Lagrangian properties of particles in turbulence

F Toschi, E Bodenschatz - Annual review of fluid mechanics, 2009 - annualreviews.org
The Lagrangian description of turbulence is characterized by a unique conceptual simplicity
and by an immediate connection with the physics of dispersion and mixing. In this article, we …

Interfacial layers between regions of different turbulence intensity

CB da Silva, JCR Hunt, I Eames… - Annual review of fluid …, 2014 - annualreviews.org
Recent developments in the physics and modeling of interfacial layers between regions with
different turbulent intensities are reviewed. The flow dynamics across these layers governs …

Momentum and scalar transport at the turbulent/non-turbulent interface of a jet

J Westerweel, C Fukushima, JM Pedersen… - Journal of Fluid …, 2009 - cambridge.org
Conditionally sampled measurements with particle image velocimetry (PIV) of a turbulent
round submerged liquid jet in a laboratory have been taken at Re= 2× 103 between 60 and …

Volumetric velocimetry for fluid flows

S Discetti, F Coletti - Measurement Science and Technology, 2018 - iopscience.iop.org
In recent years, several techniques have been introduced that are capable of extracting 3D
three-component velocity fields in fluid flows. Fast-paced developments in both hardware …

Laminar superlayer at the turbulence boundary

M Holzner, B Lüthi - Physical review letters, 2011 - APS
In this Letter we present results from particle tracking velocimetry and direct numerical
simulation that are congruent with the existence of a laminar superlayer, as proposed in the …

Properties of the turbulent/non-turbulent interface in boundary layers

G Borrell, J Jiménez - Journal of Fluid Mechanics, 2016 - cambridge.org
The turbulent/non-turbulent interface is analysed in a direct numerical simulation of a
boundary layer in the Reynolds number range, with emphasis on the behaviour of the …

The turbulence boundary of a temporal jet

M Van Reeuwijk, M Holzner - Journal of fluid mechanics, 2014 - cambridge.org
We examine the structure of the turbulence boundary of a temporal plane jet at, respectively.
We further identify a turbulent core region (TC) and a buffer region (BR) connecting the VSL …

The scaling of the turbulent/non-turbulent interface at high Reynolds numbers

TS Silva, M Zecchetto, CB da Silva - Journal of Fluid Mechanics, 2018 - cambridge.org
The scaling of the turbulent/non-turbulent interface at high Reynolds numbers Page 1 J.
Fluid Mech. (2018), vol. 843, pp. 156–179. c Cambridge University Press 2018 doi:10.1017/jfm.2018.143 …

Enstrophy transport in swirl combustion

A Kazbekov, K Kumashiro… - Journal of Fluid …, 2019 - cambridge.org
The contributions of vortex stretching, dilatation, baroclinic torque and viscous diffusion to
Reynolds-averaged enstrophy transport in turbulent swirl flames were experimentally …

Experimental study of aortic flow in the ascending aorta via particle tracking velocimetry

U Gülan, B Lüthi, M Holzner, A Liberzon, A Tsinober… - Experiments in …, 2012 - Springer
A three-dimensional, pulsatile flow in a realistic phantom of a human ascending aorta with
compliant walls is investigated in vitro. Three-Dimensional Particle Tracking Velocimetry (3D …