地鐵島式站臺公共區(qū)通風空調氣流組織方式研究.pdf

1、天津大學碩士學位論文地鐵島式站臺公共區(qū)通風空調氣流組織方式研究姓名：高彩鳳申請學位級別：碩士專業(yè)：供熱、供燃氣、通風與空調工程指導教師：張歡20060901ABSTRACTMoreandmoreattentionshavebeenpaidtothecontrolofsubwayenvironmentwiththesubwayconstructionsgoingaheadrapidlyinChinaBecauseventilationsy

2、stemitselfbecameinsufficienttoke印thesubwayenvironmentacceptable，airconditionersarewidelyusedHowever嬲knowntoall，airconditioningsystemconsumesalargeamountofenergy；animperativedutyoftheresearchersinsubwayfieldistofindfeaSib

3、lewaystosaveenergyandtoe11sureacceptableairquality嬲well衛(wèi)1ispaperdiscussesmainlyabouttheimpactofdifferentairflowdistributiontypesonenergycost，aimstofindamoreefficientoneneinfluenceofairflowdistributiontOtwofloorislandplat

4、formwithtransverseuniformairsupplywasstudied，asallexample；theXiaWafangstationwassimulatedandexperimented。乃emainresearchmethodWaSthecombinationoffieldtestingandCFDsimulationFirst，afullscalephysicalmodelWaSbuiltaccordingto

5、theactualsizeofthestation，andthesimulationwasperformedwithmeasuredboundaryconditionsThenthenumericalresultswereverifiedbycomparingwitlltheexperimentdatatoconfirmthereliabilityofthemodelLastthenewtypeofairflowdistribution

6、andtheexistingoHewerecomparednumericallyandenergy—efficientlybasedontheverifiedmodelThefollowingconclusionsaredrawnfromthisresearch：(1)TemperatureandvelocityfieldssimulatedbyCFDsoRwarepdrpakareralliedwiththeexperimentald

7、atawhichindicatesthatthesimulationmethodiscredible(2)TheoriginalairfloworganizationcankeeptheCOnCOurSeandtheplatforminasatisfactorytemperatureandairflowdistributionatthespecifiedfuturedate(3)111enewairfloworganizationofz

8、oneaircontrolCanke印theconcourseandtheplatformairqualityonanacceptablelevalatthespecifiedfuturedate(4)Comparedwiththeoriginalone，thenewairfloworganizationCallsave262％oftheairvolumeand40％ofthecoolingloadconsumptionatthepea