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  4. Skalenübergreifende Beschreibung der Transportprozesse bei Gas/Flüssig-Reaktionen
 
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Skalenübergreifende Beschreibung der Transportprozesse bei Gas/Flüssig-Reaktionen

Other Titles
Multiscale description of mass transfer processes for gas-liquid reactions
Publikationstyp
Journal Article
Date Issued
2011-06-22
Sprache
German
Author(s)
Kück, Ulf Daniel  
Kröger, Michael  
Bothe, Dieter  
Räbiger, Norbert  
Schlüter, Michael  orcid-logo
Warnecke, Hans-Joachim  
Institut
Mehrphasenströmungen V-5  
TORE-URI
http://hdl.handle.net/11420/14976
Journal
Chemie - Ingenieur - Technik  
Volume
83
Issue
7
Start Page
1084
End Page
1095
Citation
Chemie-Ingenieur-Technik 83 (7): 1084-1095 (2011)
Publisher DOI
10.1002/cite.201100036
Scopus ID
2-s2.0-84860399569
Publisher
WILEY-VCH Verlag
This work focuses on the investigation of multiscale mass transfer processes at freely rising single spherical bubbles with superimposed chemical reaction. For this purpose, the oxygen mass transfer without chemical reaction, calculated from numerical simulations and experimental investigations is compared quantitatively. Moreover the impact of the sulfite-sulfate reaction on the concentration field is shown qualitatively. It becomes obvious that numerical simulations provide more detailed information of the velocity field, while experiments represent a valid analysis of the concentration field. Thus bidirectional validation and combined usage of the more significant results lead to an improved calculation of the local oxygen mass flow. © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Subjects
Bubble
Gas-liquid reaction
Mass transfer
Sulfite-sulfate reaction
Volume-of-fluid (VOF) method
DDC Class
500: Naturwissenschaften
530: Physik
600: Technik
620: Ingenieurwissenschaften
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