气液两相流下L型管道非线性动力学与抑振设计研究

贾程; 邢浩然; 王强; 杨宝山; 马越; 李民强; 刘胡杨; 王磊恒; 代胡亮

doi:10.21656/1000-0887.460098

气液两相流下L型管道非线性动力学与抑振设计研究

doi: 10.21656/1000-0887.460098

1. 华中科技大学航空航天学院，武汉 430074;
2. 中国石油化工股份有限公司胜利油田分公司海洋采油厂，山东东营 257000

基金项目:

国家自然科学基金（12272140；12322201）

详细信息

作者简介:
贾程（2002—），男，硕士生（Email: m202472047@hust.edu.cn）;代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

通讯作者:
代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

中图分类号: O359
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- 文章访问数: 25
- HTML全文浏览量: 9
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2025-05-16
- 修回日期: 2025-06-17
- 网络出版日期: 2026-04-01
- 刊出日期: 2026-03-01

Nonlinear Dynamics and Vibration Suppression of L-Shaped Pipes Conveying 2-Phase Flow

1. School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R.China;
2. Offshore Oil Production Plant of Shengli Oilfield Branch of China Petroleum & Chemical Corporation, Dongying, Shandong 257000, P.R.China

Funds:

The National Science Foundation of China(12272140；12322201)

摘要

摘要: 本文考虑均匀气泡流两相流动特性，采用绝对节点坐标描述法，基于Euler-Lagrange方程，建立了输送两相流体时L型悬臂管道的非线性动力学理论模型.首先，将基于理论模型计算得到的静变形结果与有限元法进行了对比验证，并分析了气体体积分数对管道静变形和稳定性的影响.然后，研究了在不同空泡份额下，管道随液体流速增大发生的非线性动力学行为，着重研究了空泡份额对管道动态分岔特性的影响.最后，提出了抑制管道振动的最优支承设计，使得L型管道振动位移和应变幅值达到最小.
- 两相流 /
- 空泡份额 /
- L型悬臂管道 /
- 最优支承位置
Abstract: Based on the Euler-Lagrange equations, the absolute nodal coordinate formulation (ANCF) was employed to establish a nonlinear dynamic model for cantilevered L-shaped pipes conveying 2-phase flow. The characteristics of uniformly bubbly 2-phase flow were considered. Firstly, the static deformation results from the theoretical model were compared and validated against the finite element method (FEM), and the effects of the gas volume fraction on pipe static deformation and stability were analyzed. Then, the nonlinear dynamic behaviors of the pipe were studied for different void fractions, with a focus on the effects of void fractions on bifurcation characteristics. Finally, an optimal support design is proposed to suppress pipe vibrations, and minimize both the displacement and strain amplitudes of the L-shaped pipe.
- 2-phase flow /
- void fraction /
- L-shaped cantilever pipe /
- optimal support position

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参考文献(18)

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气液两相流下L型管道非线性动力学与抑振设计研究

doi: 10.21656/1000-0887.460098

作者简介:
贾程（2002—），男，硕士生（Email: m202472047@hust.edu.cn）;代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

通讯作者:
代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

计量

Nonlinear Dynamics and Vibration Suppression of L-Shaped Pipes Conveying 2-Phase Flow

计量

目录

留言板

气液两相流下L型管道非线性动力学与抑振设计研究

doi: 10.21656/1000-0887.460098

作者简介: 贾程（2002—），男，硕士生（Email: m202472047@hust.edu.cn）;代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

通讯作者: 代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

计量

出版历程

Nonlinear Dynamics and Vibration Suppression of L-Shaped Pipes Conveying 2-Phase Flow

计量

出版历程

目录

作者简介:
贾程（2002—），男，硕士生（Email: m202472047@hust.edu.cn）;代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).

通讯作者:
代胡亮（1986—），男，教授，博士生导师(通信作者. E-mail: daihulianglx@hust.edu.cn).