城市燃气输配管网分区模式下的水力可靠性研究(编辑修改稿)

城市燃气输配管网分区模式下的水力可靠性研究(编辑修改稿)内容摘要：

3。 67 第 6 章 结论与展望 68 结论 68 III 展望 68 致 谢 70 参考文献 71 攻读硕士生期间发表的学术论文及科研成果 74 IV Contents Chapter 1 introduction 1 The background of research 1 The necessity and significance of research 2 The partition model research situation of city gas pipeline work at home and abroad5 The partition model research situation of work at home and abroad 5 The shortings of the current research for pipe work partition model 9 The research goal of the paper 10 Feasibility analysis of research 10 The main content of the paper 11 Research methods 11 The technical route 12 Innovation points 12 Chapter 2 The prediction of the gas consumption for city gas pipeline work 13 The index method of the gas consumption 13 The determination for all types of users 13 The forecast of the total gas consumption 15 The determination of peak coefficient 16 The determination of pipeline work calculation flow 17 Growth rate method for forecasting 17 Economic prediction method for forecasting 18 The summary of this chapter 19 Chapter 3 The hydraulic calculation and working condition analysis of the city gas pipeline work partition model 21 The partition principle of city gas pipeline work 21 The hydraulic calculation of city gas pipeline work 23 The basic equation of the flow inside the pipeline for hydraulic calculation 23 The choice of the state equation for hydraulic calculation 25 The characteristics of hydraulic calculation and solving steps for partition work 25 The characteristics of hydraulic calculation partition work 25 The solving method of partition circular pipe work 26 The steps of calculation for circular equation method 27 The introduction of hydraulic calculation software monly used 27 Calculation example 29 The city gas pipeline work profiles of southwest 29 The hydraulic calculation result and the working condition analysis 31 The analysis and parison for accident hydraulic conditions 34 V The prehensive contrast for all kinds of accidents condition 37 The summary of this chapter 183。