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InvestigationandsimulationhasbeenconductedonvariousalternativesofenvelopeandHVACsystemconceptsfortheintentiontoreduceHVACenergyconsumption.Energydesign(EDS)hadinvestigatedonthefollowingmeasuresandconcepts:ReferencebuildingofCurrentNationalStandardLightingWindowU-WindowshadingU-valueoptimizationofexteriorwall,roofandExternalEnthalpyrecoveryofofficefreshairHeatrecoverysystemoptimizationoflabfreshairSimulationoutputshowsthatthemainenergyconsumptionofthereferencebuildingisattributedtofansandcooling,whichconstitutes34%and30%ofthetotalannualbuildingenergydemandrespectivelywhileheatingandlightingrequires14%and12%ofthetotalannualbuildingenergyconsumptioncorrespondingly.BNBUenergydesignenergydesign(Shanghai) page12%。Processuse

Heating Owingtothespecificrequirementforlabbuilding,therequiredamountoffreshairsupplyresultedhighpowerconsumption.Alargeamountoftotalannualbuildingenergyconsumptioncanbereducedifthefanefficiencycanbeimproved.Thecurrentdesignhas57%morefanspowerdemandcomparingtothereferenceHighvolumesofchilledandhotwarerequiredforhandingtheoutdoorair,andhencetheheatrecoveryrateoftheair-handlinguniturrentdesignisonly30%.Therewillbeasignificantreductiononheatingandcoolingdemandiftheheatrecoveryratecanbeimproved.Ifitispossible,EDSsuggeststohumidifythereturnairbeforeitenterstotheheatrecoveryequipmentforevaporativecoolingsoastoimprovetheheatrecoveryefficiency.12%。FansPumpProcessuse

