Abstract
In this paper, the dynamics of a gas bubble rising in a quiescent fluid column is presented. Numerical simulation has been performed and the interface between the two phases is tracked with Volume of Fluid (VOF) method with Continuous Surface Force (CSF) model. Newtonian flows are solved using finite volume scheme based on the Pressure Implicit with Splitting of Operators (PISO) algorithm. The interFoam solver of OpenFOAM, an open source computational dynamics software, is used to simulate the rising bubble phenomenon. The numerical method uses an additional surface compression term in the phase fraction equation which improves the interface capturing algorithm by reducing the smearing of the interface. The results of a benchmark paper are validated and presented in this work.
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