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A methodology to assess the gas supply capacity and gas supply reliability of a natural gas pipeline network system

摘要:Natural gas pipeline network system is a critical infrastructure connecting gas resource and market, which is composed with the transmission pipeline system, underground gas storage (UGS) and liquefied natural gas (LNG) terminal demand. A methodology to assess the gas supply capacity and gas supply reliability of a natural gas pipeline network system is developed in this paper. Due to random failure and maintenance action of the components in the pipeline network system, the system can be in a number of operating states. The methodology is able to simulate the state transition process and the duration of each operating state based on a Monte Carlo approach. After the system transits to other states, the actual flow rate will change accordingly. The hydraulic analysis, which includes thermal-hydraulic simulation and maximum flow algorithm, is applied to analyze the change law of the actual flow rate. By combining the hydraulic analysis into the simulation of the state transition process, gas supply capacity of the pipeline network system is quantified. Furthermore, considering the uncertainty of market demand, the load duration curve (LDC) method is employed to predict the amount of demand for each consumer node. The gas supply reliability is then calculated by comparing the gas supply capacity with market demand. Finally, a detailed procedure for gas supply capacity and gas supply reliability assessment of a natural gas pipeline network system is presented, and its feasibility is confirmed with a case study. In the case study, the impact of market demand uncertainty on gas supply reliability is investigated in detail.
Copyright © 2018 ASME

卷、期、页:v 2,

发表日期:2018-01-01

影响因子:0.000000

期刊分区(SCI为中科院分区):无

收录情况:EI(工程索引)

发表期刊名称:Proceedings of the Biennial International Pipeline Conference, IPC

通讯作者:虞维超,李熠辰

第一作者:温凯,黄维和,宫敬

论文类型:会议论文

论文概要:虞维超,温凯,李熠辰,黄维和,宫敬,A methodology to assess the gas supply capacity and gas supply reliability of a natural gas pipeline network system,Proceedings of the Biennial International Pipeline Conference, IPC,2018,v 2,

论文题目:A methodology to assess the gas supply capacity and gas supply reliability of a natural gas pipeline network system

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