The Numerical Calculation of Pipeline Heat Transfer  during the Periods of Shut Down and Excavation

doi:10.3696/j.issn.1672-6952.2015.03.006

Journal of Liaoning Petrochemical University ›› 2015, Vol. 35 ›› Issue (3): 23-26.DOI: 10.3696/j.issn.1672-6952.2015.03.006

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The Numerical Calculation of Pipeline Heat Transfer  during the Periods of Shut Down and Excavation

Wang Yun， Ma Guiyang， Zhao Liang， Xu Zijian， Gao Ziqiao

（College of Petroleum Engineering，Liaoning Shihua University，Fushun Liaoning 113001，China）

Published:2015-06-25 Online:2015-06-18

管道停输开挖过程传热数值计算

王云,马贵阳,赵梁,徐子健,高姿乔

( 辽宁石油化工大学石油天然气工程学院, 辽宁抚顺1 3 1 0 0 1)

通讯作者: 马贵阳( 1 9 6 5 ? ) , 男, 博士, 教授, 从事计算流体力学、埋地管道水力和热力问题、管道停输再启动等方面的研究; E - m a i l : g u i y a n g m a 1@1 6 3. c o m。
作者简介:王云( 1 9 8 9 - ) , 女, 硕士研究生, 从事热油管道传输安全问题的研究; E - m a i l : 5 3 2 1 4 8 4 4 8@q q. c o m。
基金资助:
辽宁省自然科学基金资助项目( 2 0 1 1 0 2 1 1 8) 。

Abstract

Abstract: When buried pipeline was running, there were many factors could cause shutdown phenomenon. This could cause serious economic losses. Oil temperature and soil temperature were the important parameters for pipeline shutdown security. So it was significant to study oil temperature field and soil temperature field for the safe operation of buried pipeline. It was simulated that the excavation area temperature during the shutdown of the pipeline. And the simulation was threedimensional. Calculation areas contained three parts: soil area, pipeline internal area and the excavation area. These temperature fields were changed after excavation. And the changes of these three areas were simulated. The safety shutdown time was obtained by pipeline internal oil temperature changes. The oil temperature was declined after excavation. The influence of excavation area was obtained by observing the oil temperature. The temperature decline reflected the influence range. The results provided a reference for the safety production.

Key words: Shut down, Oil, Pipeline excavation, 3D temperature field, Numerical calculation

摘要： 埋地管道在运行过程中有时会因意外情况而需要停输。在停输过程中, 管内油品的温度和土壤温度
场的变化很大, 会影响管道的安全输送, 因此研究停输过程中管内油品的温度和土壤温度场对埋地管道的安全运行
有重要的意义。模拟了埋地管道停输时土壤开挖过程中的土壤区、管内油温以及开挖区等三个区域的温度场变化
情况, 并模拟了开挖区域温度的变化对土壤温度场、管内油温的影响, 得出了管内油温和土壤温度场的变化规律, 研
究结果可为管道的安全生产提供一定的科学依据。

关键词: 停输, 原油, 管道开挖, 三维温度场, 数值计算

Wang Yun， Ma Guiyang， Zhao Liang， Xu Zijian， Gao Ziqiao. The Numerical Calculation of Pipeline Heat Transfer  during the Periods of Shut Down and Excavation[J]. Journal of Liaoning Petrochemical University, 2015, 35(3): 23-26.

王云,马贵阳,赵梁,徐子健,高姿乔. 管道停输开挖过程传热数值计算[J]. 辽宁石油化工大学学报, 2015, 35(3): 23-26.

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The Numerical Calculation of Pipeline Heat Transfer  during the Periods of Shut Down and Excavation

管道停输开挖过程传热数值计算

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