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 …

Experiments on discrete roughness element technology for swept-wing laminar flow control

WS Saric, DE West, MW Tufts, HL Reed - AIAA Journal, 2019 - arc.aiaa.org
Micrometer-sized spanwise-periodic discrete roughness elements (DREs) were applied to
and tested on a 30 deg swept-wing model in order to study their effects on boundary-layer …

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 …

Mechanisms of stationary cross-flow instability growth and breakdown induced by forward-facing steps

JL Eppink - Journal of Fluid Mechanics, 2020 - cambridge.org
An experimental study is performed to determine the mechanisms by which a forward-facing
step impacts the growth and breakdown to turbulence of the stationary cross-flow instability …

Computational investigation of step excrescence sensitivity in a swept-wing boundary layer

MW Tufts, HL Reed, BK Crawford, GT Duncan Jr… - Journal of Aircraft, 2017 - arc.aiaa.org
The interaction between an existing stationary crossflow instability and a two-dimensional
step excrescence placed into a swept boundary layer on a lifting surface has been …

Receptivity: the inspiration of Mark Morkovin

HL Reed, WS Saric - 45th AIAA Fluid Dynamics Conference, 2015 - arc.aiaa.org
This paper provides a review of the current findings in receptivity for subsonic/transonic
flows, including a discussion of the origin of the concept via Mark Morkovin, a remarkable …

Experimental investigation of the effect of forward-facing steps on boundary layer transition

M Costantini, S Risius, C Klein - Procedia IUTAM, 2015 - Elsevier
The effect of geometric forward-facing steps on boundary layer transition was experimentally
investigated at a high subsonic Mach number in a blow-down wind tunnel facility in …

Direct numerical simulation of interaction between a stationary crossflow instability and forward-facing steps

J Casacuberta, S Hickel, S Westerbeek… - Journal of Fluid …, 2022 - cambridge.org
The interaction between forward-facing steps of several heights and a pre-existing critical
stationary crossflow instability of a swept-wing boundary layer is analysed. Direct numerical …

Robust, automated processing of IR thermography for quantitative boundary-layer transition measurements

BK Crawford, GT Duncan, DE West, WS Saric - Experiments in Fluids, 2015 - Springer
A technique for automated, quantitative, global boundary-layer transition detection using IR
thermography is developed. Transition data are rigorously mapped onto model coordinates …