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NF C46-521-2001 工业过程调节阀.第8部分:噪声考虑因素.第3节:调节阀气动噪声预测法

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【英文标准名称】:Industrial-processcontrolvalves-Part8-3:noiseconsiderations-Controlvalvesaerodynamicnoisepredictionmethod.
【原文标准名称】:工业过程调节阀.第8部分:噪声考虑因素.第3节:调节阀气动噪声预测法
【标准号】:NFC46-521-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-02-01
【实施或试行日期】:2001-02-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:流体工程;方向控制阀;;空气动力学的;过程控制;校正装置;控制阀;声学测量;阀门;空气噪声;液体流动;空气噪声测量;过程测量和控制技术;声压级;定义;定义;电气工程;测量;数学计算;计算方法;噪声;实验室试验;实验室试验;试验;噪声测量;噪声辐射;管道
【英文主题词】:Acousticmeasurement;Aerodynamicflow;Aerodynamical;Airbornenoise;Controlvalves;Correctingunits;Definition;Definitions;Direction-controlvalves;Electricalengineering;Fluidengineering;Laboratorytesting;Laboratorytests;Liquidflow;Mathematicalcalculations;Measurement;Measurementofairbornenoise;Methodsofcalculation;Noise;Noiseemissions;Noisemeasurements;Pipelines;Processcontrol;Processmeasuringandcontroltechnology;Soundpressurelevel;Testing;Valves
【摘要】:
【中国标准分类号】:N15
【国际标准分类号】:17_140_20;23_060_40
【页数】:58P.;A4
【正文语种】:其他


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【英文标准名称】:StandardPracticeforJointAcceptanceTestingofInstalledPrecastConcretePipeSewerLines
【原文标准名称】:已安装的预制混凝土污水管线的接头验收试验的标准规程
【标准号】:ASTMC1103-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:C13.09
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:1验收检查;2混凝土管;3污水管
【英文主题词】:acceptancecriteria/testing;concretepipe;fieldtesting-concrete/aggregates;ground-waterpressure;joints-concreteapplications;pressuretesting-concretepipe;sewerpipe(concrete)
【摘要】:Thisisnotaroutinetest.Thevaluesrecordedareapplicableonlytothesewerbeingtestedandatthetimeoftesting.1.1Thispracticecoversproceduresfortestingthejointsofinstalledprecastconcretepipesewerlines,whenusingeitherairorwaterunderlowpressuretodemonstratetheintegrityofthejointandtheconstructionprocedures.Thispracticeisusedfortesting27-in.andlargerdiameterprecastconcretesewerlinesutilizingrubbergasketsealedjoints.1.2AcompletemetriccompaniontoPracticeC1103hasbeendeveloped-C1103M;therefore,nometricequivalentsarepresentedinthispractice.Note18212;Theownershallspecifythefollowing:whowillconduct,observe,andfurnishlabor,material,andmeasuringdevicesandpayforthetests;whoisresponsiblefordetermininglocalgroundconditions;andwhetheranairorwatertestistobeused.Note28212;Theuserofthispracticeisadvisedthattestcriteriapresentedinthispracticearesimilartothoseingeneraluse.Pipe24-in.diameterandsmallershallbeacceptedbyinfiltrationorexfiltrationtestingutilizingPracticeC969orbylowpressureairtestingutilizingPracticeC924.Pipegreaterthan24-in.diametershallbeacceptedbyinfiltrationorexfiltrationtestingutilizingC969.Note38212;Theuserofthispracticeisadvisedthatnocorrelationhasbeenfoundbetweenairlossandwaterleakage.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionsaregiveninSection6.
【中国标准分类号】:Q14
【国际标准分类号】:23_040_50(PIPESANDFITTINGSOFOTHERMATERIALS)
【页数】:2P.;A4
【正文语种】:


Product Code:SAE ARP5987
Title:Guidelines for Engine Health Management System Software Assurance Level
Issuing Committee:E-32 Aerospace Propulsion Systems Health Management
Scope:
Rationale: