@ArcLib@ArcLib2021ASHRAEHANDBOOKFUNDAMENTALSASHRAE,180TechnologyParkway,PeachtreeCorners,GA30092www.ashrae.orgSIEdition@ArcLib@ArcLib©2021ASHRAE.Allrightsreserved.DEDICATEDTOTHEADVANCEMENTOFTHEPROFESSIONANDITSALLIEDINDUSTRIESNopartofthispublicationmaybereproducedwithoutpermissioninwritingfromASHRAE,exceptbyareviewerwhomayquotebriefpassagesorreproduceillustrationsinareviewwithappropriatecredit;normayanypartofthisbookbereproduced,storedinaretrievalsystem,ortransmittedinanywayorbyanymeans—electronic,photocopying,recording,orother—withoutpermissioninwritingfromASHRAE.Requestsforpermis-sionshouldbesubmittedatwww.ashrae.org/permissions.VolunteermembersofASHRAETechnicalCommitteesandotherscompiledtheinfor-mationinthishandbook,anditisgenerallyreviewedandupdatedeveryfouryears.Com-ments,criticisms,andsuggestionsregardingthesubjectmatterareinvited.AnyerrorsoromissionsinthedatashouldbebroughttotheattentionoftheEditor.Additionsandcorrec-tionstoHandbookvolumesinprintwillbepublishedintheHandbookpublishedtheyearfollowingtheirverificationand,assoonasverified,ontheASHRAEwebsite.DISCLAIMERASHRAEhascompiledthispublicationwithcare,butASHRAEhasnotinvestigated,andASHRAEexpresslydisclaimsanydutytoinvestigate,anyproduct,service,process,procedure,design,orthelikethatmaybedescribedherein.Theappearanceofanytechnicaldataoreditorialmaterialinthispublicationdoesnotconstituteendorsement,warranty,orguarantybyASHRAEofanyproduct,service,process,procedure,design,orthelike.ASHRAEdoesnotwarrantthattheinformationinthispublicationisfreeoferrors.Theentireriskoftheuseofanyinformationinthispublicationisassumedbytheuser.ISBN978-1-947192-90-4ISSN1523-7230Thepaperforthisbookisbothacid-andelemental-chlorine-freeandwasmanufacturedwithpulpobtainedfromsourcesusingsustainableforestrypractices.@ArcLib@ArcLibCONTENTSContributorsASHRAETechnicalCommittees,TaskGroups,andTechnicalResourceGroupsASHRAEResearch:ImprovingtheQualityofLifePrefacePRINCIPLESChapter1.Psychrometrics(TC1.1,ThermodynamicsandPsychrometrics;TC8.3,AbsorptionandHeatOperatedMachines)2.ThermodynamicsandRefrigerationCycles(TC1.1)3.FluidFlow(TC1.3,HeatTransferandFluidFlow)4.HeatTransfer(TC1.3)5.Two-PhaseFlow(TC1.3)6.MassTransfer(TC1.3)7.FundamentalsofControl(TC1.4,ControlTheoryandApplication)8.SoundandVibration(TC2.6,SoundandVibration)INDOORENVIRONMENTALQUALITYChapter9.ThermalComfort(TC2.1,PhysiologyandHumanEnvironment)10.IndoorEnvironmentalHealth(EnvironmentalHealthCommittee)11.AirContaminants(TC2.3,GaseousAirContaminantsandGasContaminantRemovalEquipment)12.Odors(TC2.3)13.IndoorEnvironmentalModeling(TC4.10,IndoorEnvironmentalModeling)LOADANDENERGYCALCULATIONSChapter14.ClimaticDesignInformation(TC4.2,ClimaticInformation)15.Fenestration(TC4.5,Fenestration)16.VentilationandInfiltration(TC4.3,VentilationRequirementsandInfiltration)17.ResidentialCoolingandHeatingLoadCalculations(TC4.1,LoadCalculationDataandProcedures)18.NonresidentialCoolingandHeatingLoadCalculations(TC4.1)19.EnergyEstimatingandModelingMethods(TC4.7,EnergyCalculations)HVACDESIGNChapter20.SpaceAirDiffusion(TC5.3,RoomAirDistribution)21.DuctDesign(TC5.2,DuctDesign)22.PipeDesign(TC6.1,HydronicandSteamEquipmentandSystems)23.InsulationforMechanicalSystems(TC1.8,MechanicalSystemsInsulation)24.AirflowAroundBuildings(TC4.3)@ArcLib@ArcLibBUILDINGENVELOPEChapter25.Heat,Air,andMoistureControlinBuildingAssem...