燃气混输管网流量分配及终端气质分析
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摘要
在传统水力分析的基础上,充分考虑多气源燃气密度及动力黏度不同带来的管内流动特性的差异,提出气源分配系数来准确分析燃气管网的水力工况,分析稳态工况下各气源在管网内的流量分配及终端用户的燃气性质,结合案例对模型的有效性进行验证。
On the basis of the traditional hydraulic analysis,fully considering the different flow characteristics in pipes caused by various gas densities and kinetic viscosities of multiple gas sources,the gas source distribution ratio is put forward to accurately analyze the hydraulic regimes of the gas pipe network.The flow distribution of each gas source in the pipe network and the gas quality at end users under steadystate conditions are analyzed,and the effectiveness of the model is verified by the case.
On the basis of the traditional hydraulic analysis,fully considering the different flow characteristics in pipes caused by various gas densities and kinetic viscosities of multiple gas sources,the gas source distribution ratio is put forward to accurately analyze the hydraulic regimes of the gas pipe network.The flow distribution of each gas source in the pipe network and the gas quality at end users under steadystate conditions are analyzed,and the effectiveness of the model is verified by the case.
引文
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[15]ABEYSEKERA M,WU J,JENKINS N,et al.Steady state analysis of gas network with distribution injection of alternative gas[J].Applied Energy,2016(164):991-1002.
[16]袁一星,陈冰,赵明,等.多水源供水分布及供水路径[J].中国给水排水,1999,15(2):44-45.
[2]程序,朱万斌.欧盟国家新兴的生物天然气产业[J].中外能源,2011,16(6):22-29.
[3]黄明,吴勇,文习之,等.利用天然气管道掺混输送氢气的可能性分析[J].煤气与热力,2013,33(4):A39-A42.
[4]赵伟,黄小美,谭顺民.沼气混入天然气管网使用的可行性探讨[J].煤气与热力,2012,32(12):B08-B11.
[5]罗东晓.多气源供应格局下的管网供气方案[J].天然气工业,2008,28(6):120-123.
[6]彭世尼,蒋星池.天然气多气源混输系统的安全性分析[J].煤气与热力,2014,34(12):B01-B03.
[7]DRIES H,WILLIAM D.The use of the natural-gas pipeline infrastructure for hydrogen transport in a changing market structure[J].International Journal of Hydrogen Energy,2007(32):1381-1386.
[8]秦朝葵,吴之觐.多气源天然气的互换性问题[J].天然气工业,2009,29(12):1-4.
[9]潘国君,郭开华,王冠培,等.天然气混输管网热值波动过程模拟[J].化工学报,2015,66(S2):360-363.
[10]王冠培,苏清博,郭开华,等.多气源混输管网的供气方案[J].油气储运,2013,32(10):1063-1067.
[11]张应辉,高顺利,刘蓉,等.气源与组成跟踪分析在多气源输配管网的应用[J].煤气与热力,2014,34(6):A25-A28.
[12]段常贵.燃气输配[M].4版.北京:中国建筑工业出版社,2011:88-90.
[13]李长明.燃气管网水力计算程序设计基础[M].北京:煤炭工业出版社,1997:44-47.
[14]袁一星,陈冰,李玉华,等.多水源供水管网流量分布的研究[J].给水排水,1998,24(5):16-19.
[15]ABEYSEKERA M,WU J,JENKINS N,et al.Steady state analysis of gas network with distribution injection of alternative gas[J].Applied Energy,2016(164):991-1002.
[16]袁一星,陈冰,赵明,等.多水源供水分布及供水路径[J].中国给水排水,1999,15(2):44-45.