Article ID Journal Published Year Pages File Type
666842 International Journal of Multiphase Flow 2011 4 Pages PDF
Abstract
► The hydrodynamic interaction of two bubbles rising in vertical line is analyzed. ► The leading bubble shielding effect decreases the drag on the trailing bubble. ► A proper velocity for the trailing bubble drag is obtained from physical grounds on boundary layer theory for a single bubble. ► An explicit semi-analytic expression for the drag force on the trailing bubble is presented.
Keywords
Related Topics
Physical Sciences and Engineering Chemical Engineering Fluid Flow and Transfer Processes
Preview
Drag force on interacting spherical bubbles rising in-line at large Reynolds number
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