aspen10燕化高级培训班英文培训资料.-(部编)课件

CourseAgenda(1)UserInterface–Showimprovementstothegraphicaluserinterface,includingblockandstreamhandlingBasicInput–LookatenhancementstoSetupoptions,Components,andPhysicalPropertiesUnitOperations–Reviewenhancementstocolumns,heatexchangers,andreactors;plusnewmanipulatorblocksFileHandling–Illustratenewopen,import,andexportcapabilitiesCourseAgenda(2)SequentialModular(SM)Simulation–RunflowsheetsinSMmodeIntroductiontoEquationOriented(EO)Modeling–CompareEOandSMsolutionstrategiesBasicEOFunctionality–DemonstratethebasicfeaturesofEOmodeling,includingSpecgroupsandEOinputHeatIntegration–Createcomponentgroups,flowsheetsections,anduserconnectionsTroubleshootingEOSimulations–TroubleshootcommonerrorsinEOsimulationEquationOrientedOptimization–Optimizeaprofitfunction

UserInterfaceAspenPlus®11UpdateforVersion10UsersLessonObjectivesShowimprovementstothegraphicaluserinterface,includingblockandstreamhandling.SimulationTemplatesThreenewSimulationtemplatesareprovided:AspenIPEStreamPropertiesIncludesthreeexpandedpropertysetsPolymerwithEnglishandMetricunitsofmeasurementIncludesPOLYMERandSEGMENTdatabanksfromPolymersPlusPolymersProcesstype

offerseightphysical

propertymethodsNopredefinedProperty

setsRefineryTemplates(1)ThenewRefinerytabincludestemplatesthatallowfortheintegrationofadvancedrefinerymodels,suchasFCC,catalyticreformer,andhydrotreaterinanAspenPlusflowsheet.Containspre-selectedcomponentsandthermodynamicoptionsforspecificrefiningprocess.CheckthePreviewwindowintheNewdialogboxortheDescriptionsheetintheSetupSpecificationsform.RefineryTemplates(2)Pre-setComponents:Commoncomponents,suchasH2O,N2,C1…C8,oraromaticsRe-orderdatabanksearchlist,beginningwithETHYLENEAnincompleteassaynamedCRUDEHenryCompsgroupHENRY-1,ifapplicablePhysicalPropertiesoptions:Pre-selectedBaseMethod,orMakerecommendationsforaspecificunitmodelingsuchasvacuumunits;ifaspecificcomponentsuchasH2ispresent;oryouhaveveryheavycrudesNewpropertysetsthatreportpropertiesuniquetopetroleummixturesExport/importEOvariablesExecutesensitivityanalysisExecuteglobalscriptOpensolversettingsViewEOvariablesToolbarsTheDethermInternettoolbarbuttondisplaysa

differentgraphicinversion11.1toreflectchanges

inthegraphicaluserinterface;functionalityisthesame.Version11.1providesabrandnewEOshortcutstoolbar,whichdisplaysbuttonsforthemostcommonactionsrelatedtoEquationOrientedmodeling.Ifyoudonotseeeithertoolbar,selectView/Toolbarsfromthemenubarandactivatethemhere.ModelLibraryAspenPlusversion11.1offersacompletelynewlook:ModelLibraryblockiconsaredisplayedasthree-dimensionalobjectsastheyareintheProcessFlowsheetDiagramaswell.Thedefaultblockiconsarenolongerstrictlyasquarewithadescriptionlabel.Youhavethecapabilitytoturnoffthe3Dlookandviewtheiconsstrictlyintwodimensions.Youcanchangeandsaveiconsasdefaults.SimulationToolOptions(1)TherearethreenewsheetsintheToolsOptionsdialogbox.Theseare:StylesOnlineUpwardCompatibilityOpenthisdialogboxby

selectingTools/Options

fromthemenubarChangesmadeinthis

dialogboxbecome

globaldefaultsSimulationToolOptions(2)StylesYoucanchangethecolor,

style,andterminatorfor

material,heat,orwork

streams,connections,

andmeasurements.Youcantogglebetween

twodimensionsand

threefortheModel

Libraryicons.SimulationToolOptions(3)OnlineEntertheProgIDfor

runningthesimulationonlineUpwardCompatibilityAllowsyoutospecifywhich

componentsaremaintained

whenimportingafileintoa

newversion;thisincludes

databanks,property

methods,etc.SimulationToolOptions(4)ResultsViewInadditiontotheparametersthatcouldbedisplayedinversion10.2(temperature,pressure,massflowrate,andduty),youcanshow:VaporfractionMoleflowrateVolumeflowrate

