[HTML][HTML] Flow control in wings and discovery of novel approaches via deep reinforcement learning
In this review, we summarize existing trends of flow control used to improve the aerodynamic
efficiency of wings. We first discuss active methods to control turbulence, starting with flat …
efficiency of wings. We first discuss active methods to control turbulence, starting with flat …
The interactions of a circular synthetic jet with a turbulent crossflow
The three-dimensional flow of a circular synthetic jet interacting with a turbulent crossflow is
investigated with unsteady Reynold-Averaged Navier–Stokes simulations. The effects of jet …
investigated with unsteady Reynold-Averaged Navier–Stokes simulations. The effects of jet …
Experimental investigation of synthetic jet control of wing rock for a flying wing aircraft
QM Wang, LH Feng, X Li - Physics of Fluids, 2023 - pubs.aip.org
Flying wing aircraft easily experience wing rock due to the lack of lateral-directional stability,
which causes serious challenges to flight control and safety. Thus, it is necessary to reduce …
which causes serious challenges to flight control and safety. Thus, it is necessary to reduce …
Boundary layer transition induced by low-speed synthetic jets
The effect of low-speed, circular synthetic jets (SJ) on the turbulent transition of a laminar
boundary layer is studied through direct numerical simulations. The SJ capability in fixating …
boundary layer is studied through direct numerical simulations. The SJ capability in fixating …
[HTML][HTML] Experimental and CFD characterization of a double-orifice synthetic jet actuator for flow control
A Palumbo, L de Luca - Actuators, 2021 - mdpi.com
The paper presents a joint experimental and numerical characterization of double-orifice
synthetic jet actuators for flow control. Hot-wire measurements of the flow field generated by …
synthetic jet actuators for flow control. Hot-wire measurements of the flow field generated by …
Interaction of synthetic jets with a massively separated three-dimensional flow field
N Rathay, M Amitay - Physical Review Fluids, 2022 - APS
The interaction of an array of finite span synthetic jet actuators with a massively separated
flow was explored experimentally over a cantilevered, swept, and tapered model having a …
flow was explored experimentally over a cantilevered, swept, and tapered model having a …
[PDF][PDF] Analysis of co-flow jet effects on airfoil at moderate Reynolds numbers
A Khoshnevis, S Yazdani… - Journal of Theoretical and …, 2020 - bibliotekanauki.pl
This paper investigates the performance of controlling Co-Flow Jet (CFJ) on NACA 0025
airfoil at five different Reynolds numbers of 5· 104, 7.5· 104, 105, 1.5· 105, and 3· 105. To …
airfoil at five different Reynolds numbers of 5· 104, 7.5· 104, 105, 1.5· 105, and 3· 105. To …
Noise and Jet Momentum of Synthetic Jet Actuators with Different Orifice Configurations
Sound pressure levels and flow characteristics of a synthetic jet actuator (SJA) are
investigated experimentally using the following orifice configurations: a) a slender …
investigated experimentally using the following orifice configurations: a) a slender …
Experimental investigation on the impingement of synthetic jet vortex rings onto a porous wall
Y Xu, ZY Li, JJ Wang - Physics of Fluids, 2021 - pubs.aip.org
This paper presents an experimental study on the effects of the Reynolds number (Re sj=
300, 600, and 900) and porosity (ϕ= 20%–85%) on synthetic jet vortex rings impinging onto …
300, 600, and 900) and porosity (ϕ= 20%–85%) on synthetic jet vortex rings impinging onto …
Evolving reordering algorithms using an ant colony hyperheuristic approach for accelerating the convergence of the ICCG method
SLG de Oliveira, LM Silva - Engineering with Computers, 2020 - Springer
This paper proposes a novel ant colony hyperheuristic approach for reordering the rows and
columns of symmetric positive definite matrices. This ant colony hyperheuristic approach …
columns of symmetric positive definite matrices. This ant colony hyperheuristic approach …