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干线输气管道的水力和热力稳态模拟计算 被引量:1

Numerical Simulation of Hydraulic and Thermodynamic Steady State of Trunk Natural Gas Pipeline
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摘要 输气管道的水力和热力计算是工艺设计和工况分析的关键。为提高输气工艺设计的速度及精度,基于流体力学基本方程建立了干线输气管道的水力和热力学微分方程组,采用四阶龙格-库塔法并结合VB编制程序对输气管线沿程的温度、压力和流速等参数进行了计算。计算结果与川气东送管道利川至宜昌段等多个管段的实际数据进行了对比,误差可控制在3%以内,吻合度高,符合现场工程实际,可为实际生产操作提供数据参考。 The hydraulic and thermodynamic calculation of gas pipeline is the key of process design and working condition analysis.Based on the basic equations of fluid mechanics,the equations of hydraulic and thermodynamic differential equations of the main gas pipeline are established.The parameters of temperature,pressure and flow velocity along the gas pipeline are calculated by VB programming using the fourth-order Runge-Kutta method.The calculation results are compared with the actual data of a few sections of Sichuan Gas Pipeline,from Lichuan to Yichang.The error control is within 3%,and the coincidence degree is high,which is in accordance with the actual project and can provide a solid reference for the actual production operation.
作者 肖太和 张引弟 赵轩康 薛鹏 周泽政 刘重洋 XIAO Taihe;ZHANG Yindi;ZHAO Xuankang;XUE Peng;ZHOU Zezheng;LIU Chongyang(College of Petroleum Engineering,Yangtze University,Wuhan 430100,China)
出处 《北京石油化工学院学报》 2018年第4期34-37,共4页 Journal of Beijing Institute of Petrochemical Technology
基金 湖北省大学生创新创业计划项目(20150108) 国家自然科学基金(51306022) 中国石油科技创新基金(2015D-5006-0603) 长江青年科技创新团队基金(2015cqt01)
关键词 天然气 水力计算 热力计算 数学模型 仿真模拟 natural gas hydraulic calculation thermodynamic calculation mathematical model simulation
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