船载散装难溶保守液体化学品泄漏扩散研究

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1、大连海事大学硕士学位论文船载散装难溶保守液体化学品泄漏扩散研究姓名：李连峰申请学位级别：硕士专业：轮机工程指导教师：吴宛青20090701英文摘要StudyonSpreadofInsoluableandConservativeBulkLiquidChemicalsAbstract彤动theincreasingtransportationofliqmdchemicals，theriskofchemicalsspillisgettinghigherandhigher．nereasonablenumericalmodelingofthespilledchemicalsatseaisa

2、keytechniqueforriskassessmentandcontingencydecisionmaking，andthedesignofdecision-makingsupportsystembasedonGIShasacademicandappliedsIellSe．Thetidalgroundisthekeyfactorwhichaffectstheactionofspilledchemicals．Basedonanalysisofthestatenumericalmodelingonthetidalcurrent，theNingbo-ZhoushanharborW

3、asselectedastheapplicationregionwithsimulatedtidalgroundusingPOM．Becauseoftheflexuouscoastallineandthediversetopographyneartheharbor,nestedgridmethodWasusedtosimulatetheconcernedarea．皿1copeningboundaryconditionofthesmallareawasobtainedfromthecalculationresultsinlargearea．Thenthetidalconsiste

4、ntconstantWascalculatedandsaved舔thedatainmaplayerfortidalfastpred!ction．Theresultofthemodelandinvestigativedataindicateditsrationality．Basedontheanalysisoftheresearchandapplicationofnumericalsimulationofthestatusquoofenvironmentalpollutionincoastalwaters，accordingtothetypeofsettlementofthena

5、tureofchemicalsandtheirbehaviorsatsea,senlemem-based．numericalsimulationofchemicalbehaviorsoftheconvection-diffusionequationmodelandLagrangianparticlemigrationpatternswereestablished．LaterthemodelWasappliedinasimulatedchemicalsspillaccidentaroundNingbo—Zhonshanharbor．Thequantityofspilledchem

6、icals,thetypeofchemicals，themarineenvironmentbackgroundeta1．wereinputedinthemodel，andthephysicalandchemicalcharacterofthechemicalsfromestablisheddatabaseweregotanditsindividualactionforeachprogressWasfinallysimulatedbytheestablishedmodel．KeyWords：ConservativeChemicals；NestedGrid；POM；Spill；Nu

7、mericalSimulation大连海事大学学位论文原创性声明和使用授权说明原创性声明本人郑重声明：本论文是在导师的指导下，独立进行研究工作所取得的成果，撰写成博／硕士学位论文=!艘载趑装整渣堡生逮住丝堂晶泄遗芷．邀硒究=：。除论文中已经注明引用的内容外，对论文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本论文中不包含任何未加明确注明的其他个人或集体已经公开发表或未公开发表的成果。本声明的法律责任由本人承担。学位论文作者签名：必学位论文版权使用授权书本学位论文作者及指导教师完