Numerical Simulations and Comparisons of Air Bubbling Process through Single Hole
VOF and Eulerian model in the software of Fluent are separately used in two-dimensional simulation calculations for air bubbling in water by single hole. The simulation results are compared with experiment photos by high-speed camera, it’s obtained that gravity should be considered in using VOF model; at lower air speed, VOF model is more accurate to simulate the bubble formation, separation, upward motion and coalescence; the simulation results of Eulerian model have an obviously difference with the experimental ones at lower air speed, but it’s suitable to simulate bubbling process for air at higher speed.
Keywordsbubbling VOF Eulerian numerical simulation single hole
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