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【英文标准名称】:Energyperformanceofbuildings-Calculationofenergyneedsforspaceheatingandcoolingusingdynamicmethods-Generalcriteriaandvalidationprocedures
【原文标准名称】:建筑物的能量性能.用动力学方法计算对流加热和制冷所需的能量.一般标准和确认程序
【标准号】:BSEN15265-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物;计算公式;组件;建筑;制冷负荷;计算准则;数据;定义;能量;能量消耗;能量需求;能量性能;热学;热平衡;热力工程;热能;加热装置;内部温度;数学计算;计算方法;表面温度;温度;试验;结构热工性能;温度致适;隔热;热性能;热防护;转换系数;有校性
【英文主题词】:Buildings;Calculationformula;Components;Construction;Coolingloads;Criteriaforcalculations;Data;Definitions;Energy;Energyconsumption;Energydemands;Energyperformance;Heat;Heatbalance;Heatengineering;Heatingenergy;Heatinginstallation;Internaltemperature;Mathematicalcalculations;Methodsofcalculation;Surfacetemperatures;Temperature;Testing;Thermalbehaviourofstructures;Thermalcomfort;Thermalinsulation;Thermalproperties;Thermalprotection;Transfercoefficient;Validation
【摘要】:ThisEuropeanStandardspecifiesasetofassumptions,requirementsandvalidationtestsforproceduresusedforthecalculationoftheannualenergyneedsforspaceheatingandcoolingofaroominabuildingwherethecalculationsaredonewithatimestepofonehourorless.ThisEuropeanStandarddoesnotimposeanyspecificnumericaltechniqueforthecalculationoftheroomheatingorcoolingneedandtheinternaltemperaturesofaroom.ThepurposeofthisEuropeanStandardistovalidatecalculationmethodsusedto:?assesstheenergyperformanceofeachroomofabuilding;?provideenergydatatobeusedasinterfacewithsystemperformanceanalysis(heating,cooling,ventilating,lighting,domestichotwateretc).Thevalidationprocedureisusedtochecktheenergyneedforspaceheatingandcoolingbasedonatransientsensibleheatbalancemodel,takingintoaccount:?theexternalsurfaceheatbalance;?theconductionthroughthebuildingenvelope;?thethermalcapacitiesofexternalandinternalstructures;?theinternalsurfaceheatbalance;?theairheatbalance;?theheatbalancesolutionmethod.Allotheraspectsaregiveneitherbyprescribedboundaryconditionsorbyinputdataandarenotpartofthemodelvalidation.Itisassumed,thatforalltheseothermatterse.g.embeddedheatingandcoolingsystems,prescriptivemodelshavetobeusedaccordingtoexistingEuropeanStandards.ThesystemperformanceanalysisandmoisturebalancearenotwithinthescopeofthisEuropeanStandard.
【中国标准分类号】:P31
【国际标准分类号】:91_120_10
【页数】:78P.;A4
【正文语种】:英语


【英文标准名称】:Narrowbandsawbladesforwoodworking;dimensions
【原文标准名称】:木工窄带锯条尺寸
【标准号】:ISO3295-1975
【标准状态】:现行
【国别】:国际
【发布日期】:1975-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;锯;锯条;木材加工;工具;刀片
【英文主题词】:Blades;Dimensions;Sawblades;Saws;Tools;Woodworking
【摘要】:ThisInternationalStandardspecifiesthewidthsandthethicknessesofnarrowbandsawbladesforwoodworking.Italsospecifiesthepitchofsometypesofteeth.
【中国标准分类号】:J65
【国际标准分类号】:79_120_10
【页数】:1P;A4
【正文语种】:英语