The effect of motion on bubble collapse

Abstract The effects of constant and radius-dependent translational bubble velocity on the collapse rate of a single bubble in a single and two-component system, either pure or containing non-condensables, are analysed and compared. A quasi steady-state in a potential or modified potential flow field is assumed. An attempt is then made to analyse the combined effects of bubble rise velocity and main stream cross flow in forced convection surface boiling in slightly subcooled water. The results are in excellent agreement with available experimental data for most of the condensation process. Ideas for farther improvements are explored, and a general framework for analyzing bubble collapse in a flow field has been suggested.

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