段塞流诱导柔性立管振动响应实验分析

doi:10.11885/j.issn.1674-5086.2020.10.16.02

西南石油大学学报(自然科学版) ›› 2021, Vol. 43 ›› Issue (6): 1-11.DOI: 10.11885/j.issn.1674-5086.2020.10.16.02

段塞流诱导柔性立管振动响应实验分析

朱红钧^1,2, 高岳¹, 赵宏磊¹, 胡洁¹, 刘文丽¹

1. 西南石油大学石油与天然气工程学院, 四川成都 610500;
2. 海岸和近海工程国家重点实验室·大连理工大学, 辽宁大连 116024

收稿日期:2020-10-16 发布日期:2022-01-08
通讯作者: 朱红钧,E-mail:ticky863@126.com
作者简介:朱红钧,1983年生,男,汉族,江苏靖江人,教授,博士,主要从事海洋工程流动安全与控制、CFD、流致振动、流固耦合、多相流、海洋能源开发与利用的研究工作。E-mail:ticky863@126.com/zhuhj@swpu.edu.cn;高岳,1991年生,女,汉族,山东泰安人,博士研究生,主要从事海洋柔性立管流致振动方面研究。E-mail:gaoyue0522@126.com;赵宏磊,1994年生,男,汉族,河北石家庄人,博士研究生,主要从事海洋油气工程方面的研究工作。E-mail:201811000091@stu.swpu.edu.cn;胡洁,1995年生,女,汉族,四川成都人,博士研究生,主要从事柔性立管流致振动方面的研究工作。E-mail:345944412@qq.com;刘文丽,1994年生,女,汉族,重庆永川人,硕士研究生,主要从事海洋管柱流致振动方面的研究工作。E-mail:1941645561@qq.com
基金资助:
国家自然科学基金面上项目（51979238）；大连理工大学海岸和近海工程国家重点实验室开放基金（LP1930）

An Experimental Investigation on the Slug Flow-induced Vibration of Flexible Riser

ZHU Hongjun^1,2, GAO Yue¹, ZHAO Honglei¹, HU Jie¹, LIU Wenli¹

1. Petroleum Engineering School, South West Petroleum University, Chengdu, Sichuan 610500, China;
2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China

Received:2020-10-16 Published:2022-01-08

摘要/Abstract

摘要： 在气液两相循环实验系统中开展了水动力段塞流诱导的悬链线型柔性立管振动响应测试，利用高速摄像非介入测试方法同步捕捉了柔性立管的振动位移与管内的段塞流动细节，预测了气体表观流速对水动力段塞流诱导柔性立管振动响应的影响规律，分析了振幅响应、模态权重、频谱变化以及管内流动特性。结果表明，随着气体表观流速的增大，振动幅度逐渐增大，模态交互作用逐渐增强，尽管高阶振动模态权重不断增大，但一阶模态在立管振动响应中始终占据主导；对于较小的气体表观流速，振动响应主要归因于短段塞的不稳定流动，对于较大的气体表观流速，振动响应主要取决于长段塞的流动频率；气体表观流速增大使管内流动速度、段塞长度逐渐增大，而持液率逐渐减小。

关键词: 柔性立管, 水动力段塞流, 流致振动, 高速摄像, 气体表观流速

Abstract: Experiments on hydrodynamic slug flow-induced vibration of flexible riser at different gas superficial velocities were carried out in the air-water test loop using the non-intrusive measurement with high-speed cameras. The vibration displacements were synchronously captured with the internal flow regimes. The dynamic characteristics of flexible riser are analyzed in terms of the amplitude response, modal weight, frequency variation as well as the slug flow characteristics. The results indicate that the amplitude is amplified, and the modal interaction is enhanced with increasing the gas superficial velocity. The fundamental mode dominates the vibration response despite the growth in the modal weight of higher ones. The flow instability of short slugs mainly contributes to the response when the gas superficial velocity is relatively small. In contrast, the response is closely related to the occurrence frequency of long slugs at larger gas superficial velocities. Additionally, both the slug length and migration velocity are enlarged with increasing the gas superficial velocity, while the liquid holdup is reduced.

Key words: flexible riser, hydrodynamic slug flow, flow-induced vibration, high-speed camera, gas superficial velocity

中图分类号:

TE832

朱红钧, 高岳, 赵宏磊, 胡洁, 刘文丽. 段塞流诱导柔性立管振动响应实验分析[J]. 西南石油大学学报(自然科学版), 2021, 43(6): 1-11.

ZHU Hongjun, GAO Yue, ZHAO Honglei, HU Jie, LIU Wenli. An Experimental Investigation on the Slug Flow-induced Vibration of Flexible Riser[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(6): 1-11.

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段塞流诱导柔性立管振动响应实验分析

An Experimental Investigation on the Slug Flow-induced Vibration of Flexible Riser

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