Instantaneous wall-shear-stress measurements: advances and application to near-wall extreme events

R Örlü, R Vinuesa - Measurement Science and Technology, 2020 - iopscience.iop.org
In this article we provide an overview of widely used methods to measure the mean and
fluctuating components of the wall-shear stress in wall-bounded turbulent flows. We first note …

Turbulent boundary layers around wing sections up to Rec= 1,000,000

R Vinuesa, PS Negi, M Atzori, A Hanifi… - International Journal of …, 2018 - Elsevier
Reynolds-number effects in the adverse-pressure-gradient (APG) turbulent boundary layer
(TBL) develo** on the suction side of a NACA4412 wing section are assessed in the …

[HTML][HTML] High-fidelity simulations in complex geometries: Towards better flow understanding and development of turbulence models

R Vinuesa - Results in Engineering, 2021 - Elsevier
The present review shows a summary of current trends in high-fidelity simulations of
turbulent flows in moderately complex geometries. These trends are put in the historical …

Effect of adverse pressure gradients on turbulent wing boundary layers

Á Tanarro, R Vinuesa, P Schlatter - Journal of Fluid Mechanics, 2020 - cambridge.org
The characteristics of turbulent boundary layers (TBLs) subjected to adverse pressure
gradients are analysed through well-resolved large-eddy simulations. The geometries under …

On the effect of adverse pressure gradients on wall-pressure statistics in a controlled-diffusion aerofoil turbulent boundary layer

A Caiazzo, S Pargal, H Wu, M Sanjosé… - Journal of Fluid …, 2023 - cambridge.org
Wall-pressure and velocity statistics in the turbulent boundary layer (TBL) on a cambered
controlled-diffusion aerofoil at. The strong APG yields a highly non-equilibrium TBL at the …

Aerodynamic effects of uniform blowing and suction on a NACA4412 airfoil

M Atzori, R Vinuesa, G Fahland, A Stroh, D Gatti… - Flow, Turbulence and …, 2020 - Springer
We carried out high-fidelity large-eddy simulations to investigate the effects of uniform
blowing and uniform suction on the aerodynamic efficiency of a NACA4412 airfoil at the …

Sensing the turbulent large-scale motions with their wall signature

A Güemes, S Discetti, A Ianiro - Physics of Fluids, 2019 - pubs.aip.org
This study assesses the capability of extended proper orthogonal decomposition (EPOD)
and convolutional neural networks (CNNs) to reconstruct large-scale and very-large-scale …

Properties of the inertial sublayer in adverse pressure-gradient turbulent boundary layers

S Romero, S Zimmerman, J Philip, C White… - Journal of Fluid …, 2022 - cambridge.org
The inertial sublayer of adverse pressure-gradient (APG) turbulent boundary layers is
investigated using new experimental measurements (. Well-resolved hot-wire …

[HTML][HTML] Adverse-pressure-gradient turbulent boundary layer on convex wall

S Pargal, H Wu, J Yuan, S Moreau - Physics of Fluids, 2022 - pubs.aip.org
Direct numerical simulations (DNSs) of an incompressible turbulent boundary layer on an
airfoil (suction side) and that on a flat plate are compared to characterize the non-equilibrium …

Separating adverse-pressure-gradient and Reynolds-number effects in turbulent boundary layers

C Sanmiguel Vila, R Vinuesa, S Discetti, A Ianiro… - Physical Review …, 2020 - APS
Zero pressure-gradient (ZPG) turbulent boundary layers (TBLs) at high Reynolds numbers
(Re) and TBLs with adverse pressure gradients (APGs) share some similarities such as the …