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【英文标准名称】:Acousticsandvibration-Laboratorymeasurementofvibro-acoustictransferpropertiesofresilientelements-Part2:Dynamicstiffnessofelasticsupportsfortranslatorymotion-Directmethod
【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的动态劲度直接法
【标准号】:ISO10846-2-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:动态的;阻振器;频率;测量;绝缘子;声学测量;硬挺度;传输;振动;结构噪声的消声;减振;隔振;振动特性;可听度范围;消声;振动传输;声衰减;实验室试验;频率范围;发动机消音器;结构噪声;测量技术;隔音;定义;声学;机械性能;振动工程;传递
【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】:ThispartofISO10846specifiesamethodfordeterminingthedynamictransferstiffnessfortranslationsofelasticsupports,underspecifiedpreload.Themethodconcernsthelaboratorymeasurementofvibrationsontheinputsideandblockingoutputforcesandiscalledthedirectmethod.Themethodisapplicabletoelasticsupportswithparallelflanges(seefigure1).NOTE1VibrationisolatorswhicharethesubjectofthispartofISO10846arethosewhichareusedtoreduce:a)thetransmissionofaudiofrequencyvibrations(structure-bornesound,20Hzto20kHz)toastructurewhichmay,forexample,radiateunwantedfluidbornesound(airborne,waterbomeorother);b)thetransmissionoflow-frequencyvibrations(typically1Hzto80Hz)whichmay,forexample,actuponhumansubjectsorcausedamagetostructuresofanysizewhenvibrationistoosevere.NOTE2Inpracticethesizeoftheavailabletestrig(s)mayrestricttheuseofverysmallorverylargeelasticsupports.NOTE3Whenanelasticsupporthasnoparallelflanges,anauxiliaryfixtureshouldbeincludedaspartofthetestelementtoarrangeforparallelflanges.NOTE4Portionsofcontinuoussupportsofstripsandmatsareusedastestsamplesinthismethod.WhetherornottheportiondescribesthebehaviourofthecomplexsystemsufficientlyistheresponsibilityoftheuserofthispartofISO10846.MeasurementsfortranslationsnormalandtransversetotheflangesarecoveredinthispartofISO10846.Themethodcoversthefrequencyrangefrom1Hzuