Lagrangian properties of particles in turbulence
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 …
and by an immediate connection with the physics of dispersion and mixing. In this article, we …
Lagrangian investigations of turbulence
PK Yeung - Annual review of fluid mechanics, 2002 - annualreviews.org
▪ Abstract A Lagrangian description of turbulence has unique physical advantages that are
especially important in studies of mixing and dispersion. We focus on fundamental aspects …
especially important in studies of mixing and dispersion. We focus on fundamental aspects …
Fluid particle accelerations in fully developed turbulence
The motion of fluid particles as they are pushed along erratic trajectories by fluctuating
pressure gradients is fundamental to transport and mixing in turbulence. It is essential in …
pressure gradients is fundamental to transport and mixing in turbulence. It is essential in …
Measurement of particle accelerations in fully developed turbulence
We use silicon strip detectors (originally developed for the CLEO III high-energy particle
physics experiment) to measure fluid particle trajectories in turbulence with temporal …
physics experiment) to measure fluid particle trajectories in turbulence with temporal …
Velocity field statistics in homogeneous steady turbulence obtained using a high-resolution direct numerical simulation
T Gotoh, D Fukayama, T Nakano - Physics of Fluids, 2002 - pubs.aip.org
Velocity field statistics in the inertial to dissipation range of three-dimensional homogeneous
steady turbulent flow are studied using a high-resolution DNS with up to N= 1024 3 grid …
steady turbulent flow are studied using a high-resolution DNS with up to N= 1024 3 grid …
Instantaneous pressure and material acceleration measurements using a four-exposure PIV system
This paper describes a non-intrusive technique for measuring the instantaneous spatial
pressure distribution over a sample area in a flow field. A four-exposure PIV system is used …
pressure distribution over a sample area in a flow field. A four-exposure PIV system is used …
Comparison of direct numerical simulation databases of turbulent channel flow at Reτ= 180
Direct numerical simulation (DNS) databases are compared to assess the accuracy and
reproducibility of standard and non-standard turbulence statistics of incompressible plane …
reproducibility of standard and non-standard turbulence statistics of incompressible plane …
The pdf approach to turbulent polydispersed two-phase flows
JP Minier, E Peirano - Physics reports, 2001 - Elsevier
The purpose of this paper is to develop a probabilistic approach to turbulent polydispersed
two-phase flows. The two-phase flows considered are composed of a continuous phase …
two-phase flows. The two-phase flows considered are composed of a continuous phase …
Experimental Lagrangian acceleration probability density function measurement
We report experimental results on the acceleration component probability distribution
function at Rλ= 690 to probabilities of less than 10− 7. This is an improvement of more than …
function at Rλ= 690 to probabilities of less than 10− 7. This is an improvement of more than …
Small-scale statistics in high-resolution direct numerical simulation of turbulence: Reynolds number dependence of one-point velocity gradient statistics
One-point statistics of velocity gradients and Eulerian and Lagrangian accelerations are
studied by analysing the data from high-resolution direct numerical simulations (DNS) of …
studied by analysing the data from high-resolution direct numerical simulations (DNS) of …