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Numerical Analysis of Microbubble Rising in an Oil–water Liquid Layer under Gravity Based on Three-phase Field Method

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Abstract

In this paper, we conduct two-dimensional simulations based on three-phase field method to analyze the bubble rising behaviors in an oil–water liquid layer. During the rising process, if the inertial force is higher than the combined effect of interfacial tension and viscous force, the bubble will deform and successfully pass through the oil–water interface, otherwise, it will be trapped by the fluidic interface. And the microbubble will carry some water fluid into the oil phase when it passes through the oil–water interface. The effects of various factors including bubble diameter, liquid density, interfacial tensions, fluid viscosity and non-Newtonian properties of fluids on single bubble rising, deformation and entrainment are systematically studied. What’s more, the rising behaviors of two closely distributed bubbles are further analyzed. These conclusions can help to understand the mechanism of bubble rising in an oil–water liquid layer under gravity and give useful guidelines for those applications concerning bubble rising such as the flow boiling for heat sink in space science.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

This work is financially supported by the Young Elite Scientists Sponsorship Program by Heilongjiang Province (2022QNTJ013), the Project funded by China Postdoctoral Science Foundation (2022M720685), the Project funded by Heilongjiang Postdoctoral Science Foundation (LBH-Z22001) and the Outstanding Doctoral Dissertation Program of Heilongjiang Province (LJYXL2022-027).

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Authors and Affiliations

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Contributions

Kailiang Zhang: Conceptualization, Methodology, Validation, Formal analysis, Funding acquisition. Weiyu Han: Methodology, Discussion. Zhijie Xie: Conceptualization, Review and Discussion. Jiuqing Liu: Review, Discussion. Jingliang Lv: Conceptualization, Methodology, Validation, Formal analysis.

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Correspondence to Jingliang Lv.

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Written informed consent for publication of this paper was obtained from the Northeast Forestry University.

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Highlights

• A two-dimensional simulation model based on three-phase field method is presented.

• Single bubble rising behaviors in an oil-water liquid layer are numerically analyzed.

• The influences of various factors on bubble rising, deformation and entrainment are systematically studied.

• Coalescence, rising and deformation of two closely distributed microbubbles are researched.

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Zhang, K., Wei, Y., Xie, Z. et al. Numerical Analysis of Microbubble Rising in an Oil–water Liquid Layer under Gravity Based on Three-phase Field Method. Microgravity Sci. Technol. 35, 21 (2023). https://doi.org/10.1007/s12217-023-10042-3

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  • DOI: https://doi.org/10.1007/s12217-023-10042-3

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