Impact of a forward-facing step on the development of crossflow instability

AF Rius-Vidales, M Kotsonis - Journal of Fluid Mechanics, 2021 - cambridge.org
The impact of a forward-facing step (FFS) on the development of stationary crossflow
instability is investigated on a swept wing model in a low-turbulence wind tunnel at chord …

Influence of a forward-facing step surface irregularity on swept wing transition

AF Rius-Vidales, M Kotsonis - AIAA Journal, 2020 - arc.aiaa.org
An experimental study has been carried out to determine the influence of a forward facing-
step (FFS) on the laminar–turbulent transition of a swept wing boundary layer. Wind tunnel …

Unsteady interaction of crossflow instability with a forward-facing step

AF Rius-Vidales, M Kotsonis - Journal of Fluid Mechanics, 2022 - cambridge.org
Experiments have been conducted on a swept wing model in a low-turbulence wind tunnel
at chord Reynolds number of to investigate the unsteady interaction of a forward-facing step …

Secondary crossflow instability through global analysis of measured base flows

KJ Groot, J Serpieri, F Pinna… - Journal of Fluid …, 2018 - cambridge.org
A combined experimental and numerical approach to the analysis of the secondary stability
of realistic swept-wing boundary layers is presented. Global linear stability theory is applied …

Plasma virtual roughness elements for cross-flow instability control

KS Choi, JH Kim - Experiments in fluids, 2018 - Springer
Recent experiments and numerical simulations demonstrated that discrete roughness
elements can be used to control cross-flow instability over a swept wing. Here, the …

Swept Transition Experimental Platform (STEP)

AF Rius-Vidales, M Barahona, M Kotsonis - AIAA Scitech 2024 Forum, 2024 - arc.aiaa.org
A new experimental facility named Swept Transition Experimental Platform (STEP) has been
designed and built for detailed studies of crossflow instability and its interaction with surface …

Effects of an annular plasma actuator on a co-flow jet downstream of a bluff-body

JL Chen, YH Liao - Applied Thermal Engineering, 2021 - Elsevier
The present study is to experimentally investigate flow interactions downstream of a bluff-
body incorporated with an annular plasma actuator, potentially for flame stabilization …

Unsteady disturbances in a swept wing boundary layer due to plasma forcing

K Peng, F Avallone, M Kotsonis - Physics of Fluids, 2022 - pubs.aip.org
This work investigates the response of a transitional boundary layer to spanwise-invariant
dielectric barrier discharge plasma actuator (PA) forcing on a 45 swept wing at a chord …

Control of crossflow instability over a swept wing using dielectric-barrier-discharge plasma actuators

Z Wang, L Wang, Q Wang, S Xu, S Fu - … Journal of Heat and Fluid Flow, 2018 - Elsevier
This paper investigates the potential use of dielectric-barrier-discharge (DBD) plasma
actuators to control the crossflow instability of the boundary layer on a 45° swept NLF-0415 …

Effect of environmental disturbances on crossflow instability

M Placidi, R Ashworth, CJ Atkin, S Rolston - Experiments in Fluids, 2023 - Springer
Wind tunnel experiments on the receptivity of three-dimensional boundary layers were
performed in a range of freestream turbulence intensities, Tu, from 0.01%—the lowest level …