分段烟羽模型和烟团模型在核事故应急中的应用比较

213Vo1.21No.320019ChineseJolrnalofNlclearScienceandengineeringSep.20012000-03-1419961962!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1000841112!3121RODOSATSTePRIMPUFF8822ATSTEPATSTEP3uT1!IyZ=G2!uyZexp-y222y-Z-h222ZFI1huTFIXFI=12erfI!2I-erfI-uT!2I21Fig.1Axialconcentrationdistributionofaplumesegment1TATSTEP1800s3RIMPUFFGCIyZ=G2!!3IyZexp-12I-IcI2y-ycy2H=-e-12Z-Zc+2HZinvZ2+e-12Z-Zc+2HZinvZ23IcycZcZinvxyZIyZ1030s3RIMPUFF539824!#0.5h2!42.5km5km7.5km10km2!$3RIMPUFF10SE102Fig.2Theconcentrationdistributioninastationaryandhomogeneouswindfield3Fig.3Theconcentrationdistributioninanin-stationaryandhomogeneouswindfield0924Fig.4Theconcentrationdistributioninastationaryandinhomogeneouswindfield3bc5km!#454l4l2l2l54l4lFig.5Thewindfieldina4l4lgridsystem5l92RIMPUFFAT-STEPRIMPUFFATSTEP240IAEAsafetyseriesNo.86.TechniCuesanddecisionMakingintheAssessmentofOff-siteConseCuencesofanAccidentinaNuclearFacility2ROdOSWG2-TN9802.AtmosphericdispersionModelRIMPUFF9983ROdOSWG2-TN970.descriptionoftheAtmosphericdispersionModelATSTEP997ApplicationofaGaussianSegmentedPlumeModelandaLagrangianPuffModelduringtheNuclearEmergencyYUGiLIUYuanzhongInstituteofNuclearEnergyTechnologyTsinghuaUniversityBeijing00084ChinaAbstractChoiceofatmosphericdispersionmodelsfornuclearemergencydecisionmakingsupportisdiscussed.ComparisonsaredonebetweenpuffmodelandsegmentedGaussianplumemodelfordiffer-entflowfields.Simulationresultsofthetwomodelsaresimilarunderstationaryandhomogeneousflowfieldwhileunderin-stationaryorinhomogeneousflowfieldconcentrationdistributionsobtainedbysegmentedplumemodelareobviouslydiscontinuous.Moreovermorerealisticresultsareobtainedbypuffmodelunderin-stationaryflowfieldforshortrelease.Accordingtomodelcharacteristicssimula-tionresultsandoperationtimeofpuffmodelsegmentedplumemodelandLagrangianparticlemodelaswellasreCuirementsofnuclearemergencyandsite-specificcharacteristicsofChinesenuclearpowerplantspuffmodelisbetterfornuclearemergencydecisionmakingsupport.Keywordsatmosphericdispersionnuclearemergencypuffmodelplumemodel292分段烟羽模型和烟团模型在核事故应急中的应用比较作者：余琦，刘原中作者单位：清华大学核能技术设计研究院刊名：核科学与工程英文刊名：CHINESEJOURNALOFNUCLEARSCIENCEANDENGINEERING年，卷(期)：2001,21(3)被引用次数：6次参考文献(3条)1.TechniquesandDecisionMakingintheAssessmentofOff-siteConsequencesofanAccidentinaNuclearFacility2.RODOS(WG2)-TN(98)0219983.RODOS(WG2)-TN(97)01DescriptionoftheAtmosphericDispersionModel1997本文读者也读过(5条)1.肖建明.陈国华.张瑞华.XiaoJianming.ChenGuohua.ZhangRuihua高斯烟羽模型扩散面积的算法研究[期刊论文]-计算机与应用化学2006,23(6)2.池兵.方栋.李红.CHIBing.FANGDong.LIHong随机游走大气扩散模型在核事故应急中的开发和应用[期刊论文]-核科学与工程2006,26(1)3.姬文超.李华.JiWenchao.LiHua大亚湾核电站正常运行工况下气载入射性流出物浓度计算[期刊论文]-辐射防护2007,27(6)4.余琦.刘原中.YUQi.LIUYuanzhong拉格朗日烟团模型在核事故早期应急决策中的应用[期刊论文]-清华大学学报（自然科学版）2000,40(12)5.张斌才.赵军.ZHANGBin-cai.ZHAOJun大气污染扩散的高斯烟羽模型及其GIS集成研究[期刊论文]-环境监测管理与技术2008,20(5)引证文献(6条)1.张明广.蒋军成基于GIS、实时气象信息的毒害性气体泄漏扩散模拟技术[期刊论文]-南京工业大学学报（自然科学版）2009(3)2.杨红刚.唐丽莎.梁开水.吴渝婷.刘念武汉沌阳高架桥拆除爆破工程粉尘影响研究[期刊论文]-爆破2013(3)3.王鹏飞.费建芳.程小平.黄小刚.王益柏气旋活动对福岛核污染物扩散影响的模拟研究[期刊论文]-环境科学研究2013(1)4.杨红刚.唐丽莎.梁开水.吴渝婷.刘念武汉沌阳高架桥拆除爆破工程粉尘影响研究[期刊论文]-爆破2013(3)5.甘平.杨乐巍.房增强.郭淑倩.于妍.贾建丽挥发性有机物污染场地挖掘过程中污染扩散特征[期刊论文]-环境科学2013(12)6.刘爱华.蒯琳萍放射性核素大气弥散模式研究综述[期刊论文]-气象与环境学报2011(4)引用本文格式：余琦.刘原中分段烟羽模型和烟团模型在核事故应急中的应用比较[期刊论文]-核科学与工程2001(3)