Results 101 to 110 of about 3,201,741 (356)

Including van der Waals Forces in Diffusion-Convection Equations - Modeling, Analysis, and Numerical Simulations [PDF]

open access: yesarXiv, 2016
This paper presents a model of van der Waals forces in the framework of diffusion-convection equations. The model consists of a nonlinear and degenerated diffusion-convection equation, which furthermore can be considered as a model for slow perikinetic coagulation.
arxiv  

The kinetics of ice-lens growth in porous media [PDF]

open access: yes, 2011
We analyse the growth rate of segregated ice (ice lenses) in freezing porous media. For typical colloidal materials such as soils we show that the commonly-employed Clapeyron equation is not valid macroscopically at the interface between the ice lens and
Peppin, S. S. L., Style, R. W.
core   +1 more source

Tomographic Study of Internal Erosion of Particle Flows in Porous Media

open access: yes, 2017
In particle-laden flows through porous media, porosity and permeability are significantly affected by the deposition and erosion of particles. Experiments show that the permeability evolution of a porous medium with respect to a particle suspension is ...
Bianchi, Filippo   +4 more
core   +1 more source

Natural Convection Flow of a Nanofluid in an Inclined Square Enclosure Partially Filled with a Porous Medium

open access: yesScientific Reports, 2017
This work analyses free convection flow of a nanofluid in an inclined square enclosure consisting of a porous layer and a nanofluid layer using the finite difference methodology.
A. Alsabery   +3 more
semanticscholar   +1 more source

KCS1 and VIP1, the genes encoding yeast phosphoinositol pyrophosphate synthases, are required for Ca2+‐mediated response to dimethylsulfoxide (DMSO)

open access: yesFEBS Open Bio, EarlyView.
Ca2+‐mediated response to DMSO was investigated in Saccharomyces cerevisiae cells expressing Ca2+‐dependent aequorin. Cell exposure to DMSO induced a cytosolic Ca2+ wave dependent on the integrity of the Cch1/Mid1 channel. Deletion of KCS1 or VIP1 genes encoding the phosphoinositol pyrophosphate (PP‐IP) synthases suppressed the DMSO‐induced Ca2 ...
Larisa Ioana Gogianu   +4 more
wiley   +1 more source

On the stochastic porous medium equation

open access: yesJournal of Differential Equations, 2006
AbstractIn this paper, we discuss an initial-boundary value problem and a Cauchy problem for the stochastic porous medium equation. Our basic estimates are based on the known results due to (Math. Sbornik 67 (1965) 609–642, Arch. Rational Mech. Anal. 25 (1967) 64–80). By the procedure developed in (Trans. Amer. Math. Soc.
openaire   +2 more sources

Optimal regularity for the porous medium equation [PDF]

open access: yesJournal of the European Mathematical Society, 2020
We prove optimal regularity for solutions to porous media equations in Sobolev spaces, based on velocity averaging techniques. In particular, the regularity obtained is consistent with the optimal regularity in the linear limit.
openaire   +3 more sources

Effect of Equivalence Ratio on Flame Morphology, Thermal and Emissions Characteristics of Inverse Diffusion Porous Burner [PDF]

open access: yesJournal of Applied Fluid Mechanics
The diffusion porous media combustion is one possible way to eliminate the drawbacks of the existing combustion systems. Inverse diffusion flame (IDF) has features of both premixed and non-premixed flames.
A. Dekhatawala, P. V. Bhale, R. Shah
doaj   +1 more source

Visualizing multiphase flow and trapped fluid configurations in a model three-dimensional porous medium

open access: yes, 2013
We report an approach to fully visualize the flow of two immiscible fluids through a model three-dimensional (3D) porous medium at pore-scale resolution.
Datta, Sujit S.   +3 more
core   +1 more source

Three-Dimensional MHD Flow of Casson Fluid in Porous Medium with Heat Generation

open access: yes, 2016
The magnetohydrodynamic (MHD) three-dimensional boundary layer flow of an incompressible Casson fluid in a porous medium is investigated. Heat transfer characteristics are analyzed in the presence of heat generation/absorption.
S. Shehzad   +3 more
semanticscholar   +1 more source

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