Abstract
Direct numerical method, including a second-order variable density projection method for solution of incompressible Navier-Stokes equations and VOF (volume of fluid) method for capturing of interface, was used to study the deformation mechanism of a rising bubble driven by buoyancy and the standing vortex formation mechanism at the rear of a deformed bubble. The equilibrium velocity of a steady rising bubble was obtained. Also the relationship between the inner circulation and standing vortex was discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 76-80 |
| Number of pages | 5 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 30 |
| Issue number | 1 |
| State | Published - Jan 2009 |
| Externally published | Yes |
Keywords
- Bubble deformation
- Standing vortex
- VOF (Volume of Fluid) method
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