作者:标准资料网 时间:2024-05-16 19:18:09   浏览:9174   来源:标准资料网

【英文标准名称】:Hydrometry—Measurementofliquidflowinopenchannelsundertidalconditions
【原文标准名称】:液体比重测定法.潮汐条件下明渠液流的测量
【标准号】:ISO2425-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC113
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Flowmeasurement;Flowmeasurements;Hydrometry;Liquidflow;Measurement;Measurementconditions;Measuringincertainity;Measuringtechniques;Openchannels;Tidalchannels;Tide;Tides;Waterflows
【摘要】:ThisInternationalStandardprovidesasummaryofrecommendedmethodsforthedeterminationofliquidflowintidalchannels,specialconsiderationbeinggiventothosetechniquesthatareeitheruniquetoorparticularlyappropriateforapplicationundertidalconditions,includingtreatmentofuncertainties.Referenceisalsomade,whereappropriate,tomethodsforthedeterminationofflowinnon-tidalchannels,butattentionisdrawntotheirlimitationswithrespecttopracticalityand/oruncertainty.ThisInternationalStandarddoesnotdescribealternativemethods,suchastheuseofweirs,flumes,dilutiongauging,saltvelocityandfloats,althoughtheymightbesuitableundercertainconditions,especiallywheretheeffectoftidesonlyimpedesanddoesnotstoporreversethepassageofstreamflow.ThesemethodsaredescribedindetailinotherInternationalStandards.ThisInternationalStandardspecifiestwotypesoftechnique:a)techniquesforsinglemeasurementsoftidalflow;b)techniquesforcontinuousmeasurementoftidalflow.AnnexAspecifiesthecubaturemethodofmeasurement.AnnexBspecifiesmethodsforthedeterminationofflowundertidalconditions,andAnnexCgivesanexampleofthecomputationforasinglevertical.Similarcomputationsarepossibleforotherverticals.AnnexDdescribesthedeterminationoftidalflowusinganacousticDopplervelocitymeter.
【中国标准分类号】:
【国际标准分类号】:17_120_20
【页数】:32P.;A4
【正文语种】:英语