Manipulatethenumberofsignificantdigitsbychangingthenumberthatprecedes“f.〞ModelLibraryIconDefaultsYoucansavethecurrentsettingsoftheModelLibraryiconsasdefaultsforallsubsequentsimulations.Forexample,supposeyouwantthedefaulticonfortheFlash2blocktobeH-DRUM(ratherthanV-DRUMasitisintheinstalledbaseversion): 1. ClickandchooseH-DRUMfromtheavailableFlash2 configurationsintheModelLibraryicondisplay. 2. SelectLibrary/SaveIcons. H-DRUMwillnowbethedefaultFlash2icondisplayedontheModelLibrarybarforallsimulations,neworexistingones.CopyingandPastingFlowsheetObjects(1)Youcancopyandpasteflowsheetobjectswhilemaintainingtheintegrityoftheinputdatawithintheinputformsfortheselectedstream(s)andblock(s). Highlightblock(s)and/orstream(s). ChooseSelectedCopyfromtheEditmenutomakeacopyof

theobjectswithinthedisplayedselectionrectangle. SelectEdit/Pastetopastetheselectedobjects.Youcanalsocopyobjectsfromonesimulationintoanother.YoucancopyanyinputdataincludingSetup,Components,andProperties,etc.Ashadedboxdenotesthatnodatawithinthisfoldercanbecopied/pasted.Bydefault,theselectedflowsheetobjects,blocksandstreams,arechecked.CopyingandPastingFlowsheetObjects(2)CopyingandPastingFlowsheetObjects(3)TheResolveIDConflictsdialogboxappearswhentwoormoreobjectsshare

thesamename.Youmustreplace,merge,

edittheID,addaprefix

orsuffix,ignore,orundo

theIDconflictsforthe

duplicateobjectnames

beforepastingthe

selectedobjectsonthe

flowsheet.Including/ExcludingFlowsheetObjects(1)Youcanactivateanddeactivatesimulationobjects(blocksandstreams)inboththesequentialmodular(SM)andequationoriented(EO)solutionstrategies.Selecttheblock,right-clickandchoose:SMDeactivatetodeactivateablockinSMmodeEOExcludetoexcludeablockinEOmodeThisallowsyoutofocusonproblemareasofasimulationbymodifyingorconvergingpartsofaflowsheetatatime.Youcanalsousethesecapabilitiestoeasilysimulatealternativeprocessconfigurations.Including/ExcludingFlowsheetObjects(2)AspenPlusintelligentlydeactivatesotherobjects,whichreferencedeactivatedblocksorstreams.Deactivatedandexcludedobjectsdonottakepartinasimulation,buttheycanstillbeexaminedandmodified.Intheequationoriented(EO)strategy,excludingobjectsremovestheequationsrepresentingtheexcludedobjectfromthesolutionmatrix.AnEOexcludedblockisrepresentedasashadedsquareontheflowsheetBasicInputAspenPlus®11UpdateforVersion10UsersLessonObjectivesLookatenhancementstoSetupoptions,Components,andPhysicalProperties.CustomUnitsYoucannowdefineadditionalunitsforanyphysicalquantitytypethroughtheSetupCustomUnitssheet.Enterthemultiplierandoffsetastomakethisequationtrue: 1customunit=multiplierbaseunits+offsetForexample,ifyouwantedtodefineafootintermsofinches,youwouldspecifythebaseunitinch,multiplier12,andoffset0.DescriptiveStreamNamesYoucannowenterdescriptivetextforthestreamnamesthroughtheStreamNamesbuttonontheSetupReportOptionsStreamsheet.ThesenameswillappearintheStreamDescriptionssectionofthegeneratedreport(.rep)file.Foreachname,selectthestreamIDfromthedropdownlistandtypeinthedesireddescription.Youarelimitedto78characters.PureComponentPropertiesAnewcomponentsReviewbuttonallowsyoutoexaminedatafromthedatabanksfortheselectedcomponents.15newpropertysetsofpurecomponentandtemperature-dependentdataaregeneratedinInputformsyoucanmodify.ComponentDatabanksTheprimarypurecomponentdatabankisPURE11,whichiscompatiblewithAspenPlusversion11.1.Itcontainsparametersforover1725components.ItisthemainsourceofpurecomponentparametersfortheAspenPhysicalPropertySystem,andformostcalculations,thePURE11

