General formulation of drag force on assemblage of spherical particles in fluids: A critical review and a new empirical formula
Y Liu, X Yu - Physics of Fluids, 2022 - pubs.aip.org
Establishment of a simple but accurate formula for the drag force acting on an assemblage
of particles moving relative to its carrier fluid is critical to modeling the flow of a particle–fluid …
of particles moving relative to its carrier fluid is critical to modeling the flow of a particle–fluid …
The accurate prediction and analysis of bed expansion characteristics in liquid–solid fluidized bed based on machine learning methods
J Peng, W Sun, G Zhou, L **e, H Han, Y **ao - Chemical Engineering …, 2022 - Elsevier
Liquid–solid fluidizations are mainly affected by particle density, particle size, particle shape,
superficial velocity, liquid viscosity, etc. Owing to these complex high-dimensional impact …
superficial velocity, liquid viscosity, etc. Owing to these complex high-dimensional impact …
[HTML][HTML] New hydraulic insights into rapid sand filter bed backwashing using the Carman–Kozeny model
Fluid flow through a bed of solid particles is an important process that occurs in full-scale
water treatment operations. The Carman–Kozeny model remains highly popular for …
water treatment operations. The Carman–Kozeny model remains highly popular for …
[HTML][HTML] Effects of porous media type and nozzle design on the backwashing regime of pressurised porous media filters
Pressurised sand filters used in drip irrigation need periodic backwashing to flush the
contaminant particles out of the porous media. This process consumes high amounts of …
contaminant particles out of the porous media. This process consumes high amounts of …
[HTML][HTML] Bed expansion at backwashing in pressurised porous media filters for drip irrigation: Numerical simulations and analytical equations
Highlights•The backwashing mode of a pressurised granular media filter was
investigated.•The CFD model reproduced the fluidised bed behavior for superficial …
investigated.•The CFD model reproduced the fluidised bed behavior for superficial …
Drag correlations for flow past monodisperse arrays of spheres and porous spheres based on symbolic regression: Effects of permeability
An accurate drag correlation accounting for multiscale heterogeneous porous structures is a
prerequisite for reliable CFD simulation of fluidized beds. Though particle clusters in …
prerequisite for reliable CFD simulation of fluidized beds. Though particle clusters in …
Particle dynamics in vertical vibration-driven immersed granular systems: A study with resolved computational fluid dynamics-discrete element method
C Wang, L Wei, Y An - Physics of Fluids, 2023 - pubs.aip.org
Vibration-driven immersed granular systems (VIGSs) are ubiquitous in nature and industry.
However, particle dynamics in 3D VIGSs is hard to obtain directly from experiments. The …
However, particle dynamics in 3D VIGSs is hard to obtain directly from experiments. The …
Symbolic Regression-Dimensionless Learning Data-Driven Coupled Modeling of the Interpretable Bed Expansion Ratio in a Liquid–Solid Fluidized Bed
J He, X Du, L **e, ZH Luo - Industrial & Engineering Chemistry …, 2024 - ACS Publications
In the chemical industry, liquid–solid fluidized beds are commonly encountered because of
their diverse real-world applications, including but not limited to heterogeneous catalysis …
their diverse real-world applications, including but not limited to heterogeneous catalysis …
[HTML][HTML] Accurate voidage prediction in fluidisation systems for full-scale drinking water pellet softening reactors using data driven models
In full-scale drinking water production plants in the Netherlands, central softening is widely
used for reasons related to public health, client comfort, and economic and environmental …
used for reasons related to public health, client comfort, and economic and environmental …
A universal drag model for liquid-solid fluidization: Experiment, data-driven modeling, CFD modeling and simulation
G Zhou, L **e - Powder Technology, 2024 - Elsevier
Various industrial applications are performed in liquid-solid fluidized beds where drag force
plays a significant role in affecting the expansion characteristics of granular-bed, and then …
plays a significant role in affecting the expansion characteristics of granular-bed, and then …