Large Evaporation Rates in Porous Media

Influence Factors of the Evaporation Rate of a Solar Steam ... - arXiv

Results turn out that: besides the high solar energy absorptivity of the first-layer, an optimum porosity of the second-layer porous material should be applied ...

Machine Learning Assisting Intelligent Control of Evaporation ...

Diffusivity, particularly effective diffusivity, dictates the rate at which vapor molecules diffuse through the porous medium [36]. High diffusivity enhances ...

Evaporation from a capillary tube: Experiment and modelization

The three basic regimes of drying kinetics in porous media assumes that the drying rate will decrease as the capillary forces are no longer able ...

Evaporation from Porous Media - MPI 2020

6, numerical solutions of the deposition process (3.13) for large precip- itation rate λ suggest that clogging happens quickly once the ...

Evaporation Limited Radial Capillary Penetration in Porous Media

evaporation rate is larger than the critical value ṁe s there will be a dry gap in the annular porous medium with thickness ΔRc. = Rc. I − Rc.

An Exclusion Distance Controls the Efflorescence Pattern ...

large crystallized salt structures in a porous medium, Phys. ... pore size on salt precipitation during evaporation from porous media, Transp.

Full article: Infiltration and Evaporation in Multiplying Porous Media ...

We describe the manner and rate at which water infiltrates and/or transpires into a drum of dry uranium dioxide powder. The powder is 5% enriched and so the ...

Journal of Porous Media - Begell House

Transport phonemena with focus on heat transfer in porous media are of critical importance. Due to such inherently pseudo-continuous characteristics, thermal ...

Multiphase Modelling of Water Evaporation and Condensation in an ...

... large negative peak in the evaporation rate (Fig. ... one-dimensional evaporation and condensation fronts in a porous media partially saturated with water.

Pore-network model of evaporation-induced salt precipitation in ...

Characteristic lengths affecting evaporative drying of porous media. Lehmann, Peter; Assouline, Shmuel; Or, Dani; Physical Review E, Vol. 77, Issue 5 https:// ...

Pore-scale study on the effect of heterogeneity on evaporation in ...

The evaporation process in porous media typically experiences three main periods, among which the first period, named the constant rate period (CRP), ...

Evaporation in porous media: pore network simulations and ...

The variability of the local evaporation rate is quite high (between about 10% of Jref and. 150% of Jref ). 0. 0.1. 0.2. 0.3. 0.4. 0.5. 0.6 θ i.

Evaporation-Induced Diffusion Acceleration in Liquid-Filled Porous ...

The characteristic velocity depends upon the evaporation rate on the surface of a liquid-filled porous material, reflecting the influence of the ...

Experimental Investigations on Evaporation from Porous Media

At this stage the evaporation is constant with high evaporation rate, this is caused by the capillary action transporting the water molecules up to the surface ...

Modeling of Evaporation-Driven Multiple Salt Precipitation in Porous ...

This result is supported by the results depicted in Figure 19 which describes the evolution of the initial porosity of the porous medium at the evaporating ...

1 Evaporation Rate Enabled by a 3D Interconnected Porous Carbon ...

A three-dimensional (3D) interconnected porous carbon foam is designed to realize an evaporation rate as high as 10.9 kg m−2 h−1 under 1-sun ...

Influence of high porous sponges for improving the interfacial ...

Results showed a significant improvement in the evaporation rate using a porous medium as the palatable water produced from the HSD was improved by 72.29%.

EVAPORATION FROM TWO POROUS MEDIA DURING DIURNAL ...

Two porous media consisting of glass beads with diameters ranging from 53 to 74 μm and from 149 to 210 μm were used. Rates of water loss from the initially ...

Enhanced Evaporation of Ternary Mixtures in Porous Medium with ...

The high surface area of porous media enhances its efficacy for evaporative ... evaporation, causing the fluctuations in evaporation rates. The ...

Dynamics of Saline Water Evaporation from Porous Media

Typically the evaporation rate from initially saturated porous media is relatively high and is controlled by the atmospheric condition, the so-called stage ...