Results 31 to 40 of about 445,534 (289)

Potential applications of distributed optical fiber sensor in hydrate‐induced sedimentary deformation research

open access: yesEnergy Science & Engineering, 2022
Natural gas hydrate is regarded as a potential clean energy source. However, hydrate phase transition during gas production leads to significant hydrate‐bearing sedimentary layer deformation, which is one of the main obstacles for safe hydrate ...
Ying Teng   +3 more
doaj   +1 more source

Technical Analysis of Ammonia Reforming Hydrogen Production Based on Porous Medium Burner

open access: yes南方能源建设, 2023
[Introduction] Hydrogen energy is characterized by the advantages of wide sources, high calorific value, storability, no pollution, and zero carbon emissions. It has become a zero-carbon clean energy with great development potential.
Zixing WANG   +3 more
doaj   +1 more source

Studying Effect of Travel Distance on Dispersion Coefficient in Layered Soil Perpendicular to Flow Direction using Numerical Model [PDF]

open access: yesJournal of Hydraulic and Water Engineering, 2023
One of the most important measurable properties of the porous medium is dispersivity, which is used in advection-dispersion equations related to pollutant transport in the study of groundwater.
H. Mehdipanh   +2 more
doaj   +1 more source

Stochastic models associated to a Nonlocal Porous Medium Equation [PDF]

open access: yes, 2018
The nonlocal porous medium equation considered in this paper is a degenerate nonlinear evolution equation involving a space pseudo-differential operator of fractional order.
De Gregorio, Alessandro
core   +2 more sources

Effect of Anionic Surfactants on the Oil–Water–Rock Interactions by an Improved Washburn Method

open access: yesMolecules
The complex and variable structure of subsurface oil reservoirs as well as the small pore throat size of reservoirs make it extremely important to investigate the effect of oil–water–rock interactions for enhancing oil recovery. In this paper, the powder
Tie Kuang   +8 more
doaj   +1 more source

An upscaling-based numerical simulation method for time-varying reservoir properties

open access: yesFrontiers in Earth Science
Both field practices and laboratory experiments in mature, high water-cut oilfields have confirmed that long-term water flooding dynamically alters rock wettability and micro-pore structure, causing shifts in relative permeability curves and reservoir ...
Yubo Lan   +8 more
doaj   +1 more source

Flow Through Porous Media Induced by an Impervious Rotating Disk in the Presence of Magnetic Field

open access: yesEngineering Transactions, 2005
The flow of an electrically conducting viscous incompressible fluid, due to an infinite impervious rotating disk bounded by porous medium is discussed.
P.K. SHARMA, R.C. CHAUDHARY
doaj   +1 more source

Strong Solutions of Stochastic Generalized Porous Media Equations: Existence, Uniqueness and Ergodicity [PDF]

open access: yes, 2005
Explicit conditions are presented for the existence, uniqueness and ergodicity of the strong solution to a class of generalized stochastic porous media equations.
Da Prato, Giuseppe   +3 more
core   +2 more sources

Influence of high porous sponges for improving the interfacial evaporation from hemispherical solar distillers

open access: yesScientific Reports, 2023
The present study aims to improve the palatable water production from the hemispherical cover solar distiller (HSD). To augment the palatable water produced from the hemispherical cover, a black sponge was utilized as a porous medium using different ...
Ravishankar Sathyamurthy   +5 more
doaj   +1 more source

Lattice Boltzmann Model for Gas Flow through Tight Porous Media with Multiple Mechanisms

open access: yesEntropy, 2019
In the development of tight gas reservoirs, gas flow through porous media usually takes place deep underground with multiple mechanisms, including gas slippage and stress sensitivity of permeability and porosity.
Junjie Ren   +3 more
doaj   +1 more source

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