河流穿越高压输气管道临界悬空长度的数值模拟研究

姚安林, 徐涛龙, 郑 健, 曾祥国, 陈华燕

姚安林, 徐涛龙, 郑 健, 曾祥国, 陈华燕. 河流穿越高压输气管道临界悬空长度的数值模拟研究[J]. 工程力学, 2013, 30(3): 152-158. DOI: 10.6052/j.issn.1000-4750.2011.09.0624
引用本文: 姚安林, 徐涛龙, 郑 健, 曾祥国, 陈华燕. 河流穿越高压输气管道临界悬空长度的数值模拟研究[J]. 工程力学, 2013, 30(3): 152-158. DOI: 10.6052/j.issn.1000-4750.2011.09.0624
shu
YAO An-lin, XU Tao-long, ZHENG Jian, ZENG Xiang-guo, CHEN Hua-yan. STUDY ON NUMERICAL SIMULATION OF CRITICAL SUSPENDED LENGTH OF HIGH-PRESSURE GAS PIPELINE CROSSING RIVERBED[J]. Engineering Mechanics, 2013, 30(3): 152-158. DOI: 10.6052/j.issn.1000-4750.2011.09.0624
Citation: YAO An-lin, XU Tao-long, ZHENG Jian, ZENG Xiang-guo, CHEN Hua-yan. STUDY ON NUMERICAL SIMULATION OF CRITICAL SUSPENDED LENGTH OF HIGH-PRESSURE GAS PIPELINE CROSSING RIVERBED[J]. Engineering Mechanics, 2013, 30(3): 152-158. DOI: 10.6052/j.issn.1000-4750.2011.09.0624
shu

河流穿越高压输气管道临界悬空长度的数值模拟研究

  • (1. 西南石油大学石油工程学院，成都 610500；2. 四川大学建筑与环境学院，成都 610065)

基金项目: 中国石油西气东输管道公司项目(XQSGL01380)；国家科技支撑计划项目(2011BAK06B01)
详细信息
    通讯作者:

    徐涛龙

  • 中图分类号: TE88

STUDY ON NUMERICAL SIMULATION OF CRITICAL SUSPENDED LENGTH OF HIGH-PRESSURE GAS PIPELINE CROSSING RIVERBED

  • "(1. College of Petroleum Engineering, Southwest Petroleum University, Chengdu 610500, China; 2. College of Architecture and Environment, Sichuan University, Chengdu 610065, China) "

摘要

    摘要
  • 摘要: 高压输气管道穿越河流时的力学行为受诸多因素影响，河床边界条件的变化是重要影响因素之一。该文基于流体动力学和固体力学理论，利用有限元软件FLUENT和ANSYS对高速水流冲击下的悬空管道进行了模拟分析。在总结出河床变化时悬空管道最大应力、位移变化规律的基础上，得到不同水流速度作用下高压输气管道的临界悬空长度。并对“西气东输”一线和“川气东送”等管线工程进行实例分析，所得计算结果对高压输气管道的日常维护和制定抗洪抢险方案具有一定的参考价值。
    Abstract: The mechanical behavior of a high-pressure gas pipeline crossing a river bed was affected by many factors, and the change of the boundary conditions in the river bed was one of the important factors. Based on the theory of fluid dynamics and solid mechanics, the suspended gas pipeline impacted by high-speed flow was simulated by using finite element software FLUENT and ANSYS. When a river bed was varying, on the basis of summaring the variation law of the maximum stress and displacement of the suspended pipeline, we attained the critical suspended length of a high pressure gas pipeline under different flowing velocities. And the case study on the first trunk in a West-East gas pipeline project and the Sichua to Eastern China gas transmission pipeline are carried out, which would have some reference value to the routine maintaince of high pressure gas pipelines and the development of a flood resistance program.
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出版历程
  • 收稿日期:  2011-09-20
  • 修回日期:  2011-11-21
  • 刊出日期:  2013-03-24

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