Multi-scale modeling of plastic waste gasification: opportunities and challenges

S Madanikashani, LA Vandewalle, S De Meester… - Materials, 2022 - mdpi.com
Among the different thermo-chemical recycling routes for plastic waste valorization,
gasification is one of the most promising, converting plastic waste into syngas (H2+ CO) and …

A novel numerical method for grouting simulation in flowing water considering uneven spatial and temporal distribution of slurry: Two-Fluid Tracking (TFT) method

ZH Xu, ZH Bu, DD Pan, DY Li, YC Zhang - Computers and Geotechnics, 2022 - Elsevier
To address the issue of uneven spatial and temporal distribution of slurry viscosity in the
grouting process, we propose a novel numerical method for grouting in flowing water based …

Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles

Y Zhang, WL Ren, P Li, XH Zhang, XB Lu - Physics of Fluids, 2023 - pubs.aip.org
Computational fluid dynamics-discrete element method is frequently used for modeling
particulate flows due to its high efficiency and satisfactory accuracy. The particle volume …

Numerical treatments for large eddy simulations of liquid–liquid dispersions via population balance equation

J Mao, ZT Wang, YC Yang, D Li - Physics of Fluids, 2023 - pubs.aip.org
In this work, we employ the two-fluid model under the large eddy simulations (LES)
framework to investigate liquid–liquid dispersions in stirred tanks. The population balance …

QEEFoam: A Quasi-Eulerian-Eulerian model for polydisperse turbulent gas-liquid flows. Implementation in OpenFOAM, verification and validation

D Li, Y Wei, D Marchisio - International Journal of Multiphase Flow, 2021 - Elsevier
In this paper we present a new multiphase computational model for polydisperse turbulent
gas-liquid flows. In this model the gas phase is transported by a single convection equation …

An efficient method for spatiotemporally resolved aerosol flow modeling: Discrete migration and GPU acceleration

C Shang, Z Su, S He, Z Xu, FE Kruis, H Zhao - AIChE Journal, 2023 - Wiley Online Library
Describing spatiotemporal evolution and characteristics of dispersed systems using the
population balance equation (PBE), examples including sectional and moment methods are …

Tidal Effect on Grouting and Blocking of Flowing Water in Karst Fractures: Numerical Implementation and Its Application

Z Bu, Y Zhang, D Pan, Q Jin, Z Li… - International Journal of …, 2023 - ascelibrary.org
The issue of water blocking by grouting in coastal areas has engendered the need for a
novel numerical simulation method for grouting with a flowing water under tidal action, two …

Volume-of-fluid-based implementation for the spatiotemporal variation of viscosity in grouting process: transport time tracking approach

YC Zhang, DD Pan, DY Li, ZH Xu - Acta Geotechnica, 2024 - Springer
Due to the spatiotemporal variation of viscosity, the simulation of grouting processes is quite
challenging. In this work, based on the volume-of-fluid method, the transport time tracking …

Multivariate Monte Carlo simulation of spatiotemporally resolved nucleation from bismuth vapor

C Shang, S He, Z Xu, FE Kruis, H Zhao - Chemical Engineering Science, 2024 - Elsevier
Because numerical challenges are encountered when dealing with multiple variates for the
population balance equation (PBE), the Monte Carlo (MC) simulation becomes promising to …

Implementation of CHyQMOM in OpenFOAM for the simulation of non-equilibrium gas-particle flows under one-way and two-way coupling

D Li, D Marchisio - Powder Technology, 2022 - Elsevier
The modeling of dilute gas-particle flows is challenging due to particle-trajectory crossing
(PTC). Lagrangian particle tracking can be used, but requires a large number of parcels …