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rdf:type
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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)
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Title
| - Strategy for predicting effective transport properties of complex porous structures
- Strategy for predicting effective transport properties of complex porous structures (en)
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skos:prefLabel
| - Strategy for predicting effective transport properties of complex porous structures
- Strategy for predicting effective transport properties of complex porous structures (en)
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skos:notation
| - RIV/60461373:22340/11:43892314!RIV12-MSM-22340___
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(KAN208240651), Z(AV0Z40720504), Z(MSM6046137306)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22340/11:43892314
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - ROCK; MEDIA; PARAMETERS; PERMEABILITY; SOLIDS; WICKE-KALLENBACH; POLYOLEFIN PARTICLES; CURRENT GAS-DIFFUSION; GRAHAMS DIFFUSION CELLS (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - COMPUTERS & CHEMICAL ENGINEERING
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Grof, Zdeněk
- Kosek, Juraj
- Salejová, Gabriela
- Schneider, Petr
- Šolcová, Olga
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1016/j.compchemeng.2010.06.002
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http://localhost/t...ganizacniJednotka
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is http://linked.open...avai/riv/vysledek
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