Resolvent analysis of an airfoil laminar separation bubble at
We perform a resolvent analysis to examine the perturbation dynamics over the laminar
separation bubble (LSB) that forms near the leading edge of a NACA 0012 airfoil at a chord …
separation bubble (LSB) that forms near the leading edge of a NACA 0012 airfoil at a chord …
Wall-resolved large eddy simulations of a pitching NACA0012 incurring in deep dynamic stall
G Baldan, A Guardone - arXiv preprint arXiv:2405.12036, 2024 - arxiv.org
This study investigates the flow evolution past a pitching NACA0012 airfoil undergoing deep
dynamic stall using a wall-resolved large eddy simulation approach. Numerical results are …
dynamic stall using a wall-resolved large eddy simulation approach. Numerical results are …
Flow instability and momentum exchange in separation control by a synthetic jet
This study investigates a mechanism for controlling separated flows around an airfoil using a
synthetic jet (SJ). A large-eddy simulation (LES) was performed for a leading-edge …
synthetic jet (SJ). A large-eddy simulation (LES) was performed for a leading-edge …
Effects of compressibility on dynamic-stall onset using large-eddy simulation
Large-eddy simulations of the onset of dynamic stall for a NACA 0012 airfoil, pitching at a
constant rate, are performed for a chord Reynolds number of 1.0× 1 0 6. Using four …
constant rate, are performed for a chord Reynolds number of 1.0× 1 0 6. Using four …
Comparison of Separation Control Mechanisms for Synthetic Jet and Plasma Actuators
This study numerically investigated the mechanisms of separation control using a synthetic
jet (SJ) and plasma actuator (PA) around an NACA0015 airfoil at the chord Reynolds …
jet (SJ) and plasma actuator (PA) around an NACA0015 airfoil at the chord Reynolds …
Pitch–Plunge Equivalence in Dynamic Stall of Ramp Motion Airfoils
Large-eddy simulations (LES) are employed to investigate the pitch–plunge equivalence of
an SD7003 airfoil undergoing constant ramp motions at Reynolds number R e= 6× 10 4. The …
an SD7003 airfoil undergoing constant ramp motions at Reynolds number R e= 6× 10 4. The …
Pitch/Plunge Equivalence for Dynamic Stall of Unswept Finite Wings
MR Visbal, DJ Garmann - AIAA Journal, 2022 - arc.aiaa.org
Pitch/plunge equivalence for deep dynamic stall of a straight finite wing is considered by
employing large-eddy simulations. The flowfields are computed with a well-established time …
employing large-eddy simulations. The flowfields are computed with a well-established time …
Numerical analysis of Reynolds and Mach number effect on dynamic stall onset
The onset of dynamic stall limits the maximum airspeed of helicopters. For Reynolds
numbers where laminar separation precedes transition, the bursting of a leading edge …
numbers where laminar separation precedes transition, the bursting of a leading edge …
Large-eddy simulations of dynamic stall for a NACA0012 wing section
Large-eddy simulations of dynamic stall for a wing section with NACA0012 airfoil were
performed for three cases from the literature: A case modeled after Gupta and Ansell [AIAA …
performed for three cases from the literature: A case modeled after Gupta and Ansell [AIAA …
Pitch/Plunge Equivalence for Dynamic Stall of Swept Finite Wings
DJ Garmann, MR Visbal - AIAA Journal, 2022 - arc.aiaa.org
A high-fidelity numerical study is undertaken to expand the notion of pitch/plunge
equivalence to finite, swept wings undergoing deep-dynamic stall and builds upon the …
equivalence to finite, swept wings undergoing deep-dynamic stall and builds upon the …