ANSI/HI 1.6-2000 离心泵测试
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来源:标准资料网
【英文标准名称】:CentrifugalPumpTest
【原文标准名称】:离心泵测试
【标准号】:ANSI/HI1.6-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:离心泵;抽油装置;试验
【英文主题词】:Centrifugalpumps;Pumpinginstallation;Testing
【摘要】:Describescentrifugal,seallesscentrifugal,andregenerativeturbinepumpsofallindustrialtypes,exceptverticalmultistagediffusertypeandsubmersiblepumps.Itincludesdetailedproceduresonthesetupandconductofhydrostaticandperformancetestsofsuchpumps.Changesmadesincelastpublicationincludethefollowing:(a)Section1.6.5.3-addexplanationfortheuseoflevel"A"and"B",(b)Section1.6.7-mechanicaltest-new,and(c)Editorialchangestoshowmetricunitsfirst.
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:
【正文语种】:英语
【英文标准名称】:Gasturbines-Exhaustgasemission-Automatedemissionmonitoring
【原文标准名称】:燃气轮机.废气排放.第2部分:自动排放监控
【标准号】:BSISO11042-2-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【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】:选择;采样设备;污染物气体;认可试验;试验设备;准确度;涡轮机;气体;性能;数学计算;再现性;试验条件;维修;气体分析;二氧化硫;脂族烃;材料的物理性质;气体分析仪;三氧化硫;一氧化碳;排气;误差;颗粒空气污染物;燃烧产物;燃气轮机;含量测定;流程图;发射;烟;氨;测量特征;二氧化碳;校正
【英文主题词】:Airpollution;Chemicalanalysisandtesting;Determinationofcontent;Emissionmeasurement;Emissionmonitoring;Exhaustgastest;Exhaustgases;Gasturbines;Turbines
【摘要】:Establishesthemonitoringprogrammeandtherequirementsfortheselectionandoperationofhardwaretobeusedforcontinuousgasemissionmeasurements.Monitorestheconcentrationandabsolutemagnitudeofspecifiedemissionsintheexhaustgasaswellasrelatedgaseouscomponents.Requiresthatthefollowingparametersbecontinuouslymonitored:emissions,diluentgases(oxygen,carbondioxide),exhaustgasflow,fuelconsumptionandgasturbineperformance.
【中国标准分类号】:K56
【国际标准分类号】:13_040_40;27_040
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:Electronicdesignautomationlibraries-Part3:ModelsofintegratedcircuitsforEMIbehaviouralsimulation
【原文标准名称】:电子设计自动化程序库.第3部分:EMI行为模拟用集成电路的模型
【标准号】:IEC/TR62014-3-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC93
【标准类型】:()
【标准水平】:()
【中文主题词】:输入;数字集成电路;电子设备及元件;电子设备及元件;规范(验收);集成电路;数字电路;定义;自动化
【英文主题词】:digitalintegratedcircuits;automation;emi;electronicequipmentandcomponents;input;integratedcircuits;definition;digitalcircuits;definitions;specification(approval)
【摘要】:TheobjectiveofthisTechnicalReport(TR)ICEM(IntegratedCircuitElectricalModel)forComponentsistoproposeelectricalmodellingforintegratedcircuitinternalactivities.Thismodelwillbeusedtoevaluateelectromagneticbehaviourandperformancesofelectronicequipment.1GeneralIntegratedcircuitsintegratemoreandmoregatesonsiliconandthetechnologiesarefasterandfaster.Topredicttheelectromagneticbehaviourofequipment,itisrequiredtomodelICinterfaceswitchingandtheirinternalactivitiesaswell.IndeedIBISandIMICmodelsarefocusedmainlyoninterfaceactivitypredictions(cross-talk,overshoot,etc.).SeeIEC62014-1.ThisreportdescribesamodelforEMIsimulationduetoICinternalactivities.Thismodelgivesmoreaccuratelytheelectromagneticemissionsofelectronicequipmentbytakingintoaccounttheinfluenceofinternalactivities.ThismodelgivesgeneraldatawhichcouldbeimplementedindifferentformatsuchasIBIS,IMIC,SPICE,etc.DuringthedesignstageoftheapplicationthatwillexploittheIC,itbecomesusefultopredictandtopreventelectromagneticriskswiththeCADtool.AccurateICmodellingisnecessarytorunonthesesimulationtools.Threecouplingmechanismsoftheinternalactivitiesforemission(Figure1)areproposedintheICEMmodel:·conductedemissionsthroughsupplylines;·conductedemissionsthroughinput/outputlines;·directradiatedemissions.Thisreportproposesamodelthataddressesthosethreetypesofcouplinginasingleapproach.Theelementsofthemodelwouldbekeptassimpleaspossibletoeasetheidentificationandsimulationprocess.2PhilosophyThepurposeofthisreportistoprovidedatatoenableprinted-circuit-boardlevel(PCB)electromagnetictoolstocomputetheelectromagneticfieldsproducedbyintegratedcircuitsandtheirassociatedPCB.Thesedatacanbeextractedfrommeasurementmethods,asdescribedinIEC61967,orobtainedfromICsimulationtools.2.1OriginofparasiticemissionTheoriginofparasiticemissioninICisduetothecurrentflowingthroughalltheICgates(IvandIv)duringhightoloworlowtohightransitionsasshowninFigure2.Thecombinationofseveralhundredthousandsofgatesleadtoveryimportantpeaksofcurrent,mainlyatriseandfalledgesoftheclockcircuit.ForexampleFigure3plotsthenumberofgatesswitchingversusthetimeforanICintegrating1000000transistors.Consequently,highcurrentspikesarecreatedinsidethedieandinducevoltagedropsoftheinternalvoltagereferences.2.2Conductedemissionthroughpower-supplylinesThecurrentspikescreatedinsidethediearepartiallyreducedthankstotheon-chipdecouplingcapacitance.Anyhow,asignificantportionofthecurrentspikesispresentatthepower-supplypinsofthechip.ThiscurrentcouldbemeasuredaccordingtoIEC61967orothermethodspermittingtohavethepower-supplycurrents.2.3Conductedemissionsthroughinput/outputlines(I/O)TheinternalvoltagedropsgeneratedbythecurrentspikescreatenoiseontheI/Osthroughdirectconnection,parasiticcapacitiveandinductivecouplingsand/orthroughcommonimpedance.ThePCBwiresconnectedtotheI/Ocanactasantennasandpropagateelectromagneticemissions.Themeasurementset-upisdoneaccordingtoIEC61967.2.4DirectradiatedemissionsTheinternalcurrentflowinginlowimpedanceloopsgenerateselectromagneticfieldswhichcanbemeasuredinnearfieldaccordingtoIEC61967.
【中国标准分类号】:L77
【国际标准分类号】:35_240_50;31_200;25_040_01
【页数】:20P.;A4
【正文语种】:英语
