Transition to turbulence in pipe flow

M Avila, D Barkley, B Hof - Annual Review of Fluid Mechanics, 2023 - annualreviews.org
Since the seminal studies by Osborne Reynolds in the nineteenth century, pipe flow has
served as a primary prototype for investigating the transition to turbulence in wall-bounded …

The theory of parallel climate realizations: A new framework of ensemble methods in a changing climate: An overview

T Tél, T Bódai, G Drótos, T Haszpra, M Herein… - Journal of Statistical …, 2020 - Springer
Based on the theory of “snapshot/pullback attractors”, we show that important features of the
climate change that we are observing can be understood by imagining many replicas of …

The rise of fully turbulent flow

D Barkley, B Song, V Mukund, G Lemoult, M Avila… - Nature, 2015 - nature.com
Over a century of research into the origin of turbulence in wall-bounded shear flows has
resulted in a puzzling picture in which turbulence appears in a variety of different states …

Inflow boundary conditions determine T-mixer efficiency

T Schikarski, H Trzenschiok, W Peukert… - Reaction Chemistry & …, 2019 - pubs.rsc.org
We report on a comprehensive experimental–computational study of a simple T-shaped
mixer for Reynolds numbers up to 4000. In the experiments, we determine the mixing time …

Dynamical transitions in large systems of mean field-coupled Landau-Stuart oscillators: Extensive chaos and cluster states

WL Ku, M Girvan, E Ott - Chaos: An Interdisciplinary Journal of …, 2015 - pubs.aip.org
In this paper, we study dynamical systems in which a large number N of identical Landau-
Stuart oscillators are globally coupled via a mean-field. Previously, it has been observed that …

Relaminarization by steady modification of the streamwise velocity profile in a pipe

J Kühnen, D Scarselli, M Schaner, B Hof - Flow, turbulence and …, 2018 - Springer
We show that a rather simple, steady modification of the streamwise velocity profile in a pipe
can lead to a complete collapse of turbulence and the flow fully relaminarizes. Two different …

On the transition to turbulence of wall-bounded flows in general, and plane Couette flow in particular

P Manneville - European Journal of Mechanics-B/Fluids, 2015 - Elsevier
The main part of this contribution to the special issue of EJM-B/Fluids dedicated to Patrick
Huerre outlines the problem of the subcritical transition to turbulence in wall-bounded flows …

Transitional structures in annular Poiseuille flow depending on radius ratio

T Ishida, Y Duguet, T Tsukahara - Journal of Fluid Mechanics, 2016 - cambridge.org
The transitional regime of incompressible pressure-driven flows inside an annular pipe is
investigated using accurate direct numerical simulation in long computational domains. At …

Speed and structure of turbulent fronts in pipe flow

B Song, D Barkley, B Hof, M Avila - Journal of Fluid Mechanics, 2017 - cambridge.org
Speed and structure of turbulent fronts in pipe flow Page 1 J. Fluid Mech. (2017), vol. 813, pp.
1045–1059. c Cambridge University Press 2017 doi:10.1017/jfm.2017.14 1045 Speed and …

[HTML][HTML] Characteristics of turbulence in the downstream region of a vegetation patch

M Kazem, H Afzalimehr, J Sui - Water, 2021 - mdpi.com
Water | Free Full-Text | Characteristics of Turbulence in the Downstream Region of a
Vegetation Patch Next Article in Journal The Use of Phytoplankton in the Assessment of Water …