Heating Lighting照 Figure1:StructureofEnergydemandofreferencebuildingOwingtothespecificrequirementforlabbuilding,therequiredamountoffreshairsupplyresultedhighpowerconsumption.Alargeamountoftotalannualbuildingenergyconsumptioncanbereducedifthefanefficiencycanbeimproved.Thecurrentdesignhas57%morefanspowerdemandcomparingtothereferenceHighvolumesofchilledandhotwarerequiredforhandingtheoutdoorair,andhencetheheatrecoveryrateoftheair-handlinguniturrentdesignisonly30%.Therewillbeasignificantreductiononheatingandcoolingdemandiftheheatrecoveryratecanbeimproved.Ifitispossible,EDSsuggeststohumidifythereturnairbeforeitenterstotheheatrecoveryequipmentforevaporativecoolingsoastoimprovetheheatrecoveryefficiency.由于的特殊要求,需要对供应大量的新风,因此大风量的风机消耗大量energydesignenergydesign(Shanghai) pageTheapplicationofexternalshadingstrategiescanonlyreducethecoolingenergydemandby1.6%asmostofthewindowsareeastoriented.Themainenergysavingmeasuresproposedbasedon eImproveheatrecoveryofthefreshMoreefficientAirsourceheatpumpandVRVunitwithhigherLightingoptimizationconceptfromSethemaintainedenvelopeparameteroftheBNBreferencebuildingisnotadaptabletoShanghaiclimateandsomeofthetechniqueindexesarenotspecifiedinthereferencebuilding,thuspartofthetechniqueindexesintheBNBreferencebuildingareassumed.的保温性能还是改善窗户的遮阳系数,都只能降低大约0.5%左右的能耗。1.6%的能耗,这主要是因为该项目的大面积因为BNB基准建筑中的结构参数还没有根据的气候做相应的调整,一些技术参数在基准建筑中未作说明,所以在中BNB的基准建筑的一些技术参数为ThesimulationresultasTheapplicationofexternalshadingstrategiescanonlyreducethecoolingenergydemandby1.6%asmostofthewindowsareeastoriented.Themainenergysavingmeasuresproposedbasedon eImproveheatrecoveryofthefreshMoreefficientAirsourceheatpumpandVRVunitwithhigherLightingoptimizationconceptfromSethemaintainedenvelopeparameteroftheBNBreferencebuildingisnotadaptabletoShanghaiclimateandsomeofthetechniqueindexesarenotspecifiedinthereferencebuilding,thuspartofthetechniqueindexesintheBNBreferencebuildingareassumed.0.5%左右的能耗。如设置可移动的外遮阳每年也只可降低1.6%的能耗,这主要是因为该项目的大面积因为BNB基准建筑中的结构参数还没有根据的气候做相应的调整,一些技术参数在基准建筑中未作说明,所以在中BNB的基准建筑的一些技术参数为Thesimulationresultasenergydesignenergydesign(Shanghai) pagepage0Figure2Result0Figure2ResultofSimulationCurrentLimitRB+UValueofWindowRB+SCValueofWindowRB+UValueofWallRB+LabHeatRecvoeryFansFans风机Pump水泵Lighting照明Cooling制冷0Figure2:Resultof0Figure2:ResultofSimulationenergydesign(Shanghai)ReferenceBuilding. CurrentDesign.GBLimitRB+LPDoptmizationRB+UValueofWindowRB+SCValueofpageRB+UValueofWallpageRB+ExternalShadingRB+OfficeHeatRecoveryRB+LabHeatRecvoeryFansFansPump水泵Processuse工艺Lighting照明Cooling制冷reasinginsulationthicknessorglazingg-valuecanreduceheatingpowerconsumptioninwinter.TakingintoaccountofShanghai’sclimate(coldinwinter,hotinsummer),bothheatingandcoolingenergyconsumptionduringsummerandwintershouldbeconsidered.Variousinsulationthicknessandphysicalparametersofwindowareinvestigatedinordertodeterminetherelationshipbetweeninsulation/parameterofwindowandtotalenergydemand.Apartfrombuildingenvelope,theperformancesofdifferentHVACequipmentarealsoimportanttothebuildingenergyconsumptionhencethisreportisgoingtocomparedifferentstandardsandfewenergysavingmeasures.Theprojectschedule,windowwallratio,equipmentload,occupantdensityandfreshairvolumeinallvariantsshallbemaintainedthesamewhilethedifferenceofeachvariantsaredescribedhapter3.5.加厚保温层或增加窗户的g值都可以减少冬天的供暖的耗电量。但的气候属于夏同的地方将在章节3.5中说明。Accordingtothedesignspecification,R&Doperationhouris8:00~18:00fromMondaytoFriday,Saturday,Sundayandholidayis.Hourlyscheduleforoccupancydensity,lightingandequipmentareshownonthefollowingfigure.Buildingscheduleiskeptconsistentinallvariants.SpecificationofVariantandParameterreasinginsulationthicknessorglazingg-valuecanreduceheatingpowerconsumptioninwinter.TakingintoaccountofShanghai’sclimate(coldinwinter,hotinsummer),bothheatingandcoolingenergyconsumptionduringsummerandwintershouldbeconsidered.Variousinsulationthicknessandphysicalparametersofwindowareinvestigatedinordertodeterminetherelationshipbetweeninsulation/parameterofwindowandtotalenergydemand.Apartfrombuildingenvelope,theperformancesofdifferentHVACequipmentarealsoimportanttothebuildingenergyconsumptionhencethisreportisgoingtocomparedifferentstandardsandfewenergysavingmeasures.Theprojectschedule,windowwallratio,equipmentload,occupantdensityandfreshairvolumeinallvariantsshallbemaintainedthesamewhilethedifferenceofeachvariantsaredescribedhapter3.5.加厚保温层或增加窗户的g值都可以减少冬天的供暖的耗电量。但的气候属于夏除了围护结构,不同的设备性能参数对建筑的能耗起着至关重要的影响。将比3.5中说明。BuildingScheduleAccordingtothedesignspecification,R&Doperationhouris8:00~18:00fromMondaytoFriday,Saturday,Sundayandholidayis.Hourlyscheduleforoccupancydensity,lightingandequipmentareshownonthefollowingfigure.Buildingscheduleiskeptconsistentinallvariants.energydesignenergydesign(Shanghai) page

123456789101112131415161718192021222324151617181920212223 Theoccupancydensityisnnedaccordingtotheworkcearrangement.Itisthencalculatedas10m2/forlabbuilding.Accordingtopreviouperience,theequipmentloaddensityforofficeis6W/m2.Thelabareahasmorepowerfulequipmentsbutwithlesserusagefrequency,hence6W/m2ofloaddensityforthelabisapplied.根据以往的经验,在采用6W/m2的设备负荷密度。中的设备安装功率较大,但使用频率较低,所以在中采用6W/m2的设备负荷密度。Freshairvolumefordifferentroomsarebasedondrawing“S4594KN-01-102~110,112~115”,thefreshairvolumeshouldbekeptconsistentinallvariants.

