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Study on the dynamics of the bubble under the combined action of the Bjerknes effect of the free surface and the buoyancy

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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 γ ×δ = 0.442. 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 γ =1.5 and γ = 2.5.

Original languageEnglish
Title of host publicationMachine Tool Technology, Mechatronics and Information Engineering
EditorsZhongmin Wang, Liangyu Guo, Jianming Tan, Dongfang Yang, Dongfang Yang, Kun Yang, Dongfang Yang, Dongfang Yang, Dongfang Yang
PublisherTrans Tech Publications Ltd
Pages628-631
Number of pages4
ISBN (Electronic)9783038352464
DOIs
StatePublished - 2014
EventInternational Conference on Machine Tool Technology and Mechatronics Engineering, ICMTTME 2014 - Guilin, China
Duration: 22 Jun 201423 Jun 2014

Publication series

NameApplied Mechanics and Materials
Volume644-650
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

ConferenceInternational Conference on Machine Tool Technology and Mechatronics Engineering, ICMTTME 2014
Country/TerritoryChina
CityGuilin
Period22/06/1423/06/14

Keywords

  • Bjerknes effect of the free surface
  • Blake criterion
  • Boundary element method (BEM)
  • Bubble
  • Buoyancy

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