Three-dimensional separation over unswept cantilevered wings at a moderate Reynolds number

JM Neal, M Amitay - Physical Review Fluids, 2023 - APS
An experimental investigation of separated flows over unswept, cantilevered wings with a
NACA 0015 cross section is presented. For all experiments, the chord-based Reynolds …

Parametric investigation of stall cell formation on a NACA 0015 airfoil

H Dell'Orso, M Amitay - AIAA Journal, 2018 - arc.aiaa.org
An experimental parametric exploration of stall cells on a NACA 0015 airfoil with aspect ratio
aspect ratio= 4 was conducted. First, flowfield measurements were performed using …

Wake dynamics of tapered wings. Part II: an experimental study

J Neal, B Gares, M Amitay, A Burtsev… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2298. vid An experimental
investigation was performed to illuminate the effects of sweep and taper on separated flows …

Unsteady motions in the turbulent separation bubble of a two-dimensional wing

S Wang, S Ghaemi - Journal of Fluid Mechanics, 2022 - cambridge.org
The unsteadiness of a turbulent separation bubble (TSB) formed close to the trailing edge of
a two-dimensional wing was investigated using time-resolved particle image velocimetry …

Stall cell formation over a post-stall airfoil: effects of active perturbations using plasma actuators

A Esfahani, N Webb, M Samimy - Experiments in Fluids, 2018 - Springer
Stall cells have been observed over stalled airfoils by many researchers and there have
been extensive discussions in the literature on their formation mechanism. They have been …

Real-time feedback stall control of an airfoil at large Reynolds numbers using linear genetic programming

PY Passaggia, A Quansah, N Mazellier… - Physics of …, 2022 - pubs.aip.org
Machine learning control is applied in real-time to an airfoil equipped with variable-velocity
jets and pressure sensors in a closed-loop wind tunnel. The objective of the control is to …

Flow separation control over a thin post-stall airfoil: effects of excitation frequency

A Esfahani, N Webb, M Samimy - AIAA Journal, 2019 - arc.aiaa.org
The results of experiments investigating excitation of flow instability over a VR-7 airfoil at a
post-stall angle of attack of 19° are presented. The Reynolds number based on the chord …

The interaction between turbulent separation bubble breathing and wall pressure on a 2D wing

S Wang, B Gibeau, S Ghaemi - Experiments in Fluids, 2024 - Springer
This investigation characterized the relation between the breathing motion and wall-
pressure fluctuations for a turbulent separation upstream of the trailing edge of a two …

Similarities in massive separation across Reynolds numbers for swept and tapered finite span wings

J Neal, A Burtsev, JHM Ribeiro, K Taira… - arxiv preprint arxiv …, 2023 - arxiv.org
Experimental investigations were performed to elucidate the features of flow fields occurring
over cantilevered finite-aspect ratio NACA 0015 wings at high angles of attack with various …

Effects of a trailing-edge flap on stall cell characteristics of a NACA0012 wing

F De Voogt, B Ganapathisubramani - Flow, 2022 - cambridge.org
In this case study, we examine the effect of airfoil shape/camber on the formation and
existence of stall cells. A series of experiments using a NACA0012 wing with a trailing-edge …