输气管道泄漏率计算和扩散模拟方法述评.pdf

　2007 年 管道技术与设备 2007 　 　第 4 期 Pipeline 　Technique 　and 　Equipment No4 　 输气管道泄漏率计算与扩散模拟方法述评 1 2 1 于 　明 ,狄 　彦 ,帅 　健 ( ( ) ) 1. 中国石油大学 北京 机电学院 ,北京 　102249 ;2 . 中石化科技部装储处 ,北京 　100029 　　摘要 :分析了研究输气管道泄漏率计算与扩散模拟对管道泄漏事故后果评价和事故处理的重要意义 ,综述了国内外 输气管道泄漏率的稳态 、瞬态计算模型 ,指出其适用范围;总结了输气管道泄漏扩散模拟的各种方法及其优缺点 ,建议建 立较简单的气体扩散模型 ,应用三维计算模型及湍流统计 、模式理论模拟输气管道泄漏情形 。 关键词 :管道 ;天然气 ;泄漏率 ;风险评价 ;扩散模拟 ( ) 中图分类号 :TE973 　　文献标识码 :A 　　文章编号 :1004 - 9614 2007 04 - 0015 - 04 Revie w on Leakage Calculation and Discharging Dispersion Simulation for Gas Pipeline 1 2 1 YU Ming ,DI Yan ,SHUAI Jian ( 1. Department of Mechanical and Engineering , China University of Petroleum , Beijing 102249 , China ; 2. Technology Development Department , SINOPEC , Beijing 100029 , China) Abstract :The important meaning of study on leakage model and discharging dispersion simulation for gas pipeline to accident conse quence evaluation and accident treatment of pipeline leakage was analyzed. The steady and transient calculation models for gas pipeline were summarized , and the applicable extension was indicated. Discharging dispersion simulation models and their characteristics for gas pipeline were presented. Establishing simple simulation models , simulating with 3 - D