Chaotic attractor morphological characteristics of oil-water two-phase flow pattern

ZONG Yanbo; JIN Ningde; MA Wenheng; ZHANG Wei; LV Jian

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Chaotic attractor morphological characteristics of oil-water two-phase flow pattern

更新时间：2025-12-10

- Chaotic attractor morphological characteristics of oil-water two-phase flow pattern
- CIESC Journal Issue 4, Pages: 851-858(2008)
- 作者机构：
  
  1. 天津大学电气与自动化工程学院,天津,300072
  2. 华北油田采油工艺研究院，河北任丘,062552
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 April 2008，
  
  Published：05 April 2008
- 稿件说明：
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ZONG Yanbo, JIN Ningde, MA Wenheng, et al. Chaotic attractor morphological characteristics of oil-water two-phase flow pattern[J]. CIESC Journal, 2008, (4): 851-858.
DOI：

ZONG Yanbo, JIN Ningde, MA Wenheng, et al. Chaotic attractor morphological characteristics of oil-water two-phase flow pattern[J]. CIESC Journal, 2008, (4): 851-858. DOI：

摘要

基于在垂直上升管中采集到的61组油水两相流电导波动信号，通过在混沌吸引子域中放置参考截面方法，考察了混沌吸引子形态特征量与油水两相流流型转变之间的关系，发现水包油流型在3阶及4阶吸引子矩特征量平面上分布相对稳定，而过渡流型在3阶吸引子矩特征量平面上呈不规则剧烈变化，在4阶吸引子矩特征量平面上呈线性变化。研究结果表明，油水两相流混沌吸引子形态特征量对流型转化敏感，有助于理解油水两相流流型转化的非线性动力学机制。

Abstract

Based on 61 groups of conductance fluctuating signals in vertical upward oil-water two-phase flow，the relationship between chaotic attractor morphological characteristics and oil-water two-phase flow pattern transition was investigated by placing reference sections in the chaotic attractor field.The oil-in-water flow pattern was steadily distributed in the third-order and fourth-order attractor moment planes，while transitional flow pattern changed irregularly sharply in the third-order attractor moment plane，but changed linearly in the fourth-order attractor moment plane.The study showed that the chaotic attractor morphological of oil-water two-phase flow was sensitive to flow pattern transition，and it was helpful to understanding the nonlinear dynamic mechanism of oil-water flow pattern transition.

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