Direct numerical simulation of dynamic three-fluid flow
by Zhi Lin Yang, Wei Min Ma
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 7, No. 2/3/4, 2007

Abstract: Three-fluid flow is characterised by three different interfaces between fluids, which are among the most important issues in a three-fluid flow. The objective of this paper is to track the dynamic interfaces between fluids implicitly and then to computerise the flow hydrodynamics. We use the level-set method for the interface tracking and a high-order Navier-Stokes solver, called Cubic-Interpolated Pseudo-Particle (CIP) algorithm to solve the equation system. Firstly, a two-fluid situation is simulated to demonstrate the capability of the level-set method. Then, as an example, we simulate a drop which is covered by a layer of gas/vapour and is moving in a water pool. The dynamic processes, such as deformation of vapour layer and its detachment from the drop, are simulated.

Online publication date: Tue, 03-Apr-2007

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