【英文标准名称】:Acousticsandvibration-Laboratorymeasurementofvibro-acoustictransferpropertiesofresilientelements-Part2:Directmethodfordeterminationofthedynamicstiffnessofresilientsupportsfortranslatorymotion(ISO10846-2:2008);Englishversion
【原文标准名称】:声学和振动.弹性元件的振动-声传输特性的实验室测量.第2部分:传输运动用弹性支撑件的动态劲度测定用直接法
【标准号】:DINENISO10846-2-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学;结构运载噪音的阻尼;定义;动态的;发动机消音器;频率;频率范围;绝缘子;实验室试验;测量;测量技术;机械性能;能听度的范围;弹性元件;噪声衰减;隔音;硬挺度;结构噪声;传递;振动传递;传输;振动;阻振器;振动衰减;振动工程;防振;振动特性
【英文主题词】:Acousticmeasurement;Acoustics;Dampingofstructure-bornenoise;Definition;Definitions;Dynamic;Enginesilencers;Frequencies;Frequencyranges;Insulators;Laboratorytesting;Measurement;Measuringtechniques;Mechanicalproperties;Rangeofaudibility;Resilientelements;Soundattenuation;Sounddeadening;Soundinsulation;Stiffness;Structure-bornenoise;Transfer;Transferofvibrations;Transmission;Vibration;Vibrationdampers;Vibrationdamping;Vibrationengineering;Vibrationinsulation;Vibrationalbehaviour
【摘要】:ThispartofISO10846specifiesamethodfordeterminingthedynamictransferstiffnessfortranslationsofresilientsupports,underspecifiedpreload.Themethodconcernsthelaboratorymeasurementofvibrationsontheinputsideandblockingoutputforcesandiscalled"thedirectmethod"Themethodisapplicabletotestelementswithparallelflanges(seeFigure1).Resilientelements,whicharethesubjectofthispartofISO10848.arethosewhichareusedtoreducethetransmissionofvibrationinthelowerpartoftheaudiblefrequencyrange(typically20Hzto500Hz)toastructurewhichmay,forexample,radiateunwantedfluid-bornesounri(airborne,waterborneorothers),andthetransmissionoflow-frequencyvibrations(typically1Hzto80Hz),whichmay,forexample,actuponhumansubjectsorcausedamagetostructuresofanysizewhenvibrationistoosevere.NOTEIInpractice,thesizeoftbeavailabletestrig(s)canrestricttheuseofverysmallorverylargeresilientsupportsNOTE2Samplesofcontinuoussupportsofstripsandmatsareincludedinthismethod.Whetherornotthesampledescribesthebehaviourofthecomplexsystemsufficientlyistheresponsibilityoftheuserofthisparto1ISO10846MeasurementsfortranslationsnormalandtransversetotheflangesarecoveredinthispurlofISO10846.Thedirectmethodcoversthefrequencyrangefrom1Hzuptoafrequency/UL,whichisusuallydeterminedbythetestrigNOTE3Becauseofthelargevadetyoftestrigsandtestelements,/ULisvariableInthisparto1ISO10846,theadequacyofthetestrigisnotdefinedforafixedfrequencyrange,butonthebasisofmeasureddata,asdescribedin61to6.4.
【中国标准分类号】:A59
【国际标准分类号】:17_140_01;17_160
【页数】:36P.;A4
【正文语种】:英语