NF L54-002-161-2002 航空航天系列.电气及光学连接元件.试验方法.第705部分:电气元件.耦合器的短线输入阻抗的测量
时间:2024-05-03 19:30:17 来源: 标准资料网 作者：标准资料网 阅读：8320
【英文标准名称】:Aerospaceseries-Elementsofelectricalandopticalconnection-Testmethods-Part705:electricalelements-Measurementofstubinputimpedanceofcouplers.
【原文标准名称】:航空航天系列.电气及光学连接元件.试验方法.第705部分:电气元件.耦合器的短线输入阻抗的测量
【标准号】:NFL54-002-161-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-11-01
【实施或试行日期】:2002-11-05
【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】:紧固件;电插头;航空航天运输;电气元件;航空运输;耦合器;阻抗;短线;光学的;航天运输;电力设备;电的;多语种的;输入阻抗;测量技术;规范(验收);测量;试验;试验条件;特性
【英文主题词】:
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDeterminingThermalPerformanceofTrackingConcentratingSolarCollectors
【原文标准名称】:追踪强化太阳能收集器热性能的试验方法
【标准号】:ASTME905-1987(2007)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:E44.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;性能;太阳能;热效率;太阳能集热器
【英文主题词】:single-axis;thermalperformance;trackingconcentratingsolarcollectors;two-axis
【摘要】:1.1Thistestmethodcoversthedeterminationofthermalperformanceoftrackingconcentratingsolarcollectorsthatheatfluidsforuseinthermalsystems.1.2Thistestmethodappliestoone-ortwo-axistrackingreflectingconcentratingcollectorsinwhichthefluidentersthecollectorthroughasingleinletandleavesthecollectorthroughasingleoutlet,andtothosecollectorswhereasingleinletandoutletcanbeeffectivelyprovided,suchasintoparallelinletsandoutletsofmultiplecollectormodules.1.3Thistestmethodisintendedforthosecollectorswhosedesignissuchthattheeffectsofdiffuseirradianceonperformanceisnegligibleandwhoseperformancecanbecharacterizedintermsofdirectirradiance.Note18212;Forpurposesofclarification,thismethodshallapplytocollectorswithageometricconcentrationratioofsevenorgreater.1.4Thecollectormaybetestedeitherasathermalcollectionsubsystemwheretheeffectsoftrackingerrorshavebeenessentiallyremovedfromthethermalperformance,orasasystemwiththemanufacturer-suppliedtrackingmechanism.1.4.1Thetestsappearasfollows:SectionLinearSingle-AxisTrackingCollectorsTestedasThermalCollectionSubsystems11-13SystemTestingofLinearSingle-AxisTrackingCollectors14-16LinearTwo-AxisTrackingandPointFocusCollectorsTestedasThermalCollectionSubsystems17-19SystemTestingofPointFocusandLinearTwo-AxisTrackingCollectors20-22【英文标准名称】:Determinationofexplosioncharacteristicsofdustclouds.Determinationofthemaximumexplosionpressurepmaxofdustclouds
【原文标准名称】:尘云爆炸特性测定.尘云最大爆炸压力pmax测定
【标准号】:BSEN14034-1-2004+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2005-06-24
【实施或试行日期】:2005-06-24
【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】:
【英文主题词】:Bolting;Calibration;Certification;Characteristics;Classification;Classificationsystems;Coldwater;Coldwaterconduit;Coldwatermeter;Concentration;Conglomerates;Connectingsizes;Connections;Counters;Definitions;Designcertifications;Designations;Dimensions;Drinkingwaterlines;Dust;Dustcloud;Dustexplosions;Electronic;Electronicinstruments;Environmentalconditions;Experimentation;Explosionindex;Explosionpressure;Explosionprotection;Explosions;Explosiveatmospheres;Firesafety;Fitnessforpurpose;Flammablematerials;Flowmeasurements;Flowmeters;Gasmixtures;Guidelines;Hot-watermeters;Installationinstructions;Installations;Limits(mathematics);Marking;Materials;Measurement;Meteringmechanism;Meters;Metrology;Nozzledischarge;Parameters;Performancerequirements;Pollutioncontrol;Potablewater;Potentiallyexplosivematerials;Pressuredrops;Pressureoverload;Productspecification;Properties;Ratedflow;Ratedpressure;Ratings;Safetyengineering;Scope;Specification(approval);Specifications;Surfacespreadofflame;Telltales;Testequipment;Testing;Testingdevices;Thread-connections;Tolerances(measurement);Water;Waterconsumption;Watermeters;Waterpipelines;Waterpractice;Watersupply
【摘要】:Thisdocumentdescribesatestmethodforthedeterminationofthemaximumexplosionpressureofdustcloudsinaclosedvesselunderdefinedinitialconditionsofpressureandtemperature.Thismethodisnotsuitableforusewithrecognisedexplosives,likegunpowderanddynamite,substanceswhichdonotrequireoxygenforcombustion,pyrophoricsubstances,orsubstancesormixturesofsubstanceswhichmayundersomecircumstancesbehaveinasimilarmanner.Whereanydoubtexistsabouttheexistenceofhazardduetoexplosiveproperties,expertadviceshouldbesought.
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:30P.;A4
【正文语种】:英语