A Relationship between Pore Shapes and Mercury Porosimetry Curves as Revealed by a Random Pore Networks

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F09%3A00356434" target="_blank" >RIV/67985858:_____/09:00356434 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

A Relationship between Pore Shapes and Mercury Porosimetry Curves as Revealed by a Random Pore Networks

Popis výsledku v původním jazyce

We developed a random pore network model that was a geometrical simplification of a macroporous medium. The network consisted of chambers interconnected by pore throats and had the same total porosity and external size as pellets of the real medium. Chamber volume and throat size distributions and network connectedness were derived from replicas of the porous medium. The replicas were obtained by means of three-dimensional stochastic reconstruction. Free network parameters involved chamber shape throatshape,and levels of spatial correlation between chamber and throat sizes and between adjacent chamber sizes. Then, we developed a simulator of mercury intrusion and withdrawal, which could handle the formation of mercury menisci in chambers and throats of our particular geometry. The simulator of mercury intrusion was based on the mechanism of invasion percolation.

Název v anglickém jazyce

A Relationship between Pore Shapes and Mercury Porosimetry Curves as Revealed by a Random Pore Networks

Popis výsledku anglicky

We developed a random pore network model that was a geometrical simplification of a macroporous medium. The network consisted of chambers interconnected by pore throats and had the same total porosity and external size as pellets of the real medium. Chamber volume and throat size distributions and network connectedness were derived from replicas of the porous medium. The replicas were obtained by means of three-dimensional stochastic reconstruction. Free network parameters involved chamber shape throatshape,and levels of spatial correlation between chamber and throat sizes and between adjacent chamber sizes. Then, we developed a simulator of mercury intrusion and withdrawal, which could handle the formation of mercury menisci in chambers and throats of our particular geometry. The simulator of mercury intrusion was based on the mechanism of invasion percolation.

Druh

D - Stať ve sborníku

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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Projekt

<a href="/cs/project/GA203%2F05%2F0347" target="_blank" >GA203/05/0347: Pórovité katalyzátory a nosiče membrán: Vztah mezi transportem hmoty a texturními vlastnostmi</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Characterisation of Porous Solids VIII

ISBN

978-1-84755-904-3

ISSN

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e-ISSN

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Počet stran výsledku

9

Strana od-do

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Název nakladatele

Royal Society of Chemistry Publishing

Místo vydání

Cambridge

Místo konání akce

Edinburg

Datum konání akce

10. 6. 2008

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000269656900051