Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle

Hongxin Zhang; Lusheng Zhai; Ruoyu Liu; Cong Yan; Ningde Jin

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Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle
- Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle
- 中国化学工程学报（英文版） 2020年28卷第3期页码：698-711
- Affiliations：
  
  School of Electrical and Information Engineering, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2020
- Accepted：
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Hongxin Zhang, Lusheng Zhai, Ruoyu Liu, 等. Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle[J]. 中国化学工程学报（英文版）, 2020,28(3):698-711.

Hongxin Zhang, Lusheng Zhai, Ruoyu Liu, Cong Yan, Ningde Jin. Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 698-711.
Hongxin Zhang, Lusheng Zhai, Ruoyu Liu, 等. Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle[J]. 中国化学工程学报（英文版）, 2020,28(3):698-711. DOI：

Hongxin Zhang, Lusheng Zhai, Ruoyu Liu, Cong Yan, Ningde Jin. Prediction of curved oil-water interface in horizontal pipes using modified model with dynamic contact angle[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 698-711. DOI：

摘要

Abstract

In this study

interface shapes of horizontal oil-water two-phase flow are predicted by using Young-Laplace equation model and minimum energy model. Meanwhile

the interface shapes of horizontal oil-water twophase flow in a 20 mm inner diameter pipe are measured by a novel conductance parallel-wire array probe (CPAP). It is found that

for flow conditions with low water holdup

there is a large deviation between the model-predicted interface shape and the experimentally measured one. Since the variation of pipe wetting characteristics in the process of fluid flow can lead to the changes of the contact angle between the fluid and the pipe wall

the models mentioned above are modified by considering dynamic contact angle. The results indicate that the interface shapes predicted by the modified models present a good consistence with the ones measured by CPAP.

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