Experiments and simulations of hollow cylinders falling through quiescent liquids

Menghua  Lu; Lijuan Zhang; Jiayi Li; Jie Lu; Fengjiao  Liu; Jacobus Derksen

doi:10.1002/ceat.202300285

Experiments and simulations of hollow cylinders falling through quiescent liquids

Menghua Lu, Lijuan Zhang^* (Corresponding Author), Jiayi Li, Jie Lu, Fengjiao Liu, Jacobus Derksen

^*Corresponding author for this work

Engineering

Shanghai University of Engineering Science

Research output: Contribution to journal › Article › peer-review

Abstract

Quantitative visualization experiments of hollow cylinders falling through a Newtonian liquid were performed. The Archimedes number was in the range 5 to 10⁵, the length/outer diameter ratio of the cylinders was in the range 2.5–10, and the inner/outer diameter ratio was 0–0.85. The definition of the Archimedes number includes the inner and outer cylinder diameters, and it is shown that cylinders with the same Archimedes number having different diameter ratios behave similarly. Particle-resolved simulations were used to enhance the insight into the fluid flow generated by the settling cylinder. They were also used to assess the flow through a hollow cylinder during settling.

Original language	English
Pages (from-to)	596-604
Number of pages	9
Journal	Chemical Engineering & Technology
Volume	47
Issue number	3
Early online date	11 Dec 2023
DOIs	https://doi.org/10.1002/ceat.202300285
Publication status	Published - 1 Mar 2024

Bibliographical note

Acknowledgment
This work was supported by the National Natural Science Foundation of China (grant numbers: 22078191, 21978165, 22081340412 and 92156020).

Data Availability Statement

Supporting Information: Supporting Information for this article can be found under DOI: https://doi.org/10.1002/ceat.202300285

Keywords

sedimentation
non-spherical particles
quantitative visualization
particle-resolved simulation

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Cite this

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abstract = "Quantitative visualization experiments of hollow cylinders falling through a Newtonian liquid were performed. The Archimedes number was in the range 5 to 105, the length/outer diameter ratio of the cylinders was in the range 2.5–10, and the inner/outer diameter ratio was 0–0.85. The definition of the Archimedes number includes the inner and outer cylinder diameters, and it is shown that cylinders with the same Archimedes number having different diameter ratios behave similarly. Particle-resolved simulations were used to enhance the insight into the fluid flow generated by the settling cylinder. They were also used to assess the flow through a hollow cylinder during settling.",

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AU - Derksen, Jacobus

N1 - Acknowledgment This work was supported by the National Natural Science Foundation of China (grant numbers: 22078191, 21978165, 22081340412 and 92156020).

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Experiments and simulations of hollow cylinders falling through quiescent liquids

Abstract

Bibliographical note

Data Availability Statement

Keywords

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