mathematical modeling of coalescence
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June 2008
Kjell Erik Rian, EPT
Master of Science in Energy and EnvironmentSubmission date:
Supervisor:
Norwegian University of Science and Technology
Department of Energy and Process Engineering
Mathematical Modeling of Coalescenceof Oil Droplets in Water Flow
Eirik Kufås
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Problem DescriptionThrough this Master's thesis the goal is to study mathematical models for coalescence of oil
droplets in a water flow. The industrial basis for this project is the need for a mathematical model
that can be applied in CFD simulations for the optimization of swirl-based coalescers.The project will be carried out in close cooperation with Aker Process Systems AS, Division of
Advanced Separation.
The following tasks should be considered in the project work:
1. Carry out a literature review on liquid-liquid coalescence with special focus on oil droplet
coalescence in a continuous water phase. Give a thorough discussion of the problem.
2. Formulate a mathematical model for coalescence of oil droplets in a water flow.
3. In cooperation with the advisors, select a suitable numerical simulation tool to study
coalescence of oil droplets in a water flow. Give a description of the relevant parts of this programsystem.Perform relevant numerical simulations and discuss the results thoroughly.
4. If necessary, suggest further improvements of the mathematical model.
Assignment given: 01. February 2008
Supervisor: Kjell Erik Rian, EPT
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