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Description
  • Dva modely pórovitého prostředí, 3D replika získaná metodou stochastické rekonstrukce a síťový model, byly posouzeny z hlediska efektivní difusivity plynů. Metoda stochastické rekonstrukce využívá omezené množství morfologické informace, která byla získána z dvourozměrných řezů pórovitého materiálu. Síť pórů byla odvozena takovým způsobem, že její vlastnosti jako pórovitost, distribuce velikosti pórů, střední koordinační číslo a intruzní křivka se velmi dobře shodují s experimentem. Simulátor difusního toku v ustáleném stavu sítí pórů slabě nadhodnocuje efektivní difusivitu, zatímco přímý výpočet efektivní difusivity metodou náhodné procházky ve 3D replice dává hodnotu nižší než její experimentální protějš (cs)
  • Two models of a porous body, a 3D replica obtained by stochastic reconstruction and a random pore network, were evaluated with reference to the effective diffusivity of gases. The stochastic reconstruction technique employs the limited morphological information that was extracted from images of 2D cuts through the porous medium. The pore network was derived in such a way that the total porosity, pore-size function, mean coordination number, and mercury intrusion curve agreed well with experiment. A simulator of steady diffusion flow in the pore network slightly overestimated the effective diffusivity while the direct calculation of the effective diffusivity by exploiting random-walk simulation in the 3D re
  • Two models of a porous body, a 3D replica obtained by stochastic reconstruction and a random pore network, were evaluated with reference to the effective diffusivity of gases. The stochastic reconstruction technique employs the limited morphological information that was extracted from images of 2D cuts through the porous medium. The pore network was derived in such a way that the total porosity, pore-size function, mean coordination number, and mercury intrusion curve agreed well with experiment. A simulator of steady diffusion flow in the pore network slightly overestimated the effective diffusivity while the direct calculation of the effective diffusivity by exploiting random-walk simulation in the 3D re (en)
Title
  • Effective Diffusivities of Gases in a Reconstructed Porous Body.
  • Efektivní difusivity plynů v rekonstruovaném pórovitém materiálu. (cs)
  • Effective Diffusivities of Gases in a Reconstructed Porous Body. (en)
skos:prefLabel
  • Effective Diffusivities of Gases in a Reconstructed Porous Body.
  • Efektivní difusivity plynů v rekonstruovaném pórovitém materiálu. (cs)
  • Effective Diffusivities of Gases in a Reconstructed Porous Body. (en)
skos:notation
  • RIV/67985858:_____/07:00091453!RIV08-AV0-67985858
http://linked.open.../vavai/riv/strany
  • 389;390
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/05/0347), Z(AV0Z40400503), Z(AV0Z40720504)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 419205
http://linked.open...ai/riv/idVysledku
  • RIV/67985858:_____/07:00091453
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • stochastic reconstruction; pore network; random walk (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4051983073AB]
http://linked.open...v/mistoKonaniAkce
  • Copenhagen
http://linked.open...i/riv/mistoVydani
  • -
http://linked.open...i/riv/nazevZdroje
  • Book of Abstracts
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Kočiřík, Milan
  • Čapek, P.
  • Zikánová, Arlette
  • Brabec, Libor
  • Hejtmánek, Vladimír
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Norhaven Book
https://schema.org/isbn
  • 978-87-91435-56-0
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