NUMERICAL STUDY OF THE UNIFORM MAGNETIC FIELD EFFECT ON THE INTERACTION OF BUBBLES IN A VISCOUS LIQUID COLUMN

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HADIDI AMIN; JALALI VAHID DAVOOD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:11 Page(s): 293-302

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Title

NUMERICAL STUDY OF THE UNIFORM MAGNETIC FIELD EFFECT ON THE INTERACTION OF BUBBLES IN A VISCOUS LIQUID COLUMN

Author(s)

HADIDI AMIN | JALALI VAHID DAVOOD | Issue Writer Certificate

Keywords

COALESCENCE OF BUBBLESQ2

BUBBLY FLOWQ2

LEVEL SET METHODQ1

VISCOUS LIQUID COLUMNQ2

PAIR OF BUBBLESQ2

Abstract

The encounter between bubble pairs can occur in the bubble fows and may result in coalescence, which is one of the most important elementary physical processes occurring in liquid columns. Sufficient knowledge of the coalescence process of two bubbles can lead to a better description of the BUBBLY FLOW’s behavior. Effects of uniform magnetic fields on the interactions and coalescence of dielectric bubbles have not been studied up to now; therefore in this research, interactions and coalescence of two bubbles in a viscous stagnant liquid has been simulated numerically. Considered bubbles are spherical and fluids are stagnant, initially. Both liquid and gas phases are considered incompressible and dielectric where applied magnetic field is uniform. In the numerical simulation of the problem, the Finite Volume method was applied using the SIMPLE algorithm to discretize the governing equations while the finite difference method was used for discretizing of the magnetic field equation. For simulating the interface of two phases, the LEVEL SET METHOD has been incorporated. The results outlined in the present study agree well with the existing experimental and numerical results. Obtained results show that applied uniform magnetic field affects shape, dynamics and also interactions and coalescence of bubble pairs. Applied magnetic field enhances coalescence between in-line rising bubbles. Therefore, the external uniform magnetic field could be used for contactless control of the coalescence process between bubbles.

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APA: Copy

HADIDI, AMIN, & JALALI VAHID, DAVOOD. (2016). NUMERICAL STUDY OF THE UNIFORM MAGNETIC FIELD EFFECT ON THE INTERACTION OF BUBBLES IN A VISCOUS LIQUID COLUMN. MODARES MECHANICAL ENGINEERING, 15(11), 293-302. SID. https://sid.ir/paper/177762/en

Vancouver: Copy

HADIDI AMIN, JALALI VAHID DAVOOD. NUMERICAL STUDY OF THE UNIFORM MAGNETIC FIELD EFFECT ON THE INTERACTION OF BUBBLES IN A VISCOUS LIQUID COLUMN. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(11):293-302. Available from: https://sid.ir/paper/177762/en

IEEE: Copy

AMIN HADIDI, and DAVOOD JALALI VAHID, “NUMERICAL STUDY OF THE UNIFORM MAGNETIC FIELD EFFECT ON THE INTERACTION OF BUBBLES IN A VISCOUS LIQUID COLUMN,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 11, pp. 293–302, 2016, [Online]. Available: https://sid.ir/paper/177762/en

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