Optimizing slug bubble size for application of the ultra-thin flat sheet membranes in MBR: a comprehensive study combining CFD simulation and experiment

Wu, Xinyue; Yang, Lian; Chang, Jiang; Dong, Shuoxun; Xiao, Feng

doi:10.1007/s11356-024-32195-3

Environ Sci Pollut Res

2024

DOI: 10.1007/s11356-024-32195-3

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Optimizing slug bubble size for application of the ultra-thin flat sheet membranes in MBR: a comprehensive study combining CFD simulation and experiment

Xinyue Wu,

Lian Yang,

Jiang Chang

et al.

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Cited by 2 publications

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Optimization of MBRs through integrated modelling: A state of the art

Mannina,

Alliet,

Brepols

et al. 2024

Journal of Environmental Management

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Optimization of MBRs through integrated modelling: A state of the art

Mannina,

Alliet,

Brepols

et al. 2024

Journal of Environmental Management

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Investigations of the Formation Mechanism and Pressure Pulsation Characteristics of Pipeline Gas-Liquid Slug Flows

Zheng,

Xu,

et al. 2024

JMSE

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The pipeline system is widely used in marine engineering, and the formation mechanism and flow patterns of two-phase slug flows are of great significance for the optimal design of and vibration prevention in a complex pipeline system. Aiming at the above problems, this paper proposes a modeling and solving method for gas-liquid slug flows. First, a VOF-PLIC-based coupling gas-liquid slug flow transport model is conducted. Second, to reduce the fuzzy boundary between the gas-liquid coupling interfaces, an artificial compression term is added to the transport equations, and the formation and evolution mechanism of severe slugging flow in piping systems is investigated. The pressure pulsation and gas content characteristics of the gas-liquid coupling process are explored. Research results found that the slugging phenomenon occurs at the gas-liquid interface, where liquid slugging frequency reaches its peak. The pipeline system has prominent periodic characteristics of the slugging phenomenon, and the period decreases when the gas-phase converted speed rises; pressure fluctuation amplitude increases, and the gas-phase velocity change is the inducing factor for the drastic change of pressure fluctuation. The research results can offer theoretical references for optimal designs of and vibration prevention in marine pipeline systems.

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Optimizing slug bubble size for application of the ultra-thin flat sheet membranes in MBR: a comprehensive study combining CFD simulation and experiment

Cited by 2 publications

References 35 publications

Optimization of MBRs through integrated modelling: A state of the art

Optimization of MBRs through integrated modelling: A state of the art

Investigations of the Formation Mechanism and Pressure Pulsation Characteristics of Pipeline Gas-Liquid Slug Flows

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