公路隧道空气质量模拟与控制_陈文艺

:XI~XS__2006520066::::,。,,。。。:~`,。、、、。,。():、。```:,4DissertationSubmittedtoChang'anUnviersityFofTheMasterDegreeofEnvironmentalEngineeringTheSimulationnadConirolofAirQualiytInsideRoadTunnelyBCHENWENYIDirectedbyPro.fDengShunxiJune,2006():,,,,。,,,、、。,,。CboFosrterKnae,COHbco,OHb]2.0%,CO,40km1,CO105ppm。,,,,。,。,、,,,。,。。,CO,HCNO、。2.5m/S,(2010)CO157ppm,(2015)CO204ppm,(20202025)CO。:;;;TheSimulationandControlofAirQualiytInsideRoadTunnelChene/nyi(EnvironmentalEngineering)DireetedbyPro.fDengShunxiAbstarctHighwyatunnel15arelativeobturatesPaee,50theatmosPheriedisionProeess15limitednadtheairPollutantsemittedbymotorvehielesPassinghtetunnelemuulatePutoahighlevelinsidehighwyatunnel,dePressinghteairqualiytnadendnageringthesaeftyofvehielesdrivinghrtouhghtetunnel.InthisPpaer,theofeus15PlacedonhtePorblemofairPollutioninhighwyatunnel,nadthePrimePuproseofhigwhyatunnel,5airqualityProteeiton15tomkaesuerthatit15healhtyofrhumnanadsaefofrvehielestoPassthrough.AtthebeginningofthisPpaer,wehvaenaintorductionofairPollutionanditsharlnuflnessinsidehighwyatunnel,thenheteoneentrationlimitlevelofCO,hteairuqalitymodelinhihgwyatunnelnadsensitiviytnaalysisofhtemodel'5parmaetersareeondueted.onthebasisofhtemodel,theairPollutionsinhteQinlingZhongnnashnahighwaytunnelearSimulated.InthisPpaer,weealeulatedthefractionofCoHbinhumnabloodasaufnetionofexPosuertimenadCOconeentrationintheairbreathedonhtebasisoftheCobmForsterKnaeequation,nadthentherelationshiPbetweenCOconeenrtationuPPerlimitnadhtetimehtevehielesPassingthroughthehighwaytunnel15builtuPinordertomkaesurehtathtefraetionofCoHbinhumnablooddosenotexeeed2.0Pereent.TheresultindieatesthathteCOeoneentrationuPPerlimit15105PPmwhenthevehielesPassthroughhteQinlingZhongnnashanhighwaytunnelatthesPeedof40kin.Aeeordingtothestureturaleharaeteristiesofthehighwaytunnel,naonedimensionnumeriealmodelofrtheeoneenrtationdistributionofairPollutantSinsidehighwaytunllel15estbalishedbasedontheequationofatmosPheriedision.Theonedimensionequation15solvedusingfinitevolmuemodel,nadhtestabiliytofsolutionProeess15alsodiseussed.InordertoinvestigatetheeeffetsofsomestureturalnadenviromnentalParmaetersonPollutanteoneentartiondisrtibutionsinsidethetunnel,htesensitiviytnaalysisoftheParmaetersinthemodel15earriedout.TheersultindieatesthatwindsPeedalongthetullnelnadthePollutnatemissionratesfrommotorvehielesarehtemostimPortnatacftorsthataeffettheeoneenrtationdistributionsofthePollutantSinthetunnel,theeeffetsofinitialPollutnateoneentrationsnadboundayreoneenrtationsearlessimPortnathtnahtendsPeednadthePollutnatemissionrates.LimitedbyhtesPaeeofhtetullnel,theeeffetofatmosPheriedisionProeessonhtePollutnatconcentrationdisrtibutionsinsidethetunnelenabenegleet.TheairPollutioninsidehteQinlingZhongnnashnahighwyatunnelthelongesttunnelPassingmountaininhteworld15quiteserious.TheairuqaliytinsidethetunnelinunnringPeriod15simulatedusingthemodelestbalishedinhtePpaer,hteersultsuggeststhatCO15htePrimaryairPollutantsinsidehihgwayutnnel,nadhteeoneenrtationsofHCnadNO、earlowereorresPondingl.yUnderhteeonditionofthewindsPeedinsidehtetunnel152.sm/s,hteCOeoneenrtationsnearhteexitPortalofhtetunnelwillbe157PPmduringtheurshhouroftarffieinthenearufture(2010ye)ar.Inthemidtemr(2015year),theCOconeenirationneartheexPortofthetunnel11ineerasetoZO4PPm.Inhtelongtemr(20202025yea)r,hteairqualiytinsidehtetunnelwilldeeeraseobviouslywhenhteshaftsareoPerating.Keywords:hihgwaytunnel:airPollution:airqualitysimulation:sensitivitynaalysis1................................................................-......……11.1..................................................................................……11.2..............................................……,............……2,︼1.2.11,2.21.3......……,..............................................……52..............................……72.1..................................................……72.1.1..............................................……72.1.2.......................................……72.1.3........................................……102.1.4..............................……102.2CO.......……,....................................……n2.2.1CO...............................................……n2.2.2COHb......................................……122.2.3COHb.........................................……152.2.4CO............……2.3..........................……17........................……,,192.3.1Q92.3.22.3.3...............................................……232.4.............................................................……`.........……,.…33...........................................……253.1···················································……253.1.1·································……253.1.2—·············································……273.1.3·····················,·······················……293.2···········································,···················……303.2.1····························································……303.2.2·············································……33.32·3·····················································……~··…333.3···································