Wall turbulence at high friction Reynolds numbers

S Hoyas, M Oberlack, F Alcántara-Ávila… - Physical Review …, 2022 - APS
A new direct numerical simulation of a Poiseuille channel flow has been conducted for a
friction Reynolds number of 10 000, using the pseudospectral code LISO. The mean …

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 …

One-point statistics for turbulent pipe flow up to

S Pirozzoli, J Romero, M Fatica, R Verzicco… - Journal of fluid …, 2021 - cambridge.org
One-point statistics for turbulent pipe flow up to Reτ ≈ 6000 Page 1 J. Fluid Mech. (2021), vol.
926, A28, doi:10.1017/jfm.2021.727 One-point statistics for turbulent pipe flow up to Reτ ≈ …

Dynamic slip wall model for large-eddy simulation

HJ Bae, A Lozano-Durán, ST Bose… - Journal of fluid …, 2019 - cambridge.org
Wall modelling in large-eddy simulation (LES) is necessary to overcome the prohibitive near-
wall resolution requirements in high-Reynolds-number turbulent flows. Most existing wall …

Structure and interpolation of the turbulent velocity profile in parallel flow

P Luchini - European Journal of Mechanics-B/Fluids, 2018 - Elsevier
The classical scaling theory of turbulent parallel flow provides a framework for the
description of the mean velocity profile through two functions of one variable, traditionally …

The hunt for the Kármán 'constant'revisited

PA Monkewitz, HM Nagib - Journal of Fluid Mechanics, 2023 - cambridge.org
The log law of the wall, joining the inner, near-wall mean velocity profile (MVP) in wall-
bounded turbulent flows to the outer region, has been a permanent fixture of turbulence …

DNS of passive scalars in turbulent pipe flow

S Pirozzoli, J Romero, M Fatica, R Verzicco… - Journal of Fluid …, 2022 - cambridge.org
DNS of passive scalars in turbulent pipe flow Page 1 J. Fluid Mech. (2022), vol. 940, A45,
doi:10.1017/jfm.2022.265 DNS of passive scalars in turbulent pipe flow Sergio Pirozzoli1,† …

Direct numerical simulations of turbulent pipe flow up to

J Yao, S Rezaeiravesh, P Schlatter… - Journal of Fluid …, 2023 - cambridge.org
Well-resolved direct numerical simulations (DNS) have been performed of the flow in a
smooth circular pipe of radius dependence at an intermediate distance from the wall–also …

Searching for the log law in open channel flow

S Pirozzoli - Journal of Fluid Mechanics, 2023 - cambridge.org
We carry out direct numerical simulations of flow in a plane open channel at friction
Reynolds number up to, in line with observations made in shear-free Couette–Poiseuille …

Drag reduction induced by superhydrophobic surfaces in turbulent pipe flow

R Costantini, JP Mollicone, F Battista - Physics of Fluids, 2018 - pubs.aip.org
The drag reduction induced by superhydrophobic surfaces is investigated in a turbulent pipe
flow. Wetted superhydrophobic surfaces are shown to trap gas bubbles in their asperities …