Results 111 to 120 of about 182,774 (298)

Homogenization of a double porosity model in deformable media

Electronic Journal of Differential Equations, 2013
The article addresses the homogenization of a family of micro-models for the flow of a slightly compressible fluid in a poroelastic matrix containing periodically distributed poroelastic inclusions, with low permeabilities and with imperfect contact ...
Abdelhamid Ainouz
doaj  

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

Advanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein, Tiago Carneiro Gomes, Eliza Ng, Simon Rondeau‐Gagné, Tricia Breen Carmichael   +4 more
wiley   +1 more source

Predicting Intrinsic Permeability of a Double Porosity Cellular Ceramic Using X-ray Micro-tomography

Chemical Engineering Transactions, 2019
The microstructure of a porous cellular ceramic exhibiting two spatial characteristic lengths was characterized to determine parameters of its pore space morphology and connectivity.
Iara Mantovani, Leandro Coser, Clara Calado, Odair J. Bellini, Hotza Dachamir, Mara Quadri, Celso Fernandes   +6 more
doaj   +1 more source

Image analysis of non-aqueous phase liquid migration in aggregated kaolin [PDF]

, 2016
Double-porosity is an important feature in soil due to its influence on the migration of fluids within the soil. Conventional ways of measuring fluid saturation involves intrusive use of equipment that may disturb the original setting of the sample being
Abd. Rahman, N., Ali, M. I., Chin, P. Q., Hasan, M., Mohd Tadza, M. Y., Ngien, S. K.   +5 more
core  

CO2 Reduction on Copper‐Nitrogen‐Doped Carbon Catalysts Tuned by Pulsed Potential Electrolysis: Effect of Pulse Potential

Advanced Functional Materials, EarlyView.
This study demonstrates that pulsed potential electrolysis significantly improves CO2 reduction performance on copper‐nitrogen doped carbon electrodes. The formation of cationic copper sites and metallic clusters as a function of applied intermittent potential leads to notable selectivity changes compared to potentiostatic reduction.
Dorottya Hursán, Janis Timoshenko, Andrea Martini, Hyo Sang Jeon, Eduardo Ortega, Martina Rüscher, Arno Bergmann, Aram Yoon, Uta Hejral, Antonia Herzog, Clara Rettenmaier, Felix T. Haase, Philipp Grosse, Beatriz Roldan Cuenya   +13 more
wiley   +1 more source

Optimized Configuration and Sand Control Benefits of Double-row High Vertical Nylon Mesh Sand Barrier and Grass Lattice Sand Barrier

Shuitu Baochi Xuebao
[Objective] For the joint application of double-row high vertical nylon mesh sand barriers and grass checkerboard sand barriers, wind tunnel experimental studies were conducted to optimize the configuration of nylon mesh sand barriers porosity in the ...
WANG Maolin, SONG Ling, LIU Jie, WANG Yunfei, JING Wenyun   +4 more
doaj   +1 more source

Shear Dispersion in Double-Porosity Systems

, 2016
In this study, shear dispersion in double-porosity systems has been investigated. The major focus of this study is determination of dispersion coefficients through development of mathematical models for solute transport in a variety of coupled double-porosity systems by imposing an accurate boundary condition at the interface between a porous medium ...
openaire   +2 more sources

Continuous‐Flow Photocatalytic Degradation of Glyphosate and Aminomethylphosphonic Acid Under Simulated Sunlight with TiO2‐Coated Poly(vinylidene fluoride) Membrane

Advanced Functional Materials, EarlyView.
Glyphosate (GLY) and its primary metabolite, aminomethylphosphonic acid (AMPA), are photodegraded using a poly(vinylidene fluoride) membrane with immobilized titanium dioxide (PVDF‐TiO2) in a continuous flow‐through operation under solar light. At optimized conditions, the PVDF‐TiO2 membrane achieved 95% GLY and 80% AMPA removal with •O2− as the ...
Phuong B. Trinh, Siqi Liu, Nurul F. Himma, Béla Fiser, Andrea I. Schäfer   +4 more
wiley   +1 more source

Numerical modeling of the ELECTROMAGNETIC WAVES interaction with microporous structure absorber

Доклады Белорусского государственного университета информатики и радиоэлектроники, 2019
Сonsistent physics and mathematics model of electromagnetic waves propagation in heterogeneous medium using the generalized wave equation and the Dirichlet theorem is built. The data of numerical simulation of the electromagnetic interference interaction
N. N. Grinchik, O. M. Khrma
doaj  

Homogenization in Sobolev Spaces with Nonstandard Growth: Brief Review of Methods and Applications

International Journal of Differential Equations, 2013
We review recent results on the homogenization in Sobolev spaces with variable exponents. In particular, we are dealing with the Γ-convergence of variational functionals with rapidly oscillating coefficients, the homogenization of the Dirichlet and ...
Brahim Amaziane, Leonid Pankratov
doaj   +1 more source