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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F11%3A00183327%21RIV12-MSM-21110___
rdf:type
n16:Vysledek skos:Concept
dcterms:description
An inverse problem of the parameter estimation for the water transport during dehydroxylation in a large cylindrical ceramic body is solved. The transport is described by a standard type of non-stationary diffusion equation with a volumetric generation. The inverse problem is solved by the Levenberg-Marquardt method, with the estimated parameters being the water transfer diffusivity and water generation per unit volume. Their temperature dependencies are obtained within the dehydroxylation regime for 450 °C, 500 °C, 550 °C, and 600 °C, using experimental data from isothermal heating measurements. The activation energy of the diffusion process is estimated from the temperature dependence of the diffusivity, yielding 72.9 kJ mol-1. An inverse problem of the parameter estimation for the water transport during dehydroxylation in a large cylindrical ceramic body is solved. The transport is described by a standard type of non-stationary diffusion equation with a volumetric generation. The inverse problem is solved by the Levenberg-Marquardt method, with the estimated parameters being the water transfer diffusivity and water generation per unit volume. Their temperature dependencies are obtained within the dehydroxylation regime for 450 °C, 500 °C, 550 °C, and 600 °C, using experimental data from isothermal heating measurements. The activation energy of the diffusion process is estimated from the temperature dependence of the diffusivity, yielding 72.9 kJ mol-1.
dcterms:title
Estimation of mass transfer parameters during dehydroxylation in a large ceramic body by inverse methods Estimation of mass transfer parameters during dehydroxylation in a large ceramic body by inverse methods
skos:prefLabel
Estimation of mass transfer parameters during dehydroxylation in a large ceramic body by inverse methods Estimation of mass transfer parameters during dehydroxylation in a large ceramic body by inverse methods
skos:notation
RIV/68407700:21110/11:00183327!RIV12-MSM-21110___
n16:predkladatel
n18:orjk%3A21110
n5:aktivita
n12:Z
n5:aktivity
Z(MSM6840770031)
n5:cisloPeriodika
8
n5:dodaniDat
n6:2012
n5:domaciTvurceVysledku
Trník, Anton Medveď, Igor
n5:druhVysledku
n8:J
n5:duvernostUdaju
n15:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
197989
n5:idVysledku
RIV/68407700:21110/11:00183327
n5:jazykVysledku
n7:eng
n5:klicovaSlova
Diffusion; Thermal properties; Porcelain
n5:klicoveSlovo
n19:Diffusion n19:Porcelain n19:Thermal%20properties
n5:kodStatuVydavatele
IT - Italská republika
n5:kontrolniKodProRIV
[CB71E7C3C2EC]
n5:nazevZdroje
Ceramics International
n5:obor
n10:JH
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
3
n5:rokUplatneniVysledku
n6:2011
n5:svazekPeriodika
37
n5:tvurceVysledku
Trník, Anton Medveď, Igor Ondruška, J.
n5:wos
000296397400043
n5:zamer
n14:MSM6840770031
s:issn
0272-8842
s:numberOfPages
7
n17:doi
10.1016/j.ceramint.2011.05.126
n11:organizacniJednotka
21110