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1、西南交通大學碩士學位論文大空間空調(diào)數(shù)值模擬邊界條件研究姓名：張鏡清申請學位級別：碩士專業(yè)：供熱、供燃氣、通風及空調(diào)工程指導教師：雷波20060501西南交通大學碩士研究生學位論文第1I頁AbstractWi血thedeVelOpmentOfcomputatiOnalfluiddynaInicsandsonwareandhardwareofthecomputer'CFD，whichisproVidedwimcomputingaⅡdvisual血nctioIls，makesitpOssibleforustoachieve血egoalofthe皿alcomfort，techn
2、iques，andenergyco璐eⅣation．Tbensurcthecredibilityofsinlulationrc8ultofCFDthatiswidelyappliedtoHVAC&R，itisimportanttoeⅡsurethecorrec恤essof廿lema血ematical姐dphysicalmodel，me印propriatenessofthe嘶ddingdiVision，andmeprecisenessofthecalculating．Also，itisessentialtoIogicallydescribetlleboundarycond
3、ition．Themesis，basedontheairconditioIlingdesignina1argespace。say't11ePassengerStalldRoomofarailwaystation，studiesthe3Dnumericalsimulationofthes訂atifiedaircon(1itioningoftheP船sengerStandRoom，andthetemperaturefieldandvelocityfieldofthewaitingroombyusingtheSTAR—CDcomputationalnlliddynamicss
4、oftware．RNG缸￡turbulentmOdelisusedasthecomputingmodel；FiniteVolumeme山odis1lsedtodiscretizethecomputedareawithupwinddifferencingschemeputintouse；whileSIMPLEisadOptedtocoupletlleVelocityandpressure．This也esisattachesimportancetotheallalysisoftheextentofmeinletboundarycoⅡdition，boundarycorldi
5、tionofthewalltenlperatllreandcurtainwalltemperature，etc．toai卜cOnditiOningtemper粕efieldandvelocity丘eld．TheOrbicularspoutsaresimulatedbyusir唱difI打entspOutnumericalmodels，講1icharecontrastedtOthespeeddistributionofaxesandbreakbymeansoftlleclassicaljetcurrentf0玎nula，tllusleadingto也efomationof
6、meiIlletn哪ericalmodel也atc蛆describeorbicularspoutillletbouIldaryconditionmOreaccurately．AsforthewaUtemperaturebOllIldaryconditionoft11es仃atifiedairconditioninginalargespace，itsdescriptionshouldrenectmeactual8ituationofthewalltemperaturedis打ibutionintheprocessofCFDsimulationthatisbasedonth
7、eanmysisof廿1e訂endofthet啪peraturefield粕dvelocity矗elda11dtheindexationOfmemenn出℃omfbrt．AsfbrthebolmdarvcoⅡditionofmecurtainwallt鋤1perature，itissimul砒edbyrespectiVelyadOptingtheidealizedadia_baticcurtainwallbOundaryconditiondescription趾ldbound盯ycondition西南交通大學碩士研究生學位論文第
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