Study on the Dynamics of the Bubble under the Combined Action of the Bjerknes Effect of the Free Surface and the Buoyancy

Ke Yi Li; Zhong Cai Pei

doi:10.4028/www.scientific.net/AMM.644-650.628

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Study on the Dynamics of the Bubble under the...

Study on the Dynamics of the Bubble under the Combined Action of the Bjerknes Effect of the Free Surface and the Buoyancy

Abstract:

When the bubble moves in the vicinity of a free surface, the movement will be affected by the buoyancy and the Bjerknes effect. Blake and Gibson proposed the criterion which determined the motion direction of the jet and the dynamics of bubble. They proposed the jet wouldn’t be formed in the condition that . Based on the potential flow theory, boundary element method (BEM) is used to calculate three typical examples in this paper in order to study the dynamics of the bubble under the combined action of the Bjerknes effect of the free surface and the buoyancy. It is found out during the analysis that the Blake criterion is applicable to predict the conditions that and .

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Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

628-631

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.628

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Online since:

September 2014

Authors:

Ke Yi Li*, Zhong Cai Pei

Keywords:

Bjerknes Effect of the Free Surface, Blake Criterion, Boundary Element Method (BEM), Bubble, Buoyancy

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