficiency enhancement approaches for two unsteady aerodynamic scenarios
are considered to provide the basis for future improvements. The first scenario addresses …
are considered to provide the basis for future improvements. The first scenario addresses …