databankcontainsallthe

propertyparametersyou

need.OpentheComponents

SpecificationsDatabank

sheettoseeavailable

databanks.RefiningApplications(1)AspenPlus11.1providesnewcomponentcapabilitiesforethyleneandrefiningapplications.Theseinclude:AnEthylenedatabankcontainingpurecomponentandbinaryparametersforethyleneapplicationsHandlingofpetroleumpropertiesforlight-endcomponentsGraphicalandcalculationimprovementsforenteringassaydataUpdatedinputandresultsformsNewandimprovedDistillationcurveconversionmethodsIntegrationofPlotWizardforassaydataandresultsRefiningApplications(2)Newversion11.1Distillationcurveconversionmethods:ASTMD86toTrueboilingpointAPI87API92PMLASTMD2887toTBPTBPWTASTMD1160toTBPAPI63PMLRefiningApplications(2)UsetheComponentLight-EndPropertiesSpecificationsheettoenterpropertiesforthelight-endcomponentsinassays.1. ChoosethePropertyfromthe

Propertytypelist.2. Selectthecomponentfromthe

Componentlist.3. Enteravalueforthepetro-property

inthePropertyValuefield.AssayLibraryUsabilityUpdatesWhenyouclicktheAssayLibrarybuttonontheComponentsAssay/Blendfolder,youcanchoosefromoneoftwoassaylibraries:AspenPlusorPAssMan.TheAspenPlusassaylibraryisconsistentwithversion10.2.Inversion11.1,assaysarelistedwithextendednamesandacompletepreviewforeasier

selection.Eachcrudeassay

provides:GeographicSourceDistillationCurveSuppliedPropertyCurvesSuppliedSourceofDataAssayPlotWizard(1)YoucannowplotassaydatathroughthePlotWizard.ThisnewfunctionalitymeansthatyoudonothavetorunthefileinAssayDataAnalysismodebeforegeneratingTBP/ASTMD86plots.1. Enterthedistillationdata

intheComponentsAssays

DistCurvesheet,asusual.2. Whenfinished,selectPlot

WizardfromthePlotmenu.3. Clickonthedesiredplot

andclickNext>tocontinue.AssayPlotWizard(2)Plotgenerationwilldependonthedatayouentered.Thatis,certainplotswillbeinactiveinthePlotWizardStep2dialogbox.Forexample,youcannotgenerateaMolecularWtplotatthispointwithoutenteringtherelateddata.However,youcanrunthePlotWizardafteryou’veexecutedthesimulationinFlowsheetorAssayDataAnalysisrunmode;plottheresultsonthePetroCharacterizationResultsform.AssayPlotWizard(3)YoucanalsoopenthisPlotWizardfromtheStreamsInputorResultsforms(ifapplicable).Youcanplotmultiplestreamsfromthisform.PhysicalProperties(1)NewPhysicalPropertymethodsforethyleneandrefiningapplicationsinclude:Maxwell-BonnellpropertymethodformixturesofhydrocarbonsinvacuumandlowpressureapplicationsTheMaxwell-Bonnellmodelforvaporpressureisusedtocomputeliquidfugacitycoefficient(K-values)Improvedequation-of-statemodelsforhandlingwater-petroleummixturesSTMNBS2isanewpropertymethodforthefree-waterphaseAPISOURpropertymethodhandlescomponentsotherthanwater,ammonia,carbondioxideandhydrogensulfidePhysicalProperties(2)Prop-Setsphysicalproperties:Asimplifiedwaterdewpointforhydrocarbonsystems(PH2OTDEW)Compositionsumsforasetofcomponents,i.e.,allC5hydrocarbons(SUM-MLFR,SUM-MSFR,SUM-VLFR)RatioofcomponentssubsetAtobasesetofcomponents,i.e.,molefractionofbutadienetoallC4hydrocarbons

