Two-way coupled particle-turbulence interaction: effect of numerics and resolution on fluid and particle statistics

JAK Horwitz, A Mani - Physical Review Fluids, 2020 - APS
… regularizing the point-particle source term has … of turbulence has received little attention.
In this work, we consider decaying homogeneous isotropic turbulence laden with particles at …

Numerical simulation of particle interactions with wall turbulence

Y Pan, S Banerjee - Physics of Fluids, 1996 - pubs.aip.org
… of a numerical investigation of the effects of near-neutral density solid particles on turbulent
… In the present paper, we will investigate the effects of ‘‘small’’ particles on turbulence in an …

Direct numerical simulation of turbulence modulation by particles in isotropic turbulence

M Boivin, O Simonin, KD Squires - Journal of Fluid Mechanics, 1998 - cambridge.org
… While the work of Squires & Eaton (1990) and Elghobashi & Truesdell (1993) has advanced
our understanding, the effect of turbulence modulation by particles is not fully resolved. For …

A numerical study of the modulation of isotropic turbulence by suspended particles

S Sundaram, LR Collins - Journal of Fluid Mechanics, 1999 - cambridge.org
… We therefore conclude that at the concentrations considered in this study, each particle acts
independently, and thus their collective effect scales linearly with their total number, Np. We …

An algorithm for tracking fluid particles in numerical simulations of homogeneous turbulence

PK Yeung, SB Pope - Journal of computational physics, 1988 - Elsevier
numerical simulation (DNS) of turbulence, an approach pioneered by Orszag and Patterson’s
work [9] on isotropic turbulence… the effect of interpolation errors on the particle statistics, we …

The effect of Reynolds number on inertial particle dynamics in isotropic turbulence. Part 2. Simulations with gravitational effects

PJ Ireland, AD Bragg, LR Collins - Journal of Fluid Mechanics, 2016 - cambridge.org
… in which we consider the Reynoldsnumber dependence of inertial particle statistics using
direct numerical simulations (DNS) of homogeneous, isotropic turbulence (HIT). In Part 1 of this …

Effect of turbulence on the drag and lift of a particle

P Bagchi, S Balachandar - Physics of fluids, 2003 - pubs.aip.org
… The purpose of this paper is to address the effect of freestream turbulence on the drag
force on a particle. We consider direct numerical simulation of a particle subjected to a frozen …

Numerical simulation of particle-laden turbulent channel flow

Y Li, JB McLaughlin, K Kontomaris, L Portela - Physics of Fluids, 2001 - pubs.aip.org
… on the effects of the particles on the gas-phase turbulence. Sommerfeld13 … particle
trajectories which incorporated particleparticle collisions. His results indicated that particleparticle

Measurements of particle dispersion obtained from direct numerical simulations of isotropic turbulence

KD Squires, JK Eaton - Journal of Fluid Mechanics, 1991 - cambridge.org
… The effect of turbulence decay is investigated to determine its effect on heavy particle … The
simulations of forced isotropic turbulence are useful for investigating particle dispersion since …

Finite-size effects in the dynamics of neutrally buoyant particles in turbulent flow

H Homann, J Bec - Journal of Fluid Mechanics, 2010 - cambridge.org
… -particle approximation. We show that in the case of neutrally buoyant particles, first-order
finite-size effects are not due to particle … Of course, issues on numerical resolution compelled …