建筑性能模擬軟件回顧C(jī)harliandMahabir課件

EnergyEfficientWindowsandBuildingDesign

*SoftwareWorkshop*

BuildingSimulationToolsNewDelhi-November22-23,2002Bangalore-November25-26,2002Instructors: BipinShah,NFRC Charlie?ur?ija,CEERE MahabirBhandari,CEERESponsoredby: U.S.DepartmentofEnergy(DOE)

NationalFenestrationRatingCouncil(NFRC) CenterforEnergyEfficiencyandRenewableEnergyatthe UniversityofMassachusetts(CEERE)OverviewWhybuildingsimulation(BS)tools?ApplicationofBStoolsAvailableBSToolsHowtochooseasimulationtool?PerformingbuildingsimulationExample:CaseStudyCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002WhyBuildingSimulation(BS)Tools?Toanswer“WhatIf”questionsAninexpensivemeansforexploringaplethoraofdifferentdesignoptionsandHVACsystemsAidintheanalysisofenergyusageinbuildingEnergyconservationstudiesBuildingdesignstudiesEnergysavingpotential:energyefficientdesignandoperationBuildingperformanceinvolvescomplexinteractionsanddesignercanexperimentwithdifferentstrategiesquicklyHelpindesigningthebuildingstoconformwithBuildingcodesCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002AvailableBSToolsDOE-2:WholebuildinganalysisprogramInterfaceaseQuest,PowerDoe,VisualDoe,etc.BLAST:buildingLoadAnalysisandSystemThermodynamics.UsesheatbalancemethodEnergyPlus:CombinationofDOE&Blast+additionalfeaturesEnergy10:ForresidentialandsmallcommercialbuildingsI.e.buildingswithoneortwozonesorsmall(<10,000ft2)BuildingDesignAdvisor:EarlystagesofdesignandoptimizationTRNSYS:DesignedtosimulatethetransientperformanceofthermalenergysystemCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002BSToolsContd.TSBI3:EasytouseflexibleprogramdevelopedbyDanishBuildingResearchInstitute,ModularESP-r:MajorEuropeantool.Publicdomainprogram,onlyUnixenv.,selflearningmodulesCOMBINE:Integratesmorethan10designtoolsintoanIntergraphbasedarchitecturalCADsystemMoreinformationontheseandothersimulationtools:CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002Specialized/ComponentTools

ToprovidethedetaileddescriptionofkeycomponentssuchasDetailedFramecalculationsThermalbridgesor2-DheattransferatwindowwallinterfaceAirflowsFenestrationsystemsThedetailedresultsaremoreaccurateandactasinputtothewholebuildingsimulationmodelCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002LifeCycleAnalysisTools:PartialListBEES2.0Basedonconsensusstandards(ASTME917,ASTME1557,ISO14040andASTME1765)

BLCCEvaluationofEnergy&waterconservationandRenewableenergyprojects;ComparativeeconomicmeasuresATHENAenvironmentalmeasures:embodiedenergy,resourceuse,airandwaterpollution,greenhousegaseffectsandtotalsolidwastesproduced.LISALCAinSustainableArchitectureMostcasestudiesforAustraliaandUKLCCIDRankingofprojects,savings-to-investmentratio,discountedpaybackperiodUniversityofIllinois,UC