(RAT-MLFR,RAT-MSFR,RAT-VLFR)Conradsomcarboncontent(COCARBON),Brominenumber(BROMINE),Asphaltenecontent(ASPHALTE),andCetanenumber(CETANENO)MolecularStructureYoucanviewthemolecularstructureofacomponentifitexistsinthedatabankorifyouloadthemolecularstructurefromafile:ClickImportStructuretoloadthestructurefromanMOLmolefilecreatedinathird-partymolecularmodelingprogram.ClickCalculateBondstofillintheGeneralsheetwiththeconnectivitydatafromthemolecularstructure.DethermInternetInterface(1)TheAspenPlusgraphicaluserinterfacetoDethermontheInternethasbeenupdatedinversion11.1.1.Enteryourcomponents,thenclicktheDETHERMInterface buttononthetoolbar.2. SetSelectedComponents.3. Choosethedesiredproperty

fromAvailablePropertieslist.4. ClickOK.Youareconnected

toDethermontheweb.5.Checktheboxofthedataset

youdesire,andclickNext>.6. Clickon‘proceedtologinanddownloadthedatacart.’7. EnteryouruserIDinformationandpassword.

ThedataarethentransferredintoAspenPlus.DethermInternetInterface(2)UnitOperationsAspenPlus®11UpdateforVersion10UsersLessonObjectivesReviewupdatestoColumns,Heatexchangers,andReactors;plusnewManipulatorblocksColumnBlocksNewAspenPlus11.1columnfeaturesinclude:Sizingof4-passtraysforallcolumntypesVersion10.2supportedonlytwopassesoneachtrayThermaltrayefficienciesforthePetroFracblockaccountsforthermaldeviationsfromequilibriumColumnTargetingtoolprovidesdebottleneckingcapabilitiesforallcolumntypesThermalTrayEfficienciesinPetroFrac(1)Thermaltrayefficienciesareusedtomodelthethermalnon-equilibriumeffectsfoundinlargerefinerycolumns,suchascrudecolumns,catalyticcrackers,andcokermainfractionators.Thermaltrayefficiencyallowsthevaporandliquidtemperaturestobedifferent(notatequilibrium),thusallowingforthecalculationofbothacompositionalandathermaldeviationfromequilibrium.Incontrast,Murphreetrayefficienciesassumethermalequilibriumbetweenthevaporandliquidphases.Thermalefficienciesaredefinedfrom0.0to1.0,with1.0correspondingtoanidealstageatthermalequilibrium.ThermalTrayEfficienciesinPetroFrac(2)RecommendationsVaporthermaltrayefficienciesshouldbeusedwherehighand/orsuperheatedvaporflowsdominatethecolumnprofile.Liquidthermaltrayefficienciesshouldbeusedintheoppositesituationwherehighand/orsubcooledliquidflowsdominatethecolumnprofile.Onlyoneofthesetwotypesofthermalefficiencycanbeusedonanygivensectionofthecolumn.Thesedataareinputonthe

BlocksColumnEfficiencies

Thermalsheet.ColumnTargeting(1)TheColumnTargetingtoolofferscapabilitiesforthermalandhydraulicanalysisofdistillationcolumns.Duringdesignorretrofitanalysisofaprocess,thesecapabilitiescanbeexploitedtoidentifythetargetsforappropriatecolumnmodificationsinorderto:ReduceutilitiescostImproveenergyefficiencyReducecapitalinvestment(byimproveddrivingforces)FacilitatecolumndebottleneckingThesecapabilitiesareavailablefortheRadFrac,MultiFrac,andPetroFraccolumnmodels.ColumnTargeting(2)Thethermalanalysiscapabilityisbasedontheconceptofminimumthermodynamicconditionforadistillationcolumn.Theminimumthermodynamicconditionpertainstothermodynamicallyreversiblecolumnoperation.Inthiscondition,adistillationcolumnwouldoperateatminimumreflux,withaninfinitenumberofstages,andwithheatersandcoolersplacedateachstagewithappropriateheatloadsfortheoperatingandequilibriumlinestocoincide.Inotherwords,thereboilingandcondensingloadsaredistributedoverthetemperaturerangeofoperationofthecolumn.

