Lattice Boltzmann Phase Field Simulations of Droplet Slicing

Zeying Lu, Fengjiao Liu* (Corresponding Author), Lijuan Zhang, Haikuan Yuan, Jie Lu* (Corresponding Author), Jos J Derksen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
4 Downloads (Pure)

Abstract

We have performed two and three-dimensional phase field simulations using the lattice-Boltzmann method of liquid drops rising through a continuous phase liquid under the influence of buoyancy. In their upward motion the drops encounter a knife that is placed with the purpose of slicing the drops in two. A range of scenarios has been observed when the drop hits the knife and it has been investigated how the type of scenario depends on the dimensionless parameters governing the motion and slicing of the drop: the Eötvös number, the Morton number and the ratio of the droplet size and the width of the knife. We studied
symmetric and asymmetric encounters between drop and knife and kept track of the size distribution of the resulting fragments.
Original languageEnglish
Pages (from-to)S327-S340
Number of pages14
JournalCanadian journal of chemical engineering
Volume100
Issue numberS1
Early online date28 Apr 2021
DOIs
Publication statusPublished - Apr 2022

Bibliographical note

This research was sponsored by Shanghai Sailing Program (No. 20YF1416000) and SUES Distinguished Overseas Professor Program.

Data Availability Statement

The peer review history for this article is available at https://publons.com/publon/10.1002/cjce.24113.

Keywords

  • droplet slicing
  • free energy model
  • lattice
  • lattice-Boltzmann method
  • rising droplet

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