Transcription of Lecture 14 - Multiphase Flows Applied …
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1 Lecture 14 - Multiphase FlowsApplied Computational Fluid DynamicsInstructor: Andr Andr Bakker (2002-2006) Fluent Inc. (2002)2 Definitions Multiphase flow is simultaneous flow of: Materials with different states or phases ( gas, liquid or solid). Materials with different chemical properties but in the same state or phase ( liquid-liquid systems such as oil droplets in water). The primary and secondary phases: One of the phases is continuous (primary) while theother(s) (secondary) are dispersed within the continuous phase. A diameter has to be assigned for each secondary phase to calculate its interaction (drag) with the primary phase.
8 • Empirical correlations. • Lagrangian. – Track individual point particles. – Particles do not interact. • Algebraic slip model. – Dispersed phase in a continuous phase.
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