ColumnTargetingPlots(1)Stage-Enthalpy(Stage-H)orTemperature-Enthalpy(T-H)profilesforsuchacolumnthereforerepresentthetheoreticalminimumheatingandcoolingrequirementsinthetemperaturerangeofseparation.TheseprofilesarecalledtheColumnGrandCompositeCurves(CGCCs).ActivateontheColumnReportPropertyOptionssheet.ColumnTargetingPlots(2)ThePlotWizardoffersfournewplottypes:CGCC(T-H):TemperatureversusEnthalpyCGCC(S-H):StageversusEnthalpyHydraulicsAnalysis:ThermodynamicIdealMinimumFlow,HydraulicMaximumFlowandActualFlowforeachStageExergyLossProfile:StageorTemperatureversusExergyLossUsetheSRKPropertyMethod15stagesFeedstage3TopstageP=200kPaDistillaterate=400kmol/hrColumnTargetingExampleFlow=1000kmol/hrTemperature=100°CPressure=2.4bar0.2Molefractionofeach: Heptane Octane

Nonane Decane

PentadecaneCOLUMNFEEDOVHDBTMSExaminetheconfigurationofthiscolumnanddeterminepossibilitiesfordesignmodification:Resultsdependstronglyontheselectionoflightkeyandheavykeycomponents.Theycanbebasedon:User-definedComponentsplitfractionsK-values(default)ColumncompositionprofilesSpecifyontheColumnReportTargetingOptionssheet.UsetheColumnReportTargetingSpecificationssheettospecifyparametersfortheselectedmethod(optional;exceptforwhenyouselectUser-defined).ComponentSelectionColumnTargetingApplicationsColumnGrandCompositeCurveshelpdeterminepossiblecolumnmodifications,including:FeedlocationRefluxratiomodificationsSidecondensingorreboilingFeedconditioning(heatingorcooling)TheHydraulicsAnalysisandExergyLossprofileswillhelpconfirmtheneedforimprovementstocolumndesignandoperation.DeterminingtheFeedLocationStage-HCGCCplotscanidentifydistortionsduetoinappropriatefeedplacement.Theyareapparentassignificantprojectionsatthefeedlocation(pinchpoint),duetoaneedforextra

localrefluxtocompensate

fortheinappropriatefeed

placement.Acorrectlyplacedfeedatstage7removesthedistortionsintheStage-HCGCCplot.ModifyingtheRefluxRatioThehorizontalgapbetweentheT-HCGCCpinchpointandtheordinaterepresentsthescopeforareductioninrefluxratio.Astherefluxratioisreduced(whileincreasingthenumberof

stagestopreservetheseparation),theCGCCwillmovetowardstheordinate,thusreducingboththereboilerandcondenserloads.Reducetherefluxratioto

1.5anduse30stagesto

preservetheseparation.IntegratingSideCondensingorReboilingThescopeforsidecondensingorsidereboilingcanbeidentifiedfromtheareabetweentheidealandactualenthalpyprofiles.Ifasignificantareaexists,sayabovethepinch,aside-reboilercanbeplacedatanappropriatetemperaturelevel.This

allowsheatadditiontothecolumnusingacheaperhotutility.TheareaonthereboilersideoftheCGCCisreducedbyusingasidereboileratstage22withadutyof6.5MW.ConditioningtheFeed(1)Feedconditioningisnormallypreferredtosidecondensingorsidereboiling,assuchmodificationsareexternaltothecolumnandpotentiallyatamoreconvenienttemperaturelevel.Theneedforan

