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1、STANDARDISA–75.07–1997FormerlyISA–S75.07–1997LaboratoryMeasurementofAerodynamicNoiseGeneratedbyControlValvesApproved31August1997TMISATheInstrumentation,–Systems,andAutomationSociety标准分享网www.bzfxw.com免费下载ISA-75.07-1997,LaboratoryMeasurementofAerodynamicNoiseGeneratedby
2、ControlValvesISBN:1-55617-653-8Copyright©1997bytheInstrumentSocietyofAmerica.Allrightsreserved.PrintedintheUnitedStatesofAmerica.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,inanyformorbyanymeans(electronic,mechanical,photocopying,reco
3、rding,orotherwise),withoutthepriorwrittenpermissionofthePublisher.ISA67AlexanderDriveP.O.Box12277ResearchTrianglePark,NorthCarolina27709PrefaceThispreface,aswellasallfootnotesandannexes,isincludedforinformationpurposesonlyandisnotpartofISA-75.07-1997.ThisStandardhasbe
4、enpreparedaspartoftheserviceofISA,theinternationalsocietyformeasurementandcontrol,towardagoalofuniformityinthefieldofinstrumentation.Tobeofrealvalue,thisdocumentshouldnotbestaticbutshouldbesubjecttoperiodicreview.Towardthisend,theSocietywelcomesallcommentsandcriticism
5、sandasksthattheybeaddressedtotheSecretary,StandardsandPracticesBoard,ISA;67AlexanderDrive;P.O.Box12277;ResearchTrianglePark,NC27709;Telephone(919)990-9227;Fax(919)549-8288;Internet:standards@isa.org.TheISAStandardsandPracticesDepartmentisawareofthegrowingneedforattent
6、iontothemetricsystemofunitsingeneral,andtheInternationalSystemofUnits(SI)inparticular,inthepreparationofinstrumentationstandards,recommendedpractices,andtechnicalreports.TheDepartmentisfurtherawareofthebenefitstoUSAusersofISAstandardsofincorporatingsuitablereferencest
7、otheSI(andthemetricsystem)intheirbusinessandprofessionaldealingswithothercountries.Towardthisend,thisDepartmentwillendeavortointroduceSI-acceptablemetricunitsinallnewandrevisedstandardstothegreatestextentpossible.StandardforUseoftheInternationalSystemofUnits(SI):TheMo
8、dernMetricSystem,publishedbytheAmericanSocietyforTesting&MaterialsasIEEE/ASTMSI10-97,andfuturerevisions,willbethereferencegu
