Simulation of Oscillating Free Interface Behavior by Using OpenFOAM
2013
The motions of free interface and its coupling with bubble in oscillating two-phase flow field are simulated numerically by using OpenFOAM. The oscillating two-phase flow field is simulated using the VOF method and the moving grid of the Arbitrary Lagrangian-Eulerian (ALE) method. Firstly, free interface is simulated, and its interface elevation is well coincided with experimental results. Then simulations of free faces with or without bubble near it under oscillating condition are compared. It is found that the free interface between gas and liquid phases is affected largely by the oscillation, and the effect is intensified when bubble is near free surfaces. And local pressure disturbance is found after bubble coalesces with free interface.Copyright © 2013 by ASME
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