EnvestForOfficebuilding:-ecopointAvailablefromBREUKCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002DOE2Apublicdomainprogramforbuildingenergyanalysis;sponsoredbyDOEItisaportableFORTRANprogramandcanbeusedinlargevarietyofcomputersincludingPCsPredictshourlyenergyuseandenergycostINPUTS:Hourlyweatherinformation,buildingdescriptionandHVACsystemandutilityratesStructureBDL,Loads,Systems,PlantsandEconomicsSequentialmethodtolinkthesemodelsUsesweightingfactormethodDefaultlibrariesforbuildingconstructionCanuseMetricandEnglishunitsUsesEnergyconservationstudiesBuildingdesignstudiesCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002DOE2flowdiagramWeatherprocessorPackedweatherKeywordfile(BDLKEY.BIN)StdLib(BDLLIB.DAT)Userlib(USRLIB.DAT)CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002DOE2:GUIsBDLdifficulttocreateandusersneedtorememberanumberofrelatedkeywordsGraphicalUserInterfaces:eQuest:Freewareandeasytouse.PowerDoe:GraphicalpresentationofbothbuildingdescriptionanddisplayofresultsPowerDoe:ComprehensiveGUIVisualDoe:Roomscanberepresentedbyblock,easefacades,designalternativesofdragdrop,Customblockeditor,customOther…CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002DOEwithGUI:eQuestEasytouseandfreesimpleGraphicalUserInterfaceforquickenergyanalysisOnly31sheetsofdetailsandcanbemasteredin2-3hoursDefaultvaluesandonlinehelpavailableUsesDOE2.2assimulationengineWizardmodehasnoflexibilityofchangingdatabutuserinputscanbeprovidedinspreadsheetmodeand/orbyeditingthedefaultlibraryCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002eQuest:WizardCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002eQuest:SpreadsheetviewCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002eQuest:OnlineHelpCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002eQuest:3DviewCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002SummaryofPowerDoeProvidesdetailsspecificationsofbuildinggeometryandHVACsystemsAvailableonlinehelpLibrariesforconstruction,HVACsystems&weatherlocales;librarycanbemodifiedoruserspecificlibrarycanbedefinedFutureadditions:ProcessrefrigerationandequipmentRuleprocessorandautomateddesignWizardforbuildingtypesCreatinginputdata(buildinggeometry)isverytimeconsumingandrequiresagoodamountoffamiliaritywiththeprogramAvailability:CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002EnergyPlusDevelopment:ItwasbecomingdifficultandcostlytomaintainDOEandBLASTbothsupportedbyUSgovernmentBasedoncombinedfeatures&capabilitiesofBLAST&DOE2butisacompletelynewprogramwritteninFORTRAN90/95Newfeatures:Integrated(simultaneousloadsandsystems)simulationVariabletimestepsUser-configurablemodularsystemMultizoneairflowMoisturetransferinbuildingcomponentsInputandoutputstructurestailoredtofacilitatethirdpartydev.CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002StructureofEnergyPlusSimulationManagerControlstheinteractionsbetweenallsimulationloopsModulesareselfcontainedHeatandMassBalanceCanconnecttoCOMISformulti-zoneairflowToWINDOW5forfenestrationBuildingSystemsSimulationControlsthesimulationofHVACandelec.systems,equip,componentsInput,Output&WeatherDataCanreaddatafromCAD,DOE,BLASTReadablebutnotuserfriendlyIAIdevelopinganobjectorienteddataprotocol(IFC)forbldginf.exchangeVeryfewdefaultassumptionsCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002EnergyPlusScreenCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002SummaryofEnergyPlusFeaturesInthepreliminarystageofdevelopmentModularstructuregivesflexibilityofaddinginterfacesandcomponentsMoreaccuratesimulationenginethanDOEandBLASTTimeconsumingtaskofbuildinggeometryinputwillbedrasticallyreducedbyuseofIFCsVersion1.0isavailableandisfreeofchargefrom:BSProComserverforICfilesisavailableat:CenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002

BuildingDesignAdvisorActsasdatamanagerandprocesscontrollerIntegratesuseofmultiplesimulationtoolsanddatabasesCurrentversionhasDaylighting(DCM),Electriclighting(ECM)andEnergyanalysis(DOE2)linkedCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002TRNSYSTransientperformanceofthermalsystemsModularapproachtosolvesystemsofcomponentsEachcomponentisaFORTRANsubroutineNewcomponentcanbegeneratedeasilyGUIIISiBatavailableCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002RADIANCEHighlyaccurateraytracingsoftwareForanalysisandvisualizationinlightingdesignPredictsillumination,visualqualityandappearance,performanceofnewlightinganddaylightingtechnologiesInputs:Geometry,materials,luminaries,time,date,skyconditionsCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002COMISInter-zonalairflowmodelTransportationofcontaminantsStandaloneorcanbeintegratedintoBSmodelsIISiBatasGUICenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002WUFIWindowbasedmodelforhygrothermalanalysisofbuildingenvelopeconstructionsInfluenceofdrivingrainonexteriorbuildingcomponentsInvestigatethedangerofinterstitialcondensationDevelopedbyORNLandFraunhoferInstCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002BEES2.0

BuildingforEnvironmentalandEconomicSustainabilityWindows-baseddecisionsupportsoftwareEnvironmentalperformancebasedonISO14040EconomicperformancebasedonASTME971includesactualenvironmentalandeconomicperformancedatafor65buildingproductsCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002BLCC5.0

BuildingLife-CycleCostWindowbased,programmedinJavawithXMLformatForenergyandwaterconservationinbuildingsEvaluatesalternatedesignbothinnewandexistingbuildingsCalculateslowestLCCi.e.whichdesignismosteconomicalinlongrunEconomicmeasuresforalternativedesignincludingnetsavings,SIR,adjustedIRRandpaybackperiodEnergysavingsandemissionreductionCenterforEnergyEfficiencyandRenewableEnergy,UMass,Copyright,2002ATHENALifeCycleEnv.EffectsofacompletestructureorofindividualassembliesPresentlysteel,wood&concreteproductsandassemblies;Experimentwithalternativedesignanddiffe