Experimental indications for Markov properties of small-scale turbulence

C Renner, J Peinke, R Friedrich - Journal of Fluid Mechanics, 2001 - cambridge.org
We present a stochastic analysis of a data set consisting of 1.25× 107 samples of the local
velocity measured in the turbulent region of a round free jet. We find evidence that the …

An open source package to perform basic and advanced statistical analysis of turbulence data and other complex systems

A Fuchs, S Kharche, A Patil, J Friedrich, M Wächter… - Physics of …, 2022 - pubs.aip.org
We present an open-source package that helps the user to perform a basic statistical
analysis of a given turbulence dataset. We believe that this package is useful to the entire …

Generation of atmospheric turbulence with unprecedentedly large Reynolds number in a wind tunnel

L Neuhaus, M Hölling, WJT Bos, J Peinke - Physical review letters, 2020 - APS
Generating laboratory flows resembling atmospheric turbulence is of prime importance to
study the effect of wind fluctuations on objects such as buildings, vehicles, or wind turbines …

Turbulent planar wakes of viscoelastic fluids analysed by direct numerical simulations

MC Guimarães, FT Pinho, CB da Silva - Journal of Fluid Mechanics, 2022 - cambridge.org
Direct numerical simulations employing the finitely extensible nonlinear elastic constitutive
model closed with Peterlin's approximation (FENE-P) are used to investigate the far-field …

Multi-scale generation of turbulence with fractal grids and an active grid

S Weitemeyer, N Reinke, J Peinke… - Fluid Dynamics …, 2013 - iopscience.iop.org
Turbulence plays an important role in our everyday life, yet it is still not well understood.
Wind tunnel experiments can help to develop generalized descriptions of turbulent flows …

Anisotropy of the dissipation tensor in a turbulent boundary layer

RA Antonia, L Djenidi, PR Spalart - Physics of Fluids, 1994 - pubs.aip.org
The second and third invariants of the Reynolds stress anisotropy tensor and the Reynolds
stress dissipation rate anisotropy tensor have been evaluated from direct numerical …

On universal features of the turbulent cascade in terms of non-equilibrium thermodynamics

N Reinke, A Fuchs, D Nickelsen… - Journal of Fluid …, 2018 - cambridge.org
Features of the turbulent cascade are investigated for various datasets from three different
turbulent flows, namely free jets as well as wake flows of a regular grid and a cylinder. The …

Complete self-preservation along the axis of a circular cylinder far wake

SL Tang, RA Antonia, L Djenidi, Y Zhou - Journal of Fluid Mechanics, 2016 - cambridge.org
Self-preservation (SP) analyses are applied to the mean momentum and the scale-by-scale
energy budget equations in the far wake of a circular cylinder. The scale-by-scale SP …

Statistics of the turbulent kinetic energy dissipation rate and its surrogates in a square cylinder wake flow

N Lefeuvre, F Thiesset, L Djenidi, RA Antonia - Physics of Fluids, 2014 - pubs.aip.org
Statistics of the turbulent kinetic energy dissipation rate and its surrogates in a square cylinder
wake flow | Physics of Fluids | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella …

On the effects of surrogacy of energy dissipation in determining the intermittency exponent in fully developed turbulence

J Cleve, M Greiner, KR Sreenivasan - Europhysics Letters, 2003 - iopscience.iop.org
The two-point correlation function of the energy dissipation, obtained from a one-point time
record of an atmospheric boundary layer, reveals a rigorous power law scaling with …