【英文标准名称】:Industrial-processcontrolvalves-Noiseconsiderations-Predictionofnoisegeneratedbyhydrodynamicflow
【原文标准名称】:工业过程控制阀.第8部分:噪声.第4节.气动噪声预测
【标准号】:BSEN60534-8-4-1994
【标准状态】:作废
【国别】:英国
【发布日期】:1994-10-15
【实施或试行日期】:1994-10-15
【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】:噪声(环境的);流体设备;过程控制;控制器;阀门;声强;流动;流体动力学(水);工业的;管;管道工程系统;数学计算;符号
【英文主题词】:Controltechnology;Controlvalves;Electricalengineering;Emissions;Hydrodynamic;Hydrodynamics;Laboratorytests;Mathematicalcalculations;Noise;Noiseemissions;Noisemeasurements;Plant;Precalculation;Processautomation;Processcontrol;Soundintensity;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Symbols;Units;Valves
【摘要】:ThissectionofIEC534-8permitsthedesignersandoperatorsofindustrialprocessplantstodetermineforadefinedlocationthenoisegeneratedbyhydrodynamicflowthroughcontrolvalves.Thesoundpoweremittedintothepipe,aswellastheairbornenoiseemittedbythevalveandpipingsystem,canbepredictedbymeansofcoefficientsthatdefinevalvespecificcharacteristicsandaunifiedcalculationmethod.Atpresent,acommonrequirementbyvalveusersistheknowledgeofthesoundpressureleveloutsidethepipe,typically1mdownstreamofthevalveand1mfromthepipewall.Thissectionoffersamethodtoestablishthisvalue.Thissectionalsoprovidesforcalculatingtheinternalsoundpowerlevel.
【中国标准分类号】:N16
【国际标准分类号】:17_140_20;23_060_40
【页数】:20P.;A4
【正文语种】:英语