Cotransport of Suspended Colloids and Nanoparticles in Porous Media

Malgaresi, Gabriel; Zhang, H.; Chrysikopoulos, Constantinos V.

doi:10.1007/s11242-019-01239-5

Cited by 8 publications

(4 citation statements)

References 58 publications

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“…Because of the concentration gradient, salt ions will spontaneously diffuse back to the water body below from the evaporation interface, which can reduce the salt concentration at the evaporation interface to a certain extent. [53,54] Therefore, salt deposition depends on the dynamic balance between the convection of salt ions at the evaporation interface and the spontaneous diffusion of salt ions from the evaporation interface to the water body below. When convection is greater than diffusion, the concentration of salt ions at the interface is increasing to saturation concentration, and salt will be precipitated at the evaporation interface and the precipitation of salt will lead to increased light reflection, weakened light absorption, and reduced evaporation efficiency.…”

Section: Comsol Multiphysicsmentioning

confidence: 99%

Numerical Simulation Technologies in Solar‐Driven Interfacial Evaporation Processes

Wei,

Yang,

Zhao

et al. 2024

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Solar interfacial evaporation technology has the advantages of environmentally conscious and sustainable benefits. Recent research on light absorption, water transportation, and thermal management has improved the evaporation performance of solar interfacial evaporators. However, many studies on photothermal materials and structures only aim to improve performance, neglecting explanations for heat and mass transfer coupling or providing evidence for performance enhancement. Numerical simulation can simulate the diffusion paths and heat and water transfer processes to understand the thermal and mass transfer mechanism, thereby better achieving the design of efficient solar interfacial evaporators. Therefore, this review summarizes the latest exciting findings and tremendous advances in numerical simulation for solar interfacial evaporation. First, it presents a macroscopic summary of the application of simulation in temperature distribution, salt concentration distribution, and vapor flux distribution during evaporation. Second, the utilization of simulation in the microscopic is summed up, specifically focusing on the movement of water molecules and the mechanisms of light responses during evaporation. Finally, all simulation methods have the goal of validating the physical processes in solar interfacial evaporation. It is hoped that the use of numerical simulation can provide theoretical guidance and technical support for the application of solar‐driven interfacial evaporation technology.

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Section: Comsol Multiphysicsmentioning

confidence: 99%

Numerical Simulation Technologies in Solar‐Driven Interfacial Evaporation Processes

Wei,

Yang,

Zhao

et al. 2024

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“…HM pollution in soils is usually characterized by an extended lifetime, poor detectability and accumulation in soils. At present, many scholars have studied the factors affecting the adsorption of heavy metal pollutants, including the ion concentration, temperature, and adsorption-desorption mechanism, which provide an important reference for follow-up geotechnical environmental treatment [ [4] , [5] , [6] ]. In addition, many scholars have conducted in-depth research on the establishment of nonlinear adsorption-desorption models such as the typical Freundlich model and Langmuir model [ 7 ] and the analysis of the adsorption-desorption mechanism from microscopic characteristics [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

The migration process and temperature effect of aqueous solutions contaminated by heavy metal ions in unsaturated silty soils

Bai,

Hou

2024

Heliyon

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“…As particle suspensions passes through a porous media, particles are retained and accumulate in the porous media. The mechanisms of particle removal through the porous media include size exclusion, bridging, segregation, straining, diffusion, and electrostatic attraction [8]. Depending on the particle size and pore size distribution in the porous media, solid particles can be removed from the surface of the porous media or inside the media.…”

Section: Introductionmentioning

confidence: 99%

Numerical study of particle retention in water-saturated porous media and the effect of particle concentration

Sun

2023

Preprint

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The transport and retention of particles in slurry passing through porous media causes particle clogging, which is affected primarily by the ratio of the particle diameter to pore-throat size of the porous media. A previous study reported that the particle retention is affected by both the Stokes number and particle concentration. Therefore, this study investigates the effect of the diameter and concentration of particles on particle clogging in porous media. Furthermore, the effect of fluid velocity on particle clogging and permeability of the porous media is also investigated to study particle transport and retention in homogeneous porous media. Fluid-particle two-phase flow in porous media is numerically simulated using the computational fluid dynamics-discrete element method. Particle clogging can be directly precited via the interaction between the particles and surface of the porous media by tracing the exact location of each particle. The simulation reveals that an increase of the particle concentration increases the possibility of the particles being retained in the porous media. Additionally, particles are accumulated at the entrance region of the porous media when the particle concentration is high in the dense region.

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Cotransport of Suspended Colloids and Nanoparticles in Porous Media

Cited by 8 publications

References 58 publications

Numerical Simulation Technologies in Solar‐Driven Interfacial Evaporation Processes

Numerical Simulation Technologies in Solar‐Driven Interfacial Evaporation Processes

The migration process and temperature effect of aqueous solutions contaminated by heavy metal ions in unsaturated silty soils

Numerical study of particle retention in water-saturated porous media and the effect of particle concentration

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