Equilibrium and non-equilibrium turbulent boundary layers

WJ Devenport, KT Lowe - Progress in Aerospace Sciences, 2022 - Elsevier
This article presents a review of historical and recent developments in the understanding of
equilibrium and non-equilibrium turbulent boundary layers at incompressible high-Reynolds …

Pressure gradient effects on the large-scale structure of turbulent boundary layers

Z Harun, JP Monty, R Mathis, I Marusic - Journal of Fluid Mechanics, 2013 - cambridge.org
Research into high-Reynolds-number turbulent boundary layers in recent years has brought
about a renewed interest in the larger-scale structures. It is now known that these structures …

Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation

V Kitsios, A Sekimoto, C Atkinson, JA Sillero… - Journal of Fluid …, 2017 - cambridge.org
The statistical properties are presented for the direct numerical simulation of a self-similar
adverse pressure gradient (APG) turbulent boundary layer (TBL) at the verge of separation …

Effects of surface roughness on a separating turbulent boundary layer

W Wu, U Piomelli - Journal of Fluid Mechanics, 2018 - cambridge.org
Separating turbulent boundary layers over smooth and rough flat plates are studied by large-
eddy simulations. A suction–blowing velocity distribution imposed at the top boundary of the …

Large-scale motions in turbulent boundary layers subjected to adverse pressure gradients

JH Lee - Journal of Fluid Mechanics, 2017 - cambridge.org
It is known that large-scale streamwise velocity-fluctuating structures (-structures show that
the large-scale energy is continuously intensified above the log layer with an increase in the …

Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer

V Kitsios, C Atkinson, JA Sillero, G Borrell… - International Journal of …, 2016 - Elsevier
The statistical properties of a self-similar adverse pressure gradient (APG) turbulent
boundary layer (TBL) are presented. The flow is generated via the direct numerical …

A driving mechanism of near-wall turbulence subject to adverse pressure gradient in a plane Couette flow

Y Jiao, SI Chernyshenko, Y Hwang - Journal of Fluid Mechanics, 2022 - cambridge.org
The effect of adverse pressure gradient (APG) on near-wall turbulence is studied, with a
particular attention to the turbulence production mechanism. A plane turbulent Couette flow …

Coherent structures in a non-equilibrium large-velocity-defect turbulent boundary layer

Y Maciel, MP Simens, AG Gungor - Flow, Turbulence and Combustion, 2017 - Springer
The characteristics of the coherent structures in a strongly decelerated large-velocity-defect
boundary layer are analysed by direct numerical simulation. The simulated boundary layer …

Separation delay in turbulent boundary layers via model predictive control of large-scale motions

A Tsolovikos, A Jariwala, S Suryanarayanan… - Physics of …, 2023 - pubs.aip.org
Turbulent boundary layers are dominated by large-scale motions (LSMs) of streamwise
momentum surplus and deficit that contribute significantly to the statistics of the flow. In …

Structural differences between small and large momentum-defect turbulent boundary layers

Y Maciel, AG Gungor, M Simens - International Journal of Heat and Fluid …, 2017 - Elsevier
We analyse how coherent structures in turbulent boundary layers (TBL) change in response
to a strong adverse pressure gradient by using two direct numerical simulation databases …