| 埋地天然气管道泄漏数值模拟 |
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| 引用本文： | 刘珂,吴明,邵大伟,范开峰,王卫强.埋地天然气管道泄漏数值模拟[J].石油化工高等学校学报,2012,25(6):59-62. |
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| 作者姓名： | 刘珂 吴明 邵大伟 范开峰 王卫强 |
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| 作者单位： | 1. 沈阳市特种设备检测研究院,辽宁沈阳,110000
2. 辽宁石油化工大学,辽宁抚顺,113001 |
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| 基金项目： | 国家质检总局科研项目"质检公益性行业科研专项项目"资助 |
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| 摘 要： | 给出了天然气管道泄漏几何区域图形,建立了天然气泄漏控制方程,基于控制体积原理和多孔介质理论,利用计算流体力学软件对埋地天然气管道泄漏过程进行了数值模拟。通过模拟,得到了天然气在土壤和空气中泄漏浓度分布,并分析了风速对天然气组分的扩散影响规律,确定了安全区域,为天然气管道泄漏应急救援和安全管理提供了理论依据。
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| 关 键 词： | 埋地管道 天然气 泄漏 风速 数值模拟 |
Numerical Simulation for the Leakage of Buried Natural Gas Pipeline |
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| LIU Ke
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WU Ming
,
SHAO Da-wei
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FAN Kai-feng
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WANG Wei-qiang.Numerical Simulation for the Leakage of Buried Natural Gas Pipeline[J].Journal of Petrochemical Universities,2012,25(6):59-62. |
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| Authors: | LIU Ke WU Ming SHAO Da-wei FAN Kai-feng WANG Wei-qiang |
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| Affiliation: | 1.Shenyang Institute of Special Equipment Inspection & Research,Shenyang Liaoning 110000,P.R.China; 2.Liaoning Shihua University,Fushun Liaoning 113001,P.R.China) |
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| Abstract: | The leakage geometry region of natural gas pipeline was provided.The leakage control equation of natural gas was established on the control volume principle and porous media theory.The numerical simulation was performed on the leakage of buried natural gas pipeline by using computational fluid dynamics software.Through the process of simulation,the concentration distribution of leakage natural gas in soil and air were got.The wind speed affect the diffusion law of natural gas was analyzed,the safe region was confirmed.The theoretical reference for emergency rescue and safety management of natural gas pipeline leakage was provided. |
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| Keywords: | Buried pipeline Natural gas Leakage Wind speed Numerical simulation |
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