A Numerical Study On The Motion of A Viscous Bubble Towards A Gas-Fluid Interface

Chen, Li; Reizes, John A.; Leonardi, Eddie

Heat and Mass Transfer Australasia

ISBN Druckformat: 978-1-56700-099-3

A Numerical Study On The Motion of A Viscous Bubble Towards A Gas-Fluid Interface

Li Chen The School of Mechanical and Manufacturing Engineering University of New South Wales Sydney 2052, Australia

John A. Reizes School of Mechanical and Manufacturing Engineering, UNSW-Sydney, Sydney 2052, Australia

Eddie Leonardi Computational Fluid Dynamics Research Laboratory, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052

Abstrakt

In this paper, we use a semi-implicit control volume technique and modified volume tracking algorithm to investigate mumerically the motion of a viscous bubble towards a air-fluid interface. The solution includes large deformation and the bursting of bubbles through an interface for 10 ≤ Re ≤ 50 and 5 ≤ Bo ≤ 50. The density and the viscosity ratios are 40. The effect on the viscosity and surface tension variations as well as the cylinder wall have been studied.

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