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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F01%3A27013029%21RIV%2F2003%2FAV0%2FA27003%2FN
rdf:type
n16:Vysledek skos:Concept
dcterms:description
- In the flow regime of turbulent fluidization, pockets of gas (bubbles or slugs) no longer appear distinct. Clusters and strands of fine particles as well as voids of elongated and distorted shapes move rapidly in a zigzag manner through the bed. The solids hold-up is quite high (25-35 % by volume) and at the indistinct bed surface, aggregates of particles are continuously ejected into the freeboard. Turbulent fluidization is often employed in industrial fluidized-bed reactors because of efficient gas-solid contact, rapid heat and mass transfer and limited axial mixing of gas. Although it accounts for most commercial applications of gas-solid fluidization, the turbulent fluidization has received far less attention than the adjacent flow regimes of bubbling (or slugging) and fast fluidization. A number of empirical correlations are presented for prediction of the range of turbulent fluidization. Turbulent beds exhibit non-uniform distributions of voidage/solids holdup in both axial and radial directions
dcterms:title
Turbulentní fluidace. turbulent fluidization. Turbulentní fluidace.
skos:prefLabel
Turbulentní fluidace. turbulent fluidization. Turbulentní fluidace.
skos:notation
RIV/67985858:_____/01:27013029!RIV/2003/AV0/A27003/N
n3:strany
556;562
n3:aktivita
n14:Z n14:P
n3:aktivity
P(IAA4072001), P(IAA4072711), Z(AV0Z4072921)
n3:cisloPeriodika
9
n3:dodaniDat
n9:2003
n3:domaciTvurceVysledku
n15:7290373 n15:3190862 n15:2423251 n15:2553473
n3:druhVysledku
n18:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
699293
n3:idVysledku
RIV/67985858:_____/01:27013029
n3:jazykVysledku
n7:cze
n3:klicovaSlova
terminal velocity; particles; regimes
n3:klicoveSlovo
n11:particles n11:terminal%20velocity n11:regimes
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[D8A590922E1A]
n3:nazevZdroje
Chemické Listy
n3:obor
n8:CI
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n13:IAA4072711 n13:IAA4072001
n3:rokUplatneniVysledku
n9:2001
n3:svazekPeriodika
95
n3:tvurceVysledku
Trnka, Otakar Veselý, Václav Hartman, Miloslav Svoboda, Karel
n3:zamer
n12:AV0Z4072921
s:issn
0009-2770
s:numberOfPages
7