adjustmentoffeedquality

canbeidentifiedfrom

sharpenthalpychanges

ontheeitherCGCCplot.Afeedthatisexcessively

sub-cooledwillshowasharp

enthalpychangeonthe

reboilerside.Therefore,our

designmaybenefitfrom

addingafeedpre-heater.ConditioningtheFeed(2)ExergyAnalysisprovidesasupplementarytoolinidentifyingthesamedesignmodificationtargets.Forexample,examinetheexergylossprofilesfortwocolumndesigns:Thehighexergylossatthe

feedstagehasbeenreduced

substantiallybypre-heating

thefeed.ConditioningtheFeed(3)HydraulicAnalysisresultsshowhowthevaporandliquidflowsinthecolumncomparewiththeminimumandmaximumlimits.Thiscomparisoncanbeusedforremovingpossiblebottlenecksindistillationcolumns.Pre-heatingthefeedto115°Cnotonlyimprovedthethermalefficiencyofthisdesignbutalsoeliminatedthevaporflowbottleneck.HeatXBlock(1)WithAspenPlus11.1,youcan:Determinethenumberofshellsinseriesrequiredtomeetaspecifiedminimumexchangereffectiveness.Specifyhotoutletandcoldoutlet(HOCO)temperatureapproachforcounter-currentflowexchangers.UsetheMinimumtemperatureapproachtolimittheperformancethroughouttheexchanger,notjustattheend-points.TheSimulationCalculationtypereplacestheGeometryExchangerspecificationusedinversion10.2.HeatXBlock(2)SwitchbetweenexplicitRatingorSimulationcalculationmodeswithoutlosingdatafromtheothermode.EnhancetheLMTDcalculationswhenaphasechangeoccursbyusinganewintervalanalysisoption.AvailableinShortcutmethodandactivatedontheHeatXLMTDmethod.SeamlessintegrationoftheAspenHetrangraphicaluserinterfaceintotheHeatXblockforms.AccessingHetranfromwithinHeatXHetranistheinterfacetotheB-JACHetranprogramfordesigningandsimulatingshellandtubeheatexchangers.TouseHetraninAspenPlus: 1. PlaceHeatXblockontheflowsheetandconnectthestreams. 2. SpecifyHetran-RigorousastheCalculationmode. 3. ChoosetheType:DesignRatingSimulationHetranOptionsWithinHeatXIntheHetranOptionsform,typeinthepathoftheHetraninputfileandenteranyinputfortheHetranprogram,suchasfoulingfactorsthataffecttheheatexchanger'sperformance.AccessingtheHetranBrowserFromtheHeatXHetranBrowser,youcanenteralltheHetranInputandviewResultssummaries.RYieldBlockVersion11.1providesanewYieldSpecificationtypecalledPetrocharacterization.Whenselected,youthenenterdataontheAssayAnalysisformtore-characterizetheassayorblend.Provideatleast:FourpointsofadistillationcurveAbulkgravityvalueoragravitycurvewithfourpointsormoreYoucanalsoenteramolecularweightcurveforpetroleumcharacterizationand/orpetroleumpropertiesandviscositycurvesfortheassay.SomegraphicalenhancementshavebeenmadeinenteringdataontheComponentmappingsheet.RCSTRBlockRCSTRallowsmultipleoutletstreams,uptothree,fortheseparationofVapor,Liquid1,andLiquid2(orFree-Water)productstreams.Version10.2onlyallowedforasinglemixedproductstream.ManipulatorBlocksAspenPlus11.1providesfournewManipulatorblocks:AnalyzerQtvecMeasurementFeedblUsedonlytomaintaincompatibilitywithFeedblblocksin

RT-OPTversion10.0.ThisblockisnotrequiredforuseinAspenPlus11.1.AnalyzerBlock(1)TheAnalyzerblockisamoleflowbasedmodelusedtocalculatevaluesofstreampropertiesandcomponentfractionsatspecifiedconditionsforuseintheequation-oriented(EO)simulationYoucanhaveAspenPluscreateEOvariablesthatarenotautomaticallygeneratedfromsynchronizingtheflowsheet,i.e.,massfractionsYoucanspecifyoneinletandoneoutletmaterialstream,orreferenceastreamtoanalyzeontheInputform.AnalyzerBlock(2)IthasnoeffectonthestreamTheoutletstreamisacopyoftheinletstream.Itcalculatesrequestedstreampropertiesatspecifiedconditions:Defaultconditionsarethesameasreferencedstreamconditions.Youcanspecifytemperatureorvaporfractioninadditiontopressure.

