Equilibrium morphology of gas-liquid Janus droplets: A numerical analysis of buoyancy effect

Shaobin Zhang; Helen Yan; Yuhao Geng; Ke Wang; Jianhong Xu

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Equilibrium morphology of gas-liquid Janus droplets: A numerical analysis of buoyancy effect

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Equilibrium morphology of gas-liquid Janus droplets: A numerical analysis of buoyancy effect
- Chinese Journal of Chemical Engineering Vol. 26, Issue 10, Pages: 2121-2126(2018)
- Affiliations：
  
  1. 2 College of Chemistry, University of California, Berkeley,CA,USA,94728
  2. 3 State Key Laboratory of Industrial Vent Gas Reuse, The Southwest Research & Design Institute of the Chemical Industry,Chengdu,China,610225
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2018
- Accepted：
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Shaobin Zhang, Helen Yan, Yuhao Geng, Ke Wang, Jianhong Xu. Equilibrium morphology of gas-liquid Janus droplets: A numerical analysis of buoyancy effect[J]. Chin.J.Chem.Eng., 2018, 26(10): 2121-2126.
DOI：

Shaobin Zhang, Helen Yan, Yuhao Geng, Ke Wang, Jianhong Xu. Equilibrium morphology of gas-liquid Janus droplets: A numerical analysis of buoyancy effect[J]. Chin.J.Chem.Eng., 2018, 26(10): 2121-2126. DOI：

摘要

Abstract

In this article

a theoretical model for predicting the equilibrium morphology of gas-liquid Janus droplets was built. Based on this model

the effects of bubble radius and volume ratio on morphology change was systematically studied. The increase of bubble radius causes the two parts (bubble and oil drop) in Janus droplets tend to merge while the impact of volume ratio is complicated. When volume ratio increases

these two parts firstly tend to merge

then gradually separate. The accuracy of this model was verified by experimental results.

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