A fast adhesive discrete element method for random packings of fine particles

S Chen, W Liu, S Li - Chemical Engineering Science, 2019 - Elsevier
Introducing a reduced particle stiffness in discrete element method (DEM) allows for bigger
time steps and therefore fewer total iterations in a simulation. Although this approach works …

Numerical study on compression processes of cohesive bimodal particles and their packing structure

T Yano, S Ohsaki, H Nakamura, S Watano - Advanced Powder Technology, 2021 - Elsevier
In this study, the compression characteristics of bimodal cohesive particles were
investigated using a discrete element method (DEM) simulation. The compression and …

Dynamic characteristics and real-time control of a particle-to-sCO2 moving bed heat exchanger assisted by BP neural network

W Fang, S Chen, S Shi - Energy, 2022 - Elsevier
The transient response of a particle-to-sCO 2 moving bed heat exchanger (MBHE) is
investigated by a continuum model when perturbations are applied to the particle inlet …

Particle-size control on the structure and collapsibility of sediments formed by air-fall deposition

L Xu, S Nong, Y Dong, Z Sun - Catena, 2024 - Elsevier
Aeolian deposition is significant to the landscape formation on Earth and even other
planetary bodies. Particle size controls the transport distance of particles. However, the …

Numerical simulation of mixed aerosols deposition behavior on cylindrical cross fibers

YC Qian, RR Cai, LZ Zhang - Advanced Powder Technology, 2022 - Elsevier
In the actual dust removal process, aerosol particles with distinct physical properties often
coexist. Most studies on fiber filtration focused on the particles of a single species, resulting …

Numerical investigation of sand-screen performance in the presence of adhesive effects for enhanced sand control

SN Shaffee, PF Luckham, OK Matar, A Karnik… - SPE Journal, 2019 - onepetro.org
In many industrial processes, an effective particle–filtration system is essential for removing
unwanted solids. The oil and gas industry has explored various technologies to control and …

Random loose packing of small particles with liquid cohesion

H Chen, W Liu, S Li - AIChE Journal, 2019 - Wiley Online Library
Random packing of wet grains is numerically investigated using a multiscale discrete
element method. The cohesion between wet grains is evaluated by the Weber number, with …

Study on the effect of nanoparticles on the bulk and flow properties of granular systems

YN Zheng, HF Lu, XL Guo, X Gong - Fuel Processing Technology, 2018 - Elsevier
In the process of coal combustion and gasification, the evaporation of inorganic substances
forms submicron particles, which are very cohesive and play an important role in the …

Unsteady flows and inhomogeneous packing in damp granular heap flows

H Xiao, J Hruska, JM Ottino, RM Lueptow… - Physical Review E, 2018 - APS
We experimentally study the transition from steady flow to unsteady flow in a quasi-two-
dimensional granular heap when small amounts of water are added to monodisperse glass …

[HTML][HTML] On the use of packing models for the prediction of fluvial sediment porosity

C Rettinger, M Tabesh, U Rüde… - Earth Surface …, 2023 - esurf.copernicus.org
Obtaining accurate porosity information of fluvial sediment deposits is helpful and desirable
for many tasks of river engineers. Besides direct measurements of single samples and …