Applications of lattice Boltzmann method combined with smoothed profile method for particulate flows: a brief review

Lee, Young Ki

doi:10.1007/s13367-023-00077-8

Korea-Aust. Rheol. J.

2023

DOI: 10.1007/s13367-023-00077-8

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Applications of lattice Boltzmann method combined with smoothed profile method for particulate flows: a brief review

Young Ki Lee

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2024

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Cited by 4 publications

References 107 publications

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Microfluidic Shape Analysis of Non‐spherical Graphite for Li‐Ion Batteries via Viscoelastic Particle Focusing

Park,

Hong,

Jin

et al. 2024

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The size and shape of graphite, which is a popular active anode material for lithium‐ion batteries (LIBs), significantly affect the electrochemical performance of LIBs and the rheological properties of the electrode slurries used in battery manufacturing. However, the accurate characterization of its size and shape remains challenging. In this study, the edge plane of graphite in a cross‐slot microchannel via viscoelastic particle focusing is characterized. It is reported that the graphite particles are aligned in a direction that shows the edge plane by a planar extensional flow field at the stagnation point of the cross‐slot region. Accurate quantification of the edge size and shape for both spheroidized natural and ball‐milled graphite is achieved when aligned in this manner. Ball‐milled graphite has a smaller circularity and higher aspect ratio than natural graphite, indicating a more plate‐like shape. The effects of these differences in graphite shape and size on the rheological properties of the electrode slurry, the structure of the coated electrodes, and electrochemical performance are investigated. This method can contribute to the quality control of graphite for the mass production of LIBs and enhance the electrochemical performance of LIBs.

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Microfluidic Shape Analysis of Non‐spherical Graphite for Li‐Ion Batteries via Viscoelastic Particle Focusing

Park,

Hong,

Jin

et al. 2024

Small

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Solubility parameter-based analysis of polyacrylonitrile solutions in N,N-dimethyl formamide and dimethyl sulfoxide

Eom

Kim

2014

Polymer

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Deformation and breakup of a droplet in media with density contrasts: A numerical study using the color-gradient lattice Boltzmann method

Jeong,

Lee

2024

Physics of Fluids

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We investigate the deformation and breakup behavior of a single droplet in shear and extensional flows, focusing on the effects of the density contrast between the droplet (dispersed phase) and the surrounding matrix fluid (continuous phase). Although many studies have explored the droplet dynamics in such flows, the influence of the density ratio is not yet fully understood. To address this gap, we employ the color-gradient lattice Boltzmann method and perform numerical analysis across a wide range of density ratios and capillary numbers in the Stokes flow regime. We quantify the droplet deformation, elucidate the effects of the density ratio, and carefully analyze the breakup modes, including tip streaming breakup. We confirm that the tip streaming breakup occurs only when the density contrast is large, with values ranging from approximately 1:100 to 1:300 within the test limits. Finally, the flow fields within the droplet are analyzed to elucidate the hydrodynamic origins of these distinct breakup modes.

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Applications of lattice Boltzmann method combined with smoothed profile method for particulate flows: a brief review

Cited by 4 publications

References 107 publications

Microfluidic Shape Analysis of Non‐spherical Graphite for Li‐Ion Batteries via Viscoelastic Particle Focusing

Microfluidic Shape Analysis of Non‐spherical Graphite for Li‐Ion Batteries via Viscoelastic Particle Focusing

Solubility parameter-based analysis of polyacrylonitrile solutions in N,N-dimethyl formamide and dimethyl sulfoxide

Deformation and breakup of a droplet in media with density contrasts: A numerical study using the color-gradient lattice Boltzmann method

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