摘要
颗粒侵蚀是管道流动保障研究中的一个主要问题,是导致管壁变薄、管道破裂的重要原因,直接关乎油藏能否安全地输送到采油终端。阐述了影响管道颗粒侵蚀的诸多因素,指出API规范中存在的不足,对现有的颗粒侵蚀模型进行了综合评价,提出了一种解决颗粒侵蚀问题的数值方法。通过计算相关文献中实验工况的颗粒侵蚀结果,比较分析了经验模型和CFX软件在分析管道颗粒侵蚀问题中的优缺点和适用性。分析结果认为,Tulsa模型具有较高的计算精度与较广的适用范围,CFX软件可以比较准确地计算气雾流管道内的颗粒侵蚀结果。
Solid particle erosion is a main aspect in flow assurance analysis of pipelines,which will result in thinning and cracking of the pipes and hence directly influences the effectivity and safety of the hydrocarbon fluids transporting to the terminals.Based on discussing the influential factors of solid particle erosion and the deficiencies of the analytical formula recommended by API,a comprehensive evaluation of the present models for solid particle erosion analysis is performed.Furthermore,a new numerical method is proposed to solve the solid particle erosion in pipelines with CFX.By employing available experimental results,different prediction results from the empirical models and the CFX software are compared.It demonstrates that the Tulsa model shows more advantages in accuracy and applicability and CFX leads to plausible results when applied to spray pipelines.
出处
《海洋工程》
CSCD
北大核心
2012年第4期10-20,共11页
The Ocean Engineering
关键词
输油管道
流动保障
颗粒侵蚀
经验模型
数值方法
pipelines
flow assurance
solid particle erosion
empirical models
numerical method