123456789101112131415161718192021222324151617181920212223 OccupancyDensityTheoccupancydensityisnnedaccordingtotheworkcearrangement.Itisthencalculatedas10m2/forlabbuilding.EquipmentLoadAccordingtopreviouperience,theequipmentloaddensityforofficeis6W/m2.Thelabareahasmorepowerfulequipmentsbutwithlesserusagefrequency,hence6W/m2ofloaddensityforthelabisapplied.根据以往的经验,在采用6W/m2的设备负荷密度。中的设备安装功率较大,但使用频率较低,所以在中采用6W/m2的设备负荷密度。FreshAirVolumeFreshairvolumefordifferentroomsarebasedondrawing“S4594KN-01-102~110,112~115”,thefreshairvolumeshouldbekeptconsistentinallvariants.energydesignenergydesign(Shanghai) pageThedetailedsettingsfordifferentvariantsareasfollowswiththeredtextshowingthedifferencecomparingtoBNBreference Building(RB)CurrentGB标 RB+SCValueof ExternalWall外20cmhollowblock700kg/m3(EPS:3cminsulation,3厘6cminsulation,6厘AsAsAs5cminsulation,5厘米AsAsAs5cminsulation,18厘米Roof屋顶(EPS:AsAsAsAsAsAsGroundFloor20cmconcrete,(EPS:AsAsAsAsAsAs窗值):2.5W/m²KSC(遮阳系数0.4AsAsAsAsAsSC(遮阳系数):0.33ThedetailedsettingsfordifferentvariantsareasfollowswiththeredtextshowingthedifferencecomparingtoBNBreference Building(RB)CurrentGB标 RB+SCValueofRB+UValueofWall ExternalWall外20cmhollowblock700kg/m320厘米空心砖,(EPS:U-value(U值):0.83cminsulation,3厘6cminsulation,6厘U-value(U值):1.02cminsulation2厘AsAsAs5cminsulation,5厘米AsAsAs5cminsulation,18厘米Roof屋顶20cmconcrete,20(EPS:U-value(U值):0.57cminsulation7厘米8cminsulation8厘米U-value(U值):0.75cminsulation5厘米AsAsAs9cminsulation9厘米保AsAsAs9cminsulation9厘米保GroundFloor20cmconcrete,20(EPS:U-value(U值):0.84cminsulation4厘米0cminsulation0厘米U-value(U值):1.03cminsulation3厘米AsAsAs6cminsulation6厘米保AsAsAs6cminsulation6厘米保窗U-value(U值):2.4SC(遮阳系数SC(遮阳系数值):2.5W/m²KSC(遮阳系数):0.4AsU-value(U值):2.0SC(遮阳系数SC(遮阳系数AsAsAsAsSC(遮阳系数):0.334.7SC(遮阳系数energydesignenergydesign(Shanghai) pageCOPASHPCOPASHPCOPVRVCOPVRVHR(latent)-Office:Lab:Office:Lab:-Office:Lab:HROffice:Lab:Office:Lab:Lab:Office:Lab:SFPAirSFPAirERofChilled/HotWater0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/equipmentisnotcorrect/clearseewithExternalCOPASHPCOPASHPCOPVRVCOPVRVEfficiencyofHR(latent)-Office:Lab:Office:Lab:-Office:Lab:EfficiencyofHROffice:Lab:Office:Lab:Office:Lab:Office:Lab:SFPAirSupplySFPAirReturnERofChilled/HotWaterPumpe0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/0.0241/Thespecificationofequipmentisnotcorrect/clearLPDoptimizationseewithExternalLPDoptimizationExternalenergydesignenergydesign(Shanghai) pageSimulationresultsforallvariantsarelistedinthefollowingtable.ComparingtotheBNBreferencebuilding,currentdesignhasatotalannualenergyconsumptionof113.0%whilethenationalstandardconsumes108%.Allvariantslikeenergysavingmeasures,lightingoptimizationandheatrecoverycoefficienthadachievedthepossiblebestpotential.Ifalltheenergymeasuresaretobeimplemented,energysavingsof10.5%comparingtotheBNBreferencebuildingcanbeachieved.Lastrowofthetableshowsthecontributionto

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