气体管道泄漏模型的研究进展

肖建兰1,吕保和1,王明贤1,周加倍2(1.江苏大学生物与环境工程学院,江苏镇江212013;2.浙江公信认证有限公司,浙江杭州310005):分析了研究气体管道泄漏模型对于管道泄漏事故后果评价和事故处理的重要意义,讨论了现有的3种泄漏模型的计算方法及适用范围:气体管道泄漏模型;泄漏速率;小孔泄漏模型;管道泄漏模型:TU996:A:1000-4416(2006)02-0007-03StudyProgressonLeakageModelforGasPipelineXIAOJianlan1,LVBaohe1,WANGMingxian1,ZHOUJiabei2(1.SchoolofBiologicalandEnvironmentalEngineering,JiangsuUniversity,Zhenjiang212013,China;2.ZhejiangGainshineAssessmentCo.,Ltd.,Hangzhou310005,China)Abstract:Theimportantmeaningofstudyonleakagemodelforgaspipelinetoaccidentconsequenceevaluationandaccidenttreatmentofpipelineleakageisanalyzed,andthecalculationmethodsandapplicationscopeof3kindsofexistingleakagemodelsarediscussed.Keywords:leakagemodelforgaspipeline;leakagerate;leakagemodelforsmallholes;leakagemodelforpipeline,,[1~8],,,,,,,[9~11]1泄漏模型1.1,,()()[9]pap2+1+1,,:qm=CdAorpMRT2+1+1-1pap2+1+1,,:qm=CdAorp2-1MRTpap2-pap+1pa,Pap,Paqm,kg/sCd,!7!第26卷第2期2006年2月煤气与热力GAS&HEATVo.l26No.2Feb.20061.00,0.95,0.90[9]Aor,m2M,kg/kmolR,8.314J/(mol!K)T,K,,1.2[10]20mm,20~80mm[12],,:pV=ZnRTV,m3Zn,mol1[12],L,1(),2,3piTiuii(i=123)123(Pa)(K)(m/s)(kg/m3)Taa(K)(kg/m3)1Fig.1Sketchofgasleakage∀,,,,,,,:qm,max=C0Aorp2!MZRT2!2+1+1-1,:qm,max=C0Aorp2!2MZRT2!-1!pap22-pap2+1qm,max,kg/sC0,Re300000.61,1.0[10]#,,123,p2=p3=pa[10]:udu+dp+F=0dH+udu=0F=22dLDu,m/s,kg/m3F,NH,JL,mD,m,,,,[13],,!8!第2期煤气与热力第26卷,,,,,1.3[1214],,,,,,,:∀,;#;∃,,:+1lnp1T2p2T1+MRq2m,maxp22T2-p21T2+4LeD=0Le,m,[11],,qm,max:qm,max=Aorp22MRT2!+1pap22-pap2+1,,,,2结论3,,,3,,,:[1].[J].,1998,18(6):21-23.[2].[J].,2003,(4):1-2.[3].[J].,2001,(4):98-100.[4],,,.[J].,2003,(6):21-24.[5],,,.[J].,2004,(7):63-65.[6].[J].,2004,(5):108-112.[7],,,.[J].,2003,(12):41-44.[8],,.[J].,2004,24(2):105-107.[9].[M].:,2003.[10],,,.[J].,2004,25(1):101-105.[11]MontielH.Mathematicalmodellingofaccidentalgasreleases[J].JournalofHazardousMaterials,1998,59(2-3):211-233.[12]FearnehoughGA.Thecontrolofriskingastransmissionpipeline[A].InstituteofChemicalEngineers,Symposium[C].%s..l&:%s.n.&,1985.25-44.[13],,.[J].,2002,20(2):13-15.[14]ArnaldosJ.Designofacomputertoolfortheevaluationoftheconsequencesofaccidentalnaturalgasreleasesindistributionpipes[J].JournalofHazardousMaterials,1998,11(2):135-148.:(1977-),,,,:[phone]E-mail:[e-mail]:2005-03-18;:2005-08-12!9!第2期肖建兰,等:气体管道泄漏模型的研究进展第26卷