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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F14%3APU110649%21RIV15-MSM-26210___
rdf:type
skos:Concept n21:Vysledek
dcterms:description
Reactors with internal circulation loop are nowadays widely spread (extensively applied) in chemical industry, biochemical fermentation or biological wastewater treatment processes. Internal loop reactors consist of concentric draft tube, in which a gas bubbles rising up, and the downcomer in which the liquid is flowing downward. Size and diameter of the draft tube is of crucial importance reactor geometry parameters and together with number of the draft tubes has big effect on two phase hydrodynamics and mixing processes (mass transfer) inside the reactor. Present paper is divided onto the two parts. In the first part, the validation of selected mathematical model (mixed flow) is carried out. Results of experimental measurements (liquid velocity and gas hold-up) obtained on the laboratory scale reactor with internal circulation loop are compared with the CFD simulations. The CFD simulation (bubbly flow and mass transfer models) was made by COMSOL Multiphysics version 3.5a. The obtained results of num Reactors with internal circulation loop are nowadays widely spread (extensively applied) in chemical industry, biochemical fermentation or biological wastewater treatment processes. Internal loop reactors consist of concentric draft tube, in which a gas bubbles rising up, and the downcomer in which the liquid is flowing downward. Size and diameter of the draft tube is of crucial importance reactor geometry parameters and together with number of the draft tubes has big effect on two phase hydrodynamics and mixing processes (mass transfer) inside the reactor. Present paper is divided onto the two parts. In the first part, the validation of selected mathematical model (mixed flow) is carried out. Results of experimental measurements (liquid velocity and gas hold-up) obtained on the laboratory scale reactor with internal circulation loop are compared with the CFD simulations. The CFD simulation (bubbly flow and mass transfer models) was made by COMSOL Multiphysics version 3.5a. The obtained results of num
dcterms:title
Effect of the draft tube on mixing in the reactor with internal circulation loop – CFD simulation Effect of the draft tube on mixing in the reactor with internal circulation loop – CFD simulation
skos:prefLabel
Effect of the draft tube on mixing in the reactor with internal circulation loop – CFD simulation Effect of the draft tube on mixing in the reactor with internal circulation loop – CFD simulation
skos:notation
RIV/00216305:26210/14:PU110649!RIV15-MSM-26210___
n3:aktivita
n19:P
n3:aktivity
P(EE2.3.30.0039)
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n16:3100987
n3:druhVysledku
n4:D
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
13551
n3:idVysledku
RIV/00216305:26210/14:PU110649
n3:jazykVysledku
n6:eng
n3:klicovaSlova
CFD, bubble column, airlift, mass trasfer, mixing
n3:klicoveSlovo
n7:airlift n7:bubble%20column n7:mixing n7:CFD n7:mass%20trasfer
n3:kontrolniKodProRIV
[0D1FB81E403B]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
21st International Congress of Chemical and Process Engineering CHISA 2014 and 17th Conference PRES 2014, Authors of papers
n3:obor
n14:CI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n20:EE2.3.30.0039
n3:rokUplatneniVysledku
n9:2014
n3:tvurceVysledku
Večeř, Marek Leštinský, Pavel
n3:typAkce
n10:WRD
n3:zahajeniAkce
2014-08-23+02:00
s:numberOfPages
9
n15:hasPublisher
Neuveden
n8:isbn
978-80-02-02555-9
n17:organizacniJednotka
26210