A Numerical Study On The Dynamics Of Bubble Growth And Detachment From An Orifice

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Title: A Numerical Study On The Dynamics Of Bubble Growth And Detachment From An Orifice
Author: Takkallapally, Sheshi Kumar
Abstract: The study of bubble formation from an orifice finds numerous industrial applications which include bubble acoustics in ocean physics and chemical reactors . Numerical simulations have been performed to investigate the dynamics of bubble formation , growth and detachment from an orifice . The full transient Navier - Stokes equation is solved in a two -dimensional axi -symmetrical coordinate system . The surface tension implementation algorithm known as the Pressure Boundary Method (PBM ) is used to model the surface tension . The robustness of PBM method on Two -Phase flows with different conditions has been shown . The results achieved by numerical simulations have been compared with the available experimental data for accuracy . Parametric studies have been done on the flow rates and inlet velocity profiles . The effect of fluid properties like density , surface tension , viscosity and gravity on bubble formation and growth has been studied . The conditions required for the formation of double -periodic bubbles have been emphasized . The theoretical approach to the phenomenon of bubble formation process has been given . The results obtained in the present study are in good agreement with the experimental results provided in literature .
URI: http : / /hdl .handle .net /10106 /2086
Date: 2010-03-03

Citation

A Numerical Study On The Dynamics Of Bubble Growth And Detachment From An Orifice. Available electronically from http : / /hdl .handle .net /10106 /2086 .

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