[Vortraege] Vortragsankündigungen KW. 36

[Danijela Radosavljevic]

Sehr geehrte Fakultätsmitglieder,

anbei die Vortragsankündigungen für die kommende Woche, im Anhang finden 
Sie den Text auch als PDF Datei.

Mit freundlichen Grüßen

Danijela Radosavljevic

Sekretariat
Institut für Mathematik
Universität Wien
Nordbergstr. 15, UZA 4
Tel: 43 1 4277 50629
Fax: 43 1 4277 9506

*Vorträge*


*Freitag, 07. September 2012, 10:30 Uhr, Hörsaal 1, UZA II*

*Außerordentliches mathematisches Kolloquium*

*Prof. Dr. Ian A. Frigaard **(University of British 
Columbia):****"/Quantifying flow regimes, front velocity and 
efficiencies in buoyant pipe displacement flows inclined close to 
horizontal/"***

**

/_Abstract:_///

/When one fluid displaces another fluid along a pipe a number of 
different regimes may result, depending flow rate, inclination, rheology 
and density of the fluids. Up to 10 dimensionless parameters may be 
identified for the most general situation. For near horizontal pipe 
flows with a density difference there is a tendency for the two fluids 
to stratify at long times, arrested only by inertial mixing between the 
fluids. We present results of a combined experimental, theoretical and 
computational study that succeeds in identifying the leading order flow 
behaviour and quantifying the front velocity (and hence displacement 
efficiency). Joint work with S.M. Taghavi, K. Alba, T. Seon and K. 
Wielage-Burchard.///

**

**

*(10:00 Uhr K&K vor Hörsaal 1, UZA II)*

*_
_*

*Dekan Univ.-Prof. Dr. Harald Rindler, Univ.-Prof. Dipl.-Ing. Dr. Otmar 
Scherzer*



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