【英文标准名称】:Aerospaceseries-Requirementsandtestproceduresforrelaysandcontactors-Part319:misstest.
【原文标准名称】:航空航天系列.继电器和电流接触器要求和试验程序.第319部分:失效试验
【标准号】:NFL58-100-319-2007
【标准状态】:现行
【国别】:法国
【发布日期】:2007-03-01
【实施或试行日期】:2007-03-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;电流接触器;电流试验;电流;电气工程;检验;最低要求;继电器;航天运输;规范(验收);开关装置;测试
【英文主题词】:Aerospacetransport;Airtransport;Contactors;Currenttest;Currents;Electricalengineering;Inspection;Minimumrequirements;Relays;Spacetransport;Specification(approval);Switchgear;Testing
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:12P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforMeasuringtheSteady-StateThermalTransmittanceofFenestrationSystemsUsingHotBoxMethods
【原文标准名称】:隔热箱法测定主窗设计系统的稳态热传递系数的标准试验方法
【标准号】:ASTMC1199-2009e1
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:doors;fenestration;heat;hotbox;R-value;steady-state;testing;thermaltransmission;U-factor;U-value;windows;Calibration--temperatureanalysisinstrumentation;Doors/doorassemblies;Homogeneouswall;Hotplate/boxmethods;Maskingsoundmeasurem
【摘要】:ThistestmethoddetailsthecalibrationandtestingproceduresandnecessaryadditionaltemperatureinstrumentationrequiredinapplyingTestMethodC1363tomeasurethethermaltransmittanceoffenestrationsystemsmountedverticallyinthethermalchamber.4.2Thethermaltransmittanceofatestspecimenisaffectedbyitssizeandthree-dimensionalgeometry.Caremustbeexercisedwhenextrapolatingtoproductsizessmallerorlargerthanthetestspecimen.Therefore,itisrecommendedthatfenestrationsystemsbetestedattherecommendedsizesspecifiedinPracticeE1423orNFRC100.Sincebothtemperatureandsurfaceheattransfercoefficientconditionsaffectresults,useofrecommendedconditionswillassistinreducingconfusioncausedbycomparingresultsoftestsperformedunderdissimilarconditions.StandardizedtestconditionsfordeterminingthethermaltransmittanceoffenestrationsystemsarespecifiedinPracticeE1423andSection6.2.Theperformanceofatestspecimenmeasuredatstandardizedtestconditionsispotentiallydifferentthantheperformanceofthesamefenestrationproductwheninstalledinthewallofabuildinglocatedoutdoors.Standardizedtestconditionsoftenrepresentextremesummerorwinterdesignconditions,whicharepotentiallydifferentthantheaverageconditionstypicallyexperiencedbyafenestrationproductinstalledinanexteriorwall.Forthepurposeofcomparison,itisessentialtocalibratewithsurfaceheattransfercoefficientsontheCalibrationTransferStandard(CTS)whichareascloseaspossibletotheconventionallyacceptedvaluesforbuildingdesign;however,thisprocedurecanbeusedatotherconditionsforresearchpurposesorproductdevelopment.Simiarly,itwouldbedesirabletohaveasurroundpanelthatcloselyduplicatestheactualwallwherethefenestrationsystemwouldbeinstalled.SincetherearesuchawidevarietyoffenestrationsystemopeningsinNorthAmericanresidential,commercialandindustrialbuildings,itisnotfeasibletoselectatypicalsurroundpanelconstructionforinstallingthefenestrationsystemtestspecimen.Furthermore,forhighresistancefenestrationsystemsinstalledinfenestrationopeningdesignsandconstructionsthathavethermalbridges,thelargerelativeamountofheattransferthroughthethermalbridgewillcausetherelativelysmallamountofheattransferthroughthefenestrationsystemtohavealargerthandesirableerror.Forthisreason,theCalibrationTransferStandardandtestspecimenareinstalledinahomogeneoussurroundpanelconstructedfrommaterialshavingarelativelyhighthermalresistance.Installingthetestspecimeninarelativelyhighthermalresistancesurroundpanelplacesthefocusofthetestonthefenestrationsystemthermalperformancealone.Therefore,itisimportanttorecognizethatthethermaltransmittanceresultsobtainedfromthistestmethodareforideallaboratoryconditions,andshouldonlybeusedforfenestrationproductcomparisonsunlessthethermalbridgeeffectsthathavethepotentialtooccurduetothespecificdesignandconstructionofthefenestrationsystemopeningareincludedintheanalysis.4.5Thistestmethoddoesnotincludeprocedurestodeterminetheheatflowduetoeitherairmovementthroughthespecimenorsolarradiationeffects.Asaconsequence,thethermaltransmittanceresultsobtaineddonotreflectperformancesthatmaybeexpectedfromfieldinstallations.Itispossibletousetheresultsfromthistestmethodasinputtoannualenergyperformanceanalyseswhichincludesolar,andairleakageeffectstogetabetterestimateofhowthetestspecimenwouldperformwheninstalledinanactualbuilding.TodeterminetheSolarHeatGainCoefficientoffenestrationproducts,refertoNFRC200.Todetermineairleakagefor......
【中国标准分类号】:P32
【国际标准分类号】:
【页数】:23P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 冷冲模模柄 旋入式模柄 |
| 中标分类： |
机械 >>
工艺装备 >>
模具 |
| 替代情况： | 调整为JB/T 7646.2-1994 |
| 发布日期： | |
| 实施日期： | 1984-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
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所属分类： 机械 工艺装备 模具