地铁站台及区间火灾数值模拟及逃生研究

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1、分类号：U44；U4510710．2006069l壤爹太海硕士学位论文JIlIIIEIIE[E!I[[II!]IIIIIIIIEIIIIIIIIIIIIIIIIqIIIIY1526325地铁站台及区问火灾数值模拟及逃生研究导师姓名职称申请学位级别论文提交日期学位授予单位要忠茹夏永旭教授答辩委员会主席学位论文评阅人顾安全教授吕康成教授高万春高级工程师AbstractWiththepopulationofthecityintheworldquicklyincreasing,moreandmorevehiclesbringoutsuchproblem

2、s：thetrafficjam，thepollutionoftheenvironmentandenergycrisis，etc．Thetraditionaltransportafionsuchasbusesandtrolleybuswillbeabandoned．Becauseofthebigcarryingsavingenergy,subwayissoondeveloping．Inaword,thecountryintheworldhaspaidmoreandmoreattentionondevelopingsubwayinordertoam

3、elioratethetrafficjam．Becausethesubwayenvironmentdiffersfromthatinthebuilding，alsoisnotthesameasthatofundergroundbuilding，therefore，thisproblemhasbecomethefocus．Alotofscholarsathomeandabroadhavedonesearchesonsmokespreadingprinciple，temperaturefield，andsmokefield．Wlliletherea

4、reonlyfewresearchesontheescapingpedestrian．Currentstudiesontheescapingpedestrian，someareonlytheconcretetemperatureortheCOdensity,oristhevisibilityabsolutevalue，some，althoughhasconsideredthetimeinfluenceonthetemperature，andsomeonthesmoke，buthasnotconsideredtheimpactofthemtoge

5、ther．Aphysicalmodelofatwo-layerandislandtypesubwaystationisestablishedinthepaper,whichhasstudiedtheflowfielddistributionaswellasthehazedensityfielddistributionindetailonthedifferentsubwaystationenvironmentwindspeedandthedifferentfirehazard．Thisarticlealsostudiesthesamesituat

6、ionofthetunnel．inthenumericalsimulationresearch’Sfoundation，revisionFEDwhichproposedbythisarticlelosesabilitymoldbehaviordistinctioncondition，hasobtainedwhenthedifferentsubwayenvironment，tunneldifferentpositionpersonnel’Sbiggestsecurityescapingtime，lminafterthefn'e，thedownst

7、reampersonalsecurityescapesthepositionandhastheregionwhichthepossibilityescapes．Thisarticlefmdingstoformulategrowuptimethesubwayfire’Spersonneltoescapetherescueplan，hasprovidedtheimportanttechnicalsupport．Keywords：Subwayfire，Numericalsimulation，Firetemperature，Harmfulsmoke，T

8、hepersonnelescapeII论文独创性声明本人声明：本人所呈交的学位论文是在导师的指导下，独立进行研究工作所取得的成果。除论文中已经注明引用