Recent advances in applying deep reinforcement learning for flow control: Perspectives and future directions
Deep reinforcement learning (DRL) has been applied to a variety of problems during the
past decade and has provided effective control strategies in high-dimensional and non …
past decade and has provided effective control strategies in high-dimensional and non …
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 …
Deep reinforcement learning for flow control exploits different physics for increasing Reynolds number regimes
The increase in emissions associated with aviation requires deeper research into novel
sensing and flow-control strategies to obtain improved aerodynamic performances. In this …
sensing and flow-control strategies to obtain improved aerodynamic performances. In this …
Multi-scale reconstruction of turbulent rotating flows with proper orthogonal decomposition and generative adversarial networks
Data reconstruction of rotating turbulent snapshots is investigated utilizing data-driven tools.
This problem is crucial for numerous geophysical applications and fundamental aspects …
This problem is crucial for numerous geophysical applications and fundamental aspects …
Drag reduction on a transonic airfoil
M Quadrio, A Chiarini, J Banchetti, D Gatti… - Journal of Fluid …, 2022 - cambridge.org
Flow control for turbulent skin-friction drag reduction is applied to a transonic airfoil to
improve its aerodynamic performance. The study is based on direct numerical simulations …
improve its aerodynamic performance. The study is based on direct numerical simulations …
Uniform blowing and suction applied to nonuniform adverse-pressure-gradient wing boundary layers
A detailed analysis of the effects of uniform blowing, uniform suction, and body-force
damping on the turbulent boundary layer developing around a NACA4412 airfoil at …
damping on the turbulent boundary layer developing around a NACA4412 airfoil at …
Decomposition of the mean friction drag on an NACA4412 airfoil under uniform blowing/suction
The application of drag-control strategies on canonical wall-bounded turbulence, such as
periodic channel and zero-or adverse-pressure-gradient boundary layers, raises the …
periodic channel and zero-or adverse-pressure-gradient boundary layers, raises the …
Active control of airfoil turbulent boundary layer noise with trailing-edge blowing
C Yang, EJG Arcondoulis, Y Yang, J Guo… - The Journal of the …, 2023 - pubs.aip.org
Large Eddy Simulation (LES) and Ffowcs Williams-Hawkings acoustic analogy are
performed to study the effect of trailing-edge blowing on airfoil self-noise. Simulations were …
performed to study the effect of trailing-edge blowing on airfoil self-noise. Simulations were …
Drag assessment for boundary layer control schemes with mass injection
The present study considers uniform blowing in turbulent boundary layers as active flow
control scheme for drag reduction on airfoils. The focus lies on the important question of how …
control scheme for drag reduction on airfoils. The focus lies on the important question of how …
Drag reduction by uniform blowing on the pressure surface of an airfoil
S Miura, M Ohashi, K Fukagata, N Tokugawa - AIAA journal, 2022 - arc.aiaa.org
Drag reduction effect by uniform blowing (UB) on the pressure surface of an airfoil is
investigated through wind-tunnel experiments. The experiments are conducted using a …
investigated through wind-tunnel experiments. The experiments are conducted using a …