天然气放空管结构的优化  

Structure Optimization of Vent Pipe for Nature Gas Pipeline

作　　者：翁羽 杨爽 潘杰[1] 孙小毛 苟梦娇 Weng Yu;Yang Shuang;Hu Yongqun;Fu Zhihao;Sun Xiaomao(School of Petroleum Engineering,Xi'an Shiyou Univercity,Xi'an,Shaanxi 710065,China;Engineering Research Center of Safety and Energy Saving in Oil&Gas Storage and Transportation,Universities of Shaanxi Province,Xi'an,Shaanxi 710065,China)

机构地区：[1]西安石油大学石油工程学院 [2]油气储运安全与节能陕西省高校工程研究中心,陕西西安710065

出　　处：《化学工程与装备》2023年第10期70-73,共4页Chemical Engineering & Equipment

基　　金：陕西省自然科学基金项目“LNG跨尺度热流交混演化机理研究”(2021JM-402)。

摘　　要：通过模拟放空管的流动特性对放空管结构进行优化,从而选取一种最优结构。研究应用计算流体动力学方法对天然气放空管进行结构优化数值模拟,对放空管的出口流场进行数值模拟。得到了内部温度、速度、压力等可视化云图,对不同放空管结构的流场进行的对比分析,并对管道结构提出了优化建议。In the long-distance natural gas transmission pipeline,the vent pipe is an indispensable equipment.The discharge efficiency of the vent pipe has a direct relationship with the pipe structure.The pipe diameter,pipe length and inclination angle will affect the discharge efficiency of the vent pipe.In this study,the structure of the vent pipe is optimized by simulating the flow characteristics of the vent pipe,so as to select an optimal structure.The computational fluid dynamics(CFD) method is used to simulate the structure optimization of the natural gas vent pipe and the flow field at the outlet of the vent pipe.The visualization images of internal temperature,velocity and pressure are obtained,The flow field of different vent pipe structures is compared,and the optimization suggestions for vent pipe structure are put forward.

关 键 词：放空管 计算流体动力学 结构优化 

分 类 号：TE973[石油与天然气工程—石油机械设备]