天然气管道瞬态仿真研究综述

Review on Transient Simulation of Natural Gas Pipeline

天然气管道仿真技术是天然气管网设计、运行、管理核心基础技术。在天然气管网大型化、复杂化、智慧化和多气源供应发展的大背景下,该技术将发挥着越来越重要的作用。为此,调研了中外天然气管道瞬态仿真的研究进展,梳理了在数学模型、求解方法和加速仿真3个方面的研究历程,总结了当前的研究成果,分析了今后的发展趋势。目前天然气管道仿真技术已经基本成熟,其准确性和稳健性可得到较好的保证,中小型管网的仿真速度较快。为更好地服务大型智慧管网的建设,多气源混输、人工智能和并行仿真将是以后的重要发展方向。

The simulation technology is one of the key technologies for the design,operation and management of natural gas pipeline networks.As the natural gas pipeline network is large,complex,and intelligent,as well as has multiple gas sources,the simulation technology is playing an increasingly important role.Therefore,literature review of the research progresses of natural gas pipeline transient simulation was made from the aspects of mathematical model,solution method,and accelerated simulation.Based on the analysis,the results of previous researches were summarized,and the future research work was proposed.At present,the calculation accuracy and robustness of the simulation technology meet the engineering requirements of natural gas pipeline,and the simulation of small and medium-sized pipeline network is fast.However,to support the construction of large-scale intelligent pipeline network,further research on multi gas mixture transportation,artificial intelligence and parallel simulation is required.