ASTM D5614-1994(2008) 用宽口堰测量明渠水流量的标准试验方法

作者:标准资料网 时间:2024-05-19 09:41:25  浏览:8264   来源:标准资料网

【英文标准名称】:StandardTestMethodforOpenChannelFlowMeasurementofWaterwithBroad-CrestedWeirs
【原文标准名称】:用宽口堰测量明渠水流量的标准试验方法
【标准号】:ASTMD5614-1994(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dams;flumes;open-channelflow;streamflow;Boundarylayerdisplacement;Broad-crestedweirs;Dams;Flowandflowrate--water;Flumes;Froudenumber;Openchannelflow--water;Reynoldsnumber;Streams;Tailwater;Weirs
【摘要】:Broad-crestedweirscanbeusedforaccuratemeasurementsofawiderangeofflowrates,buttheirstructuralsimplicityandsturdinessmakethemparticularlyusefulformeasuringlargeflowsunderfieldconditions.Becausetheyrequireverticalsidewalls,broad-crestedweirsareparticularlyadaptabletorectangularartificialchannelsortonaturalandartificialchannelsthatcanreadilybelinedwithverticalsidewallsintheimmediatevicinityoftheweir.1.1Thistestmethodcoversmeasurementofthevolumetricflowrateofwaterinopenchannelswithtwotypesofhorizontalbroad-crestedweirs:thosehavingasquare(sharp)upstreamcornerandthosehavingawell-roundedupstreamcorner.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P12
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:英语