ISO/TR 12764-1997 封闭管道中流体流量的测量在旋转圆截面导管中插入涡流流量计来测量流率
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【英文标准名称】:Measurementoffluidflowinclosedconduits-Flowratemeasurementbymeansofvortexsheddingflowmetersinsertedincircularcross-sectionconduitsrunningfull
【原文标准名称】:封闭管道中流体流量的测量在旋转圆截面导管中插入涡流流量计来测量流率
【标准号】:ISO/TR12764-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【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/TC30
【标准类型】:()
【标准水平】:()
【中文主题词】:测量技术;规范;定义;流量计;流量测量;流量测量;校正;圆截面;导(线)管;液体流动
【英文主题词】:Calibration;Circularcrosssection;Conduits;Definition;Definitions;Electriccables;Flowmeasurement;Flowmeasurements;Flowmeters;Liquidflow;Measuringtechniques;Specifications
【摘要】:ThisTechnicalReportprovidesgenericinformationonvortexsheddingflowmeters,includingaglossaryandasetofengineeringequationsusefulinspecifyingperformance.Itdescribesthetypicalconstructionofvortexsheddingflowmetersandidentifiestheneedforinspection,certification,andmaterialtraceability.Italsoprovidestechnicalinformationtoassisttheuserinselectingandapplyingvortexsheddingflowmeters,andprovidescalibrationguidance.Itexplainstherelevantterminologyanddescribestestprocedures,togetherwithalistofspecifications,applicationnotes,andequationswithwhichtodeterminetheexpectedperformancecharacteristics.ThisTechnicalReportdescribeshowthefrequencyofthevorticesisameasureofthefluidvelocity;howvolume,mass,andstandardvolumeflowratearedetermined;andhowthetotalfluidthathasflowedthroughthemeterinaspecifiedtimeintervalcanbemeasured.ThisTechnicalReportappliesonlytofull-boreflowmeters(notinsertiontypes)andappliesonlytofluidflowthatissteadyorvariesonlyslowlywithtime,andisconsideredtobesingle-phased,withtheclosedconduitrunningfull.
【中国标准分类号】:N12
【国际标准分类号】:17_120_10
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Windturbinegeneratorsystems-Part2:Safetyofsmallwindturbines
【原文标准名称】:风轮发电机系统第2部分:小型风轮机的安全
【标准号】:IEC61400-2-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC88
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;安全;涡轮机;发电机;风力电站;风力涡轮机
【英文主题词】:
【摘要】:Dealswithsafetyphilosophy,qualityassurance,engineeringintegrityandspecifiesrequirementsforthesafetyofsmallwindturbinegeneratorsystems(SWTGS),includingdesign,installation,maintenanceandoperationunderspecifiedexternalcondition
【中国标准分类号】:F11
【国际标准分类号】:27_180
【页数】:51P;A4
【正文语种】:英语
【英文标准名称】:Buildingacoustics-Estimationofacousticperformanceinbuildingsfromtheperformanceofelements-Transmissionofindoorsoundtotheoutside
【原文标准名称】:建筑声学.根据元件性能评定建筑物声学性能.室内到室外的声音传播
【标准号】:BSEN12354-4-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-11-15
【实施或试行日期】:2000-11-15
【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】:声强;声学;空气噪声;空气声隔绝(隔声);声音吸收;噪声控制装置;声学性质和声学现象;建筑物;声学测量;建筑系统构件;隔音;施工材料
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustics;Airbornenoise;Airbornesound;Airbornesoundlevel;Buildingacoustics;Buildinginterior;Buildings;Componentcombination;Components;Definitions;Exteriorareas;Flankingtransmission;Forecasting;Impactsoundinsulation;Insidenoise;Insidenoiselevel;Mathematicalcalculations;Measurementofairbornenoise;Parameters;Precalculation;Soundlevel;Soundlevels;Soundpressure;Soundpressurelevel;Soundradiation;Soundtransmission
【摘要】:ThisEuropeanStandarddescribesacalculationmodelforthesoundpowerlevelradiatedbytheenvelopeofabuildingduetoairbornesoundinsidethatbuilding,primarilybymeansofmeasuredsoundpressurelevelsinsidethebuildingandmeasureddatawhichcharacterizethesoundtransmissionbytherelevantelementsandopeningsinthebuildingenvelope.Thesesoundpowerlevels,togetherwiththoseofothersoundsourcesinorinfrontofthebuildingenvelope,formthebasisforthecalculationofthesoundpressurelevelatachosendistancefromabuildingasameasurefortheacousticperformanceofbuildings.ThepredictionoftheinsidesoundpressurelevelfromknowledgeoftheindoorsoundsourcesisoutsidethescopeofthisEuropeanStandard.ThepredictionoftheoutdoorsoundpropagationisoutsidethescopeofthisEuropeanStandard.NOTEForsimplepropagationconditionsanapproachisgivenfortheestimationofthesoundpressurelevelininformativeAnnexE.ThisEuropeanStandarddescribestheprinciplesofthecalculationmodel,liststherelevantquantitiesanddefinesitsapplicationsandrestrictions.Itisintendedforacousticalexpertsandprovidestheframeworkforthedevelopmentofapplicationdocumentsandtoolsforotherusersinthefieldofbuildingconstruction,takingintoaccountlocalcircumstances.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:30P;A4
【正文语种】:英语