StepsforSettingupanAnalyzerBlock1. AddanAnalyzerblocktotheflowsheet.2. IntheAnalyzerInputform,referenceastream

by choosingitfromtheReferencedstreamlist.Enteroptionaldataincludingpressure,temperature,andvaporfraction.Ifnotspecified,currentprocessconditionsareused.3. OntheAnalyzerProp-Setform,selectanexisting Propertysetorcreateanewone,i.e.,PS-1.4. IfyoucreateanewProp-Set,selectasinglePhysical PropertyinthePropertiesProp-SetPS-1Properties sheet,i.e.,MASSFRAC.TheQtvecblockisaloadstreammanipulatorthatcanbeusedtocombinemultipleheatstreamsintoasingleloadstreamortoaddanadditionaltemperatureanddutypointtoanexistingloadstream.Specifystartingtemperatureoftheoutletloadstream,orSpecifytemperaturedifferencebetweenthefirsttwopointsoftheloadstream(bydefault,DT=0).QtvecBlockQVTECMHEATXLoadorHeatLoadLoadstreamsaredefinedontheSetupStreamClassLoadStreamssheet.MeasurementThemeasurementblockisusedtodefineplantmeasurementsfordatareconciliationpurposes.Itprovidesa:WayofrelatingplantmeasurementstomodelpredictionsMechanismforenteringvaluesforplantmeasurementsYoucanalsospecifyanobjectivefunctionintermsofmeasurementoffsetsandstandarddeviations.Withameasurementmodel,youcan:AddandconfiguremeasurementsEnterplantandoffsetvaluesformeasurementsConnectmeasurementstoclosedandopenvariables.HierarchyBlockHierarchiesarenotnewtoAspenPlus,howevertheirfunctionalityhasbeengreatlyimprovedinversion11.1: Blockscanbemovedamonghierarchies. Thecontentsofahierarchyblockcanbeexportedtoa standalonesimulationforindependentwork. Hierarchyblockscanbe

integratedtogetherusing

animportfacility.

CalculatorBlockCalculatorresultsforeachDefinevariableaccessedthroughtheCalculatorInputDefinesheetaredisplayedontheResultsDefineVariablesheet.ThisappliesforbothaFortranandanExcelcalculator.ItisnolongernecessarytoincreasetheDiagnosticslevelortoincludeaWRITEstatementintheFortrancodetoviewCalculatorresults.EOOptionsCommontoEveryBlockEachblockcontainsanEOOptionssheetwhereyoucanspecifyequation-orientedoptionsfortheblock,including:Componentgroupof

activecomponentsScriptmethodusedAdditionalEOoptionsKeywordinputnot

includedintheGUIOptionsspecifiedheretakeprecedenceoveranyotheroptionsspecifiedinotherEOOptionssheetswithregardstothisblock.FileHandlingAspenPlus®11UpdateforVersion10UsersLessonObjectivesIllustratenewopen,import,andexportcapabilities.PRO/IIInputConversionTool(1)AspenPlusversion11.1offersaPRO/IIconversioncapabilitytoassistusersinthemigrationofsimulationspecificationsfromPRO/IImodelstoAspenPlus.Beforeconvertingafile,setthePRO/IIInputconversioncapabilitiesontheToolsOptionsdialogbox.ToalwaysretaintheblockdatainformationofwhichAspenPlusiscapableofmappingfromthePRO/IIinputfiletoAspenPlusblockvariables,checkthisbox:Unchecked(default),AspenPlusonlycreatestheflowsheetanddoesnotattempttospecifydatainblocks.PRO/IIInputConversionTool(2)ToconvertaPRO/IIinputkeywordfileforuseinAspenPlus11.1:1. ChooseFile/Openfromthemenubar.2.SelectthePRO/IIInputfileoptionfromFiletypelist.3. SelecttheappropriatePRO/IIinputfileandclickOpen.Adialogboxappears,displayingtheconvertedandunconvertedinputkeywordspecifications