BUBBLE CLOUD DYNAMICS SIMULATION

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MASSAH H.R.; IZADI R.; DAWANI F.A.

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Journal: FLUID MECHANICS AND AERODYNAMICS JOURNAL Year:2013 | Volume:2 | Issue:2 Page(s): 53-63

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Information Journal Paper

Title

BUBBLE CLOUD DYNAMICS SIMULATION

Author(s)

MASSAH H.R. | IZADI R. | DAWANI F.A. | Issue Writer Certificate

Keywords

HOMOGENEOUS BUBBLE CLOUDQ2

RAYLEIGH-PLESSET-FLYNN EQUATIONQ2

COMPRESSIBILITYQ2

COLLAPSEQ2

GAS PERCENT IN LIQUIDQ2

Abstract

Study of presence of bubble cloud in liquids has been of interest to researchers because of its positive or negative effects in many industrial processes. This paper aims to understand the behavior of a homogeneous mixture of bubbles and liquid. Due to usual simplifications, the equations governing bubble cloud behavior do not offer a complete analysis of this phenomenon. In this research, the works of the other scientists are reviewed especially the studies carried out by Wang and Brennen. In this study, first, the code devised according to numerical algorithm of this research is validated by results of Wang and Brennen. Then, by taking into account the COMPRESSIBILITY property at the bubbles boundary for homogeneous mixture of bubbles in liquid, the governing equations are derived. Next, these equations under different applied sound pressure levels to the cloud, and a variety of gas percentage in liquid are numerically solved by the devised code. The severe reduction in maximum growth of bubbles with COMPRESSIBILITY considerations, and the occurrence of COLLAPSEs under some conditions are of the obtained results. Also, when bubble presence ratio is low the behavior of bubble cloud does not relate to COMPRESSIBILITY. Some other outcomes of this research are manners of bubbles COLLAPSE in outer and inner layers of bubble cloud, serious COMPRESSIBILITY effects on intensity and time of COLLAPSEs, and maximum bubbles growth.

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APA: Copy

MASSAH, H.R., IZADI, R., & DAWANI, F.A.. (2013). BUBBLE CLOUD DYNAMICS SIMULATION. FLUID MECHANICS AND AERODYNAMICS JOURNAL, 2(2), 53-63. SID. https://sid.ir/paper/245566/en

Vancouver: Copy

MASSAH H.R., IZADI R., DAWANI F.A.. BUBBLE CLOUD DYNAMICS SIMULATION. FLUID MECHANICS AND AERODYNAMICS JOURNAL[Internet]. 2013;2(2):53-63. Available from: https://sid.ir/paper/245566/en

IEEE: Copy

H.R. MASSAH, R. IZADI, and F.A. DAWANI, “BUBBLE CLOUD DYNAMICS SIMULATION,” FLUID MECHANICS AND AERODYNAMICS JOURNAL, vol. 2, no. 2, pp. 53–63, 2013, [Online]. Available: https://sid.ir/paper/245566/en

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