An overview of the Lagrangian dispersion modeling of heavy particles in homogeneous isotropic turbulence and considerations on related LES simulations

DGF Huilier - Fluids, 2021 - mdpi.com
Particle tracking is a competitive technique widely used in two-phase flows and best suited
to simulate the dispersion of heavy particles in the atmosphere. Most Lagrangian models in …

Exponential scaling in early-stage agglomeration of adhesive particles in turbulence

S Chen, S Li, JS Marshall - Physical Review Fluids, 2019 - APS
We carry out direct numerical simulation together with an adhesive discrete element method
calculation (DNS-DEM) to investigate agglomeration of particles in homogeneous isotropic …

Multiphase flows: Rich physics, challenging theory, and big simulations

S Subramaniam - Physical Review Fluids, 2020 - APS
Understanding multiphase flows is vital to addressing some of our most pressing human
needs: clean air, clean water, and the sustainable production of food and energy. This article …

A dynamic spectrally enriched subgrid-scale model for preferential concentration in particle-laden turbulence

M Bassenne, M Esmaily, D Livescu, P Moin… - International Journal of …, 2019 - Elsevier
A new subgrid-scale (SGS) model for turbulent velocity fluctuations is proposed for large-
eddy simulations (LES) of dispersed multi-phase flows. The modeled velocity contains …

Taylor series expansion scheme applied for solving population balance equation

M Yu, J Lin - Reviews in Chemical Engineering, 2018 - degruyter.com
Population balance equations (PBE) are widely applied to describe many physicochemical
processes such as nanoparticle synthesis, chemical processes for particulates, colloid gel …

[HTML][HTML] The simultaneous analysis of droplets' impacts and heat transfer during water spray cooling using a transparent heater

V Serdyukov, N Miskiv, A Surtaev - Water, 2021 - mdpi.com
This paper demonstrates the advantages and prospects of transparent design of the heating
surface for the simultaneous study of the hydrodynamic and thermal characteristics of spray …

A statistical analysis of velocity and acceleration fluctuations of inertial particles in particle-laden turbulent Couette flow

S Ghosh, PS Goswami - Physics of Fluids, 2022 - pubs.aip.org
Dynamics of the particle phase in a particle-laden turbulent flow is strongly influenced by the
fluctuating velocity and vorticity field of the fluid phase. The present work mainly focuses on …

Inverse Gaussian distributed method of moments for agglomerate coagulation due to Brownian motion in the entire size regime

H Jiang, M Yu, J Shen, M **e - International Journal of Heat and Mass …, 2021 - Elsevier
The objective of this paper is to derive a model for studying the collision–coalescence
dynamics of agglomerates. Accordingly, we first extend the inverse Gaussian distributed …

[HTML][HTML] On analysis and stochastic modeling of the particle kinetic energy equation in particle-laden isotropic turbulent flows

K Pietrzyk, JAK Horwitz, FM Najjar, RW Minich - Physics of Fluids, 2022 - pubs.aip.org
We analyze three-dimensional particle-laden, isotropic turbulence to develop an
understanding of inertial particle dynamics from a kinetic energy perspective. Data trends …

Stochastic theory and direct numerical simulations of the relative motion of high-inertia particle pairs in isotropic turbulence

R Dhariwal, SL Rani, DL Koch - Journal of Fluid Mechanics, 2017 - cambridge.org
The relative velocities and positions of monodisperse high-inertia particle pairs in isotropic
turbulence are studied using direct numerical simulations (DNS), as well as Langevin …