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ID:37616227
大小:368.84 KB
页数:60页
时间:2019-05-26
《氨水工质热力循环系统的特性(英文版)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、POWERCYCLESWITHAMMONIA-WATERMIXTURESASWORKINGFLUIDAnalysisofDifferentApplicationsandtheInfluenceofThermophysicalPropertiesEvaThorinDoctoralThesis2000DepartmentofChemicalEngineeringandTechnologyTRITA-KETR119EnergyProcessesISSN1104-3466RoyalInstituteofTechnologyISRNKTH/KET/R--119--
2、SEStockholmSwedenContactinformation:RoyalInstituteofTechnologyDepartmentofChemicalEngineeringandTechnologyEnergyProcessesS-10044StockholmSwedenCopyrightÓEvaThorin,2000.Allrightsreserved.PrintedinSwedenKTH,HögskoletryckerietStockholm2000PowerCycleswithAmmonia-WaterMixturesasWorkin
3、gFluidAnalysisofDifferentApplicationsandtheInfluenceofThermophysicalPropertiesEvaThorinDepartmentofChemicalEngineeringandTechnology/EnergyProcesses,RoyalInstituteofTechnology,Stockholm,SwedenAbstractItisofgreatinteresttoimprovetheefficiencyofpowergeneratingprocesses,i.e.toconvert
4、moreoftheenergyintheheatsourcetopower.Thisisfavorablefromanenvironmentalpointofviewandcanalsobeaneconomicadvantage.Touseanammonia-watermixtureinsteadofwaterasworkingfluidisapossiblewaytoimprovetheefficiencyofsteamturbineprocesses.Thisthesisincludesstudiesofpowercycleswithammonia-
5、watermixturesasworkingfluidutilizingdifferentkindsofheatsourcesforpowerandheatgeneration.Thethermophysicalpropertiesofthemixturearealsostudied.Theyplayanimportantroleinthecalculationsoftheprocessperformanceandforthedesignofitscomponents,suchasheatexchangers.Thestudiesconcerntherm
6、odynamicsimula-tionsofprocessesinapplicationssuitableforSwedishconditions.Availablecorrela-tionsforthethermophysicalpropertiesarecomparedandtheirinfluenceonsimula-tionsandheatexchangerareapredictionsisinvestigated.Measurementsofammonia-watermixtureviscositiesusingavibratingwirevi
7、scometerarealsodescribed.Thestudiesperformedshowthatpowercycleswithammonia-watermixturesastheworkingfluidarewellsuitedforutilizationofwasteheatfromindustryandfromgasengines.Theammonia-waterpowercyclescangiveupto32%morepowerintheindustrialwasteheatapplicationandupto54%morepowerint
8、hegasenginebottomingcycleapplicationcomp
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