NUMERICAL INVESTIGATION OF BUBBLE DYNAMICS IN ROTATING FLOW USING LBM

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Maneshian Behanz; Javadi Khodayar; Taeibi Rahni Mohammad

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: CONFERENCE ON FLUID DYNAMICS
Year:2015 | Issue:16

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Title

NUMERICAL INVESTIGATION OF BUBBLE DYNAMICS IN ROTATING FLOW USING LBM

Author(s)

Maneshian Behanz | Javadi Khodayar | Taeibi Rahni Mohammad

Keywords

TWO-PHASE FLOW

BUBBLE DYNAMICS

ROTATING FLOW

LATTICE BOLTZMANN METHOD

Abstract

IN THIS PAPER, BUBBLE DYNAMICS IN A ROTATING FLOW WAS STUDIED, APPLYING LATTICE BOLTZMANN METHOD. THE RESULTS WERE VALIDATED WITH THOSE REPORTED BY PREVIOUS RESEARCHERS. COMPARISON OF THE PRESENT STUDY BY PREVIOUS RESEARCH SHOWED GOOD CONSISTENCY. AFTERWARD, FLOW PHYSICS OF THE PROBLEM WAS STUDIED IN DETAIL. IN THIS REGARD, ROTATION, DEFORMATION, AND STRETCHING OF THE BUBBLE WERE DISCUSSED. THE RESULTS SHOWED THAT IN THE ROTATING FLOW THE BUBBLE MOVED TOWARD TO THE CENTER OF THE ROTATION AXIS. DURING THIS MOVEMENT, THE BUBBLE IS COMPRESSED, STRETCHED, DEFORMED AND FINALLY IT WENT TO A STEADY POSITION AT THE ROTATION AXIS. ALSO, BUBBLES WITH DIFFERENT DENSITY RATIOS, 2, 10 AND 50, WERE CONSIDERED AND THEIR PATHLINE WERE COMPARED. IN ANOTHER TEST CASE, BUBBLES PATHLINES WITH DIFFERENT RATIOS OF BUBBLES DIAMETERS TO CAVITY LENGTH, D/L=0.1, 0.13 AND 0.17 WERE STUDIED. THE RESULTS DEMONSTRATED THAT THE BALANCES BETWEEN THE FORCES EXERTED ON THE BUBBLE WOULD DETERMINE THE BUBBLE TRAJECTORY.

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APA: Copy

Maneshian, Behanz, Javadi, Khodayar, & Taeibi Rahni, Mohammad. (2015). NUMERICAL INVESTIGATION OF BUBBLE DYNAMICS IN ROTATING FLOW USING LBM. CONFERENCE ON FLUID DYNAMICS. SID. https://sid.ir/paper/925231/en

Vancouver: Copy

Maneshian Behanz, Javadi Khodayar, Taeibi Rahni Mohammad. NUMERICAL INVESTIGATION OF BUBBLE DYNAMICS IN ROTATING FLOW USING LBM. 2015. Available from: https://sid.ir/paper/925231/en

IEEE: Copy

Behanz Maneshian, Khodayar Javadi, and Mohammad Taeibi Rahni, “NUMERICAL INVESTIGATION OF BUBBLE DYNAMICS IN ROTATING FLOW USING LBM,” presented at the CONFERENCE ON FLUID DYNAMICS. 2015, [Online]. Available: https://sid.ir/paper/925231/en

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