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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F12%3A43893751%21RIV13-GA0-22340___
rdf:type
n8:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0022311512002929
dcterms:description
In this study, we consider a cold cap resting on a pool of molten glass from which it receives a steady heat flux while temperature, velocity, and extent of conversion are functions of the position along the vertical coordinate. A one-dimensional mathematical model simulates this process by solving the differential equations for mass and energy balances with appropriate boundary conditions and constitutive relationships for material properties. The sensitivity analyses on the effects of incoming heat fluxes to the cold cap through its lower and upper boundaries show that the cold cap thickness increases as the heat flux from above increases, and decreases as the total heat flux increases. We also discuss the effects of foam, originating from batch reactions and from redox reactions in molten glass, and argue that models must represent the foam layer to achieve a reliable prediction of the melting rate as a function of feed properties and melter conditions. In this study, we consider a cold cap resting on a pool of molten glass from which it receives a steady heat flux while temperature, velocity, and extent of conversion are functions of the position along the vertical coordinate. A one-dimensional mathematical model simulates this process by solving the differential equations for mass and energy balances with appropriate boundary conditions and constitutive relationships for material properties. The sensitivity analyses on the effects of incoming heat fluxes to the cold cap through its lower and upper boundaries show that the cold cap thickness increases as the heat flux from above increases, and decreases as the total heat flux increases. We also discuss the effects of foam, originating from batch reactions and from redox reactions in molten glass, and argue that models must represent the foam layer to achieve a reliable prediction of the melting rate as a function of feed properties and melter conditions.
dcterms:title
Mathematical modeling of cold cap Mathematical modeling of cold cap
skos:prefLabel
Mathematical modeling of cold cap Mathematical modeling of cold cap
skos:notation
RIV/60461373:22340/12:43893751!RIV13-GA0-22340___
n8:predkladatel
n11:orjk%3A22340
n3:aktivita
n13:P
n3:aktivity
P(GAP106/10/1912)
n3:cisloPeriodika
1-3
n3:dodaniDat
n7:2013
n3:domaciTvurceVysledku
n15:6858791
n3:druhVysledku
n14:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n21:predkladatel
n3:idSjednocenehoVysledku
148724
n3:idVysledku
RIV/60461373:22340/12:43893751
n3:jazykVysledku
n9:eng
n3:klicovaSlova
Cold cap; Waste vitrification; Glass foaming; Glass melting
n3:klicoveSlovo
n10:Glass%20foaming n10:Glass%20melting n10:Cold%20cap n10:Waste%20vitrification
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[575455DACF37]
n3:nazevZdroje
Journal of nuclear materials
n3:obor
n18:CI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n4:GAP106%2F10%2F1912
n3:rokUplatneniVysledku
n7:2012
n3:svazekPeriodika
429
n3:tvurceVysledku
Hrma, Pavel Pokorný, Richard
n3:wos
000309799100034
s:issn
0022-3115
s:numberOfPages
12
n19:doi
10.1016/j.jnucmat.2012.06.013
n17:organizacniJednotka
22340