Abstract
In case that result of a large-scale two-phase flow simulation were visualized, especially, under the condition that a lot of bubbles and liquid films with various scale sizes become entangled intricately, it is not easy to distinguish the bubbles and liquid films distributed in three dimensions using the conventional visualization software. Then, a new visualization method which can reproduce faithfully with high accuracy the physical phenomenon predicted by the simulations is required. This paper shows the large-scale bubbly flow simulation results and describes the visualization results using the ray-tracing method that reflection and penetration of the light on the interface between the liquid and gas are considered. Regarding the mechanism of bubble coalescence and fragmentation the useful knowledge was obtained.
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