On Lagrangian stochastic methods for turbulent polydisperse two-phase reactive flows

JP Minier - Progress in Energy and Combustion Science, 2015 - Elsevier
The purpose of the present paper is to provide a comprehensive account of Lagrangian
stochastic methods for polydisperse two-phase reactive flows. In this work, the emphasis is …

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 …

On random walk models for simulation of particle-laden turbulent flows

AA Mofakham, G Ahmadi - International Journal of Multiphase Flow, 2020 - Elsevier
In this investigation, the accuracy of the discrete and continuous random walk (DRW, CRW)
stochastic models for simulation of fluid (material) point particle, as well as inertial and …

[HTML][HTML] Guidelines for the formulation of Lagrangian stochastic models for particle simulations of single-phase and dispersed two-phase turbulent flows

JP Minier, S Chibbaro, SB Pope - Physics of Fluids, 2014 - pubs.aip.org
In this paper, we establish a set of criteria which are applied to discuss various formulations
under which Lagrangian stochastic models can be found. These models are used for the …

Particles dispersion and deposition in inhomogeneous turbulent flows using continuous random walk models

AA Mofakham, G Ahmadi - Physics of fluids, 2019 - pubs.aip.org
The suitability of the normalized Langevin stochastic equation with appropriate drift
correction for simulation of instantaneous fluctuation velocities in inhomogeneous turbulent …

Numerical simulation of turbulent structure and particle deposition in a three-dimensional heat transfer pipe with corrugation

H Lu, Y Wang, H Li, W Zhao - Energies, 2024 - mdpi.com
When colloidal particles are deposited in a heat transfer channel, they increase the flow
resistance in the channel, resulting in a substantial decrease in heat transfer efficiency. It is …

Stochastic subgrid-scale modeling for particles dispersion and deposition for a filtered DNS channel flow field

F Rousta, B Lessani, G Ahmadi - International Journal of Multiphase Flow, 2024 - Elsevier
The effect of subgrid-scale velocity fluctuations on the deposition and dispersion of solid
particles in a filtered DNS turbulent channel flow at R e τ= 180, and for particles with Stokes …

Numerical study of advanced dispersion models in particle-laden swirling flows

S Kazemi, M Adib, E Amani - International Journal of Multiphase Flow, 2018 - Elsevier
In this study, the dispersion phenomenon in a poly-dispersed gas-solid confined swirling jet
is investigated numerically using an Eulerian–Lagrangian framework. Three continuous …

Distribution characteristics of exhaust gases and soot particles in a wall-flow ceramics filter

G Wu, AV Kuznetsov, WJ Jasper - Journal of Aerosol Science, 2011 - Elsevier
An inhomogeneous soot distribution in a diesel particulate filter may deteriorate its behavior
and result in higher pressure drops and fuel consumption. This will cause mechanical …

Prediction of extrathoracic aerosol deposition using RANS-Random Walk and LES approaches

A Dehbi - Aerosol Science and Technology, 2011 - Taylor & Francis
Computational Fluid Dynamics (CFD) has emerged as a powerful and economical
alternative to empiricism in the prediction of aerosol deposition inside the extrathoracic …