Publisher DOI: 10.1089/ees.2017.0319
Title: Rise velocity of live-oil droplets in deep-sea oil spills
Language: English
Authors: Pesch, Simeon Jacob 
Jaeger, Philip 
Jaggi, Aprami 
Malone, Karen 
Hoffmann, Marko 
Krause, Dieter 
Oldenburg, Thomas B. P. 
Schlüter, Michael 
Issue Date: Apr-2018
Source: Environmental Engineering Science 4 (35): 289-299 (2018-04)
Journal or Series Name: Environmental engineering science 
Abstract (english): A model for calculation of oil-droplet rise velocities under consideration of the pressure-dependent gas-in-oil solubility was presented and validated. The concept of internal degassing that leads to a higher buoyancy of crude-oil droplets and thus an accelerated drop rise was introduced. Calculation of three different drop-rise scenarios showed high impact of this effect. For the first time high-pressure experiments using gas-saturated crude oil and artificial seawater in a counter-current flow channel were conducted. Optical recording and analysis of droplet volume during pressure release confirm the significance of predicted effect of degassing. The interplay of degassing, nucleation, and mass transfer was discussed.
ISSN: 1092-8758
Institute: Mehrphasenströmungen V-5 
Thermische Verfahrenstechnik V-8 
Produktentwicklung und Konstruktionstechnik M-17 
Type: (wissenschaftlicher) Artikel
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