Effects of uniform magnetic field on the interaction of side-by-side rising bubbles in a viscous liquid

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• 作者：Amin Hadidi ; Davood Jalali-Vahid
• 关键词：Uniform Magnetic Field ; Coalescence ; Bubble Pairs ; Two ; phase Flow ; Side ; by ; side Rising Bubbles
• 刊名：Korean Journal of Chemical Engineering
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：33
• 期：3
• 页码：795-805
• 全文大小：2,047 KB
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• 作者单位：Amin Hadidi (1)
  Davood Jalali-Vahid (1)
  
  1. Faculty of Mechanical Engineering, Sahand University of Technology, Tabriz, Iran
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Catalysis
  Materials Science
  Biotechnology
  
• 出版者：Springer New York
• ISSN：1975-7220

文摘

Effects of uniform magnetic fields on the interaction and coalescence of side-by-side rising bubbles of dielectric fluids were not studied; so in the present research, effects of different strengths of uniform magnetic field on the interaction of two bubbles rising side by side in a viscous and initially stagnant liquid are studied, numerically. For numerical modeling of the problem, a full computer code was developed to solve the governing equations which are continuity, Navier-Stokes, magnetic field and interface capturing equations which are level set and re-initialization equations. The finite volume method is used for the discretization of the hydrodynamic equations where the finite difference method is used to discretization of the magnetic field equations. The results are compared with available numerical and experimental results which show a good agreement. It is found that the uniform magnetic field can be used for contactless control of side-by-side coalescence of bubbles.