在实验建立的正规模式网络上,两相流动模式过渡行为
Meng Du1, Zhenqian Zhang1, Yang Cao1
1College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China.
Chaos (Woodbury, N.Y.)
|May 16, 2025
概括
本研究分析了使用复杂网络拓学的气液两相流动模式. 网络衰减率和持久性揭示了流动模式的转换,提供了一种新的分析方法.
科学领域:
- 流体动力学 流体动力学
- 复杂系统分析 复杂系统分析
- 网络科学 网络科学
背景情况:
- 建模双相流动模式转换是至关重要的,但具有挑战性.
- 现有的方法可能无法完全捕捉流动模式变化的复杂动态.
研究的目的:
- 为了研究气体-液体两相流动模式过渡动态.
- 分析复杂网络的拓结构,代表流动模式.
- 识别用于检测流动模式转换的新型指标.
主要方法:
- 在垂直管道中进行气液两相流体实验.
- 从流动波动信号建立顺序模式复杂网络.
- 应用K核分解和网络同质性持久性分析.
主要成果:
- K-核心大小的衰变速率对流量条件敏感,并表明过渡.
- 网络同质性持久性 (最大持久性,持久性) 反映了振荡行为.
- 已建立的复杂网络有效地代表了不同的流动模式.
结论:
- K-核心分解衰变速率是流动模式过渡识别的潜在指标.
- 网络持久性分析有助于理解在过渡期间的振荡行为.
- 这种基于网络的方法为分析双相流系统提供了一种新的方法.
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