Article(id=1242128977846928352, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242128972264309708, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2012.17.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1332777600000, receivedDateStr=2012-03-27, revisedDate=1338825600000, revisedDateStr=2012-06-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1339948800000, onlineDateStr=2012-06-18, pubDate=1339948800000, pubDateStr=2012-06-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1339948800000, onlineIssueDateStr=2012-06-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774076225956, creator=sys-migrate, updateTime=1774076225956, updator=sys-migrate, issue=Issue{id=1242128972264309708, tenantId=1146029695717560320, journalId=1146031591421210625, year='2012', volume='30', issue='17', pageStart='3', pageEnd='95', issueExtLink='null', onlineDate='null', pubDate='1339948800000', pubDateStr='2012-06-18', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774076224626, creator='sys-migrate', updateTime=1774076224626, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=23, endPage=28, ext={EN=ArticleExt(id=1242128982812984316, articleId=1242128977846928352, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Dynamic Simulation on the Pattern of End Section Storage of Gas Pipelines, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=The end section storage is an important mean for short term peak shaving of gas pipeline. Steady state calculation is usually adopted to estimate end section inventory, however the process of end section storage is a complicated dynamic process, and the end section inventory obtained by steady state calculation has some deviation. The deviation range of steady state calculation is defined via dynamic simulations on end section storage in many conditions. And some patterns involving end section storage are obtained. According to the factors which affect end section storage of gas pipelines, six conditions which have different inner diameters, lengths, inlet pressures, and flow rates of end section are simulated by using an internationally popular pipeline simulation software of Stoner Pipeline Simular (SPS) 9.6. The simulation results indicate that with dynamic conditions, end section inventory obtained by steady state calculation is about 14%—25% less than that by dynamic calculation. The change of end section inventory is affected by the change pattern of end point gas load, the largest end section inventory occurs nether before the largest end point gas load or more or less at the same time. When the end point flow rate changes, end section inlet pressure changes after outlet pressure. The longer end section is, and the larger inner diameter is, the more obvious hysteresis is., authors=ZHENG Zhiwei, WU Changchun, authorsList=ZHENG Zhiwei;WU Changchun, authorCompany=Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum, Beijing 102249, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=9EJFQYtgRq6OCktQ2ibEnQ==, pdfFileSize=2620894, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242128980397065199, articleId=1242128977846928352, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=输气管道末段储气规律动态仿真, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=末段储气是输气管道短期调峰的重要手段,工程上经常用稳态计算法估算输气管道末段储气量,而末段储气过程是一个复杂的非稳态过程,因此用稳态计算法估算末段储气量具有一定的偏差。本文通过对管道末段进行多种工况下的非稳态模拟来界定末段储气量稳态计算法的偏差范围,并得到了若干管道末段的储气规律。针对影响输气管道末段储气的各种因素,分别按不同管径、管长、进口压力和流量设计了6种工况并利用国际上通用的管道仿真软件SPS 9.6(Stoner Pipeline Simulator 9.6)进行动态仿真。结果表明,在非稳态工况下,稳态法计算末段储气量比非稳态计算末段储气量低约14%—25%；输气管道末段储气量的变化受用气负荷变化规律的影响,在不同工况下末段最大储气量出现的时间一般比管道末端最大用气负荷出现的时间有所提前或时间相近；当管道末端用气流量发生变化时,管道末段起点压力的变化较终点压力的变化具有滞后性,管段越长、管径越大,滞后越明显。, authors=郑志炜, 吴长春, authorsList=郑志炜;吴长春, authorCompany=中国石油大学(北京)城市油气输配技术北京市重点实验室,北京 102249, correspAuthors=null, authorNote=null, correspAuthorsNote=吴长春,教授,研究方向为油气储运与城市输配系统工程,电子信箱：wuchangchun@vip.sina.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=kncLxQJkKXMhldl9Hs37dw==, pdfFileSize=2620894, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, 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