About: Strategy for predicting effective transport properties of complex porous structures

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Measurements of effective transport properties of porous media, such as effective diffusivity and permeability, are well established by several experimental techniques. Effective transport properties can be also calculated from the spatially 3D reconstructed porous media, where the morphology characteristics required for the reconstruction are obtained from electron microscopy images. Here we demonstrate the reconstruction of porous alumina catalyst carrier with bimodal pore size distribution. Multi-scale concept is employed for the computation of effective diffusivity and permeability of reconstructed porous media and calculated effective transport properties are compared with transport parameters experimentally determined in Graham diffusion and simple permeation cell. The limitations of current state-of-the-art reconstruction techniques for porous media with broad pore size distribution are discussed. We show that the contribution of nano-pores towards the total diffusion flux is significant and cannot be neglected, but it is reasonable to neglect the contribution of nano-pores towards the sample permeability. (c) 2010 Elsevier Ltd. All rights reserved. Measurements of effective transport properties of porous media, such as effective diffusivity and permeability, are well established by several experimental techniques. Effective transport properties can be also calculated from the spatially 3D reconstructed porous media, where the morphology characteristics required for the reconstruction are obtained from electron microscopy images. Here we demonstrate the reconstruction of porous alumina catalyst carrier with bimodal pore size distribution. Multi-scale concept is employed for the computation of effective diffusivity and permeability of reconstructed porous media and calculated effective transport properties are compared with transport parameters experimentally determined in Graham diffusion and simple permeation cell. The limitations of current state-of-the-art reconstruction techniques for porous media with broad pore size distribution are discussed. We show that the contribution of nano-pores towards the total diffusion flux is significant and cannot be neglected, but it is reasonable to neglect the contribution of nano-pores towards the sample permeability. (c) 2010 Elsevier Ltd. All rights reserved. (en)
Title	Strategy for predicting effective transport properties of complex porous structures Strategy for predicting effective transport properties of complex porous structures (en)
skos:prefLabel	Strategy for predicting effective transport properties of complex porous structures Strategy for predicting effective transport properties of complex porous structures (en)
skos:notation	RIV/60461373:22340/11:43892314!RIV12-MSM-22340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KAN208240651), Z(AV0Z40720504), Z(MSM6046137306)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kosek, Juraj Grof, Zdeněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	232533
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/11:43892314
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ROCK; MEDIA; PARAMETERS; PERMEABILITY; SOLIDS; WICKE-KALLENBACH; POLYOLEFIN PARTICLES; CURRENT GAS-DIFFUSION; GRAHAMS DIFFUSION CELLS (en)
http://linked.open.../riv/klicoveSlovo	CURRENT GAS-DIFFUSION GRAHAMS DIFFUSION CELLS MEDIA PERMEABILITY POLYOLEFIN PARTICLES ROCK SOLIDS WICKE-KALLENBACH PARAMETERS
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[A362B6F152B9]
http://linked.open...i/riv/nazevZdroje	COMPUTERS & CHEMICAL ENGINEERING
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Study of interactions of biological macromolecules and nanolayers with a view to research of polymer microfluidic biosensors and therapeutic nanoparticles
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Grof, Zdeněk Kosek, Juraj Salejová, Gabriela Schneider, Petr Šolcová, Olga
http://linked.open...ain/vavai/riv/wos	000287385800002
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection Reakčně-transportní chemicko-inženýrské systémy a jejich dynamické chování, modelování a řízení chemických a biotechnologických procesů
issn	0098-1354
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.compchemeng.2010.06.002
http://localhost/t...ganizacniJednotka	22340

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