ISO 2425-1999 潮水河明渠水流测量

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【英文标准名称】:Measurementofliquidflowinopenchannelsundertidalconditions
【原文标准名称】:潮水河明渠水流测量
【标准号】:ISO2425-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-04
【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/TC113
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;液体流动;明渠;水流;潮流渠;潮汐;流量测量;流量测量
【英文主题词】:Definition;Definitions;Flowmeasurement;Flowmeasurements;Liquidflow;Openchannels;Tidalchannels;Tides;Waterflows
【摘要】:ThisInternationalStandardprovidesasummaryofaselectionofrecommendedmethodsavailableforthemeasurementofliquidflowintidalchannels,specialconsiderationbeinggiventothosetechniquesthatareeitheruniquetoorparticularlyappropriateformeasurementundertidalconditions,includingtreatmentoferrors.Referenceisalsomade,whereappropriate,tomethodsdevelopedformeasurementinnon-tidalchannels,butinsuchcasesattentionisdrawntotheirlimitationswithrespecttopracticalityand/oraccuracy.ThisInternationalStandarddoesnotdescribealternativemethods,suchasweirs,flumes,dilutiongauging,saltvelocityandfloats,althoughtheymaybesuitableundercertainconditions,especiallywheretheeffectoftidesonlyimpedesanddoesnotstoporreversethepassageofstreamflow.ThesemethodsaredescribedindetailinotherInternationalStandards.Thestandardcomprisestwoparts:a)techniquesforsinglemeasurementsoftidalflow;b)techniquesappropriateforcontinuousmeasurementoftidalflow.Thecubaturemethodofmeasurement,althoughcurrentlynotused,isincludedinannexA.AnnexBpresentsmethodssuitableformeasurementfortidalconditions,andannexCgivesanexampleofthecomputationforasinglevertical.Similarcomputationsmaybemadeforotherverticals.
【中国标准分类号】:A50
【国际标准分类号】:17_120_20
【页数】:22P.;A4
【正文语种】:英语