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A comparative study of different mesh types for transport processes near gas bubbles regarding accuracy, stability, and run time

Kleikemper, Jan-Alexander (2018)
A comparative study of different mesh types for transport processes near gas bubbles regarding accuracy, stability, and run time.
Technische Universität Darmstadt
Bachelor Thesis, Primary publication

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Item Type: Bachelor Thesis
Type of entry: Primary publication
Title: A comparative study of different mesh types for transport processes near gas bubbles regarding accuracy, stability, and run time
Language: English
Referees: Bothe, Prof. Dr. Dieter ; Tropea, Prof. Dr. Cameron
Date: 16 March 2018
Place of Publication: Darmstadt
Date of oral examination: 16 March 2018
Abstract:

Mass transfer at a single gas bubble rising in incompressible liquid is studied. Only the liquid phase is simulated. A fixed bubble model is used and non-deformable spheroidal gas bubbles with aspect ratio χ = 3 are considered. The Reynolds number is varied between 50 and 500 and two Schmidt numbers, 10 and 100 , are taken into account. Four meshing strategies are compared with respect to accuracy, stability and run-time. The main focus is on mesh sensitivity of the target quantities close to the interface and in the bubble wake. The results are compiled in a Best Practice Guide.

URN: urn:nbn:de:tuda-tuprints-73216
Divisions: 04 Department of Mathematics > Mathematical Modelling and Analysis
Date Deposited: 17 Apr 2018 13:54
Last Modified: 17 Apr 2018 13:54
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/7321
PPN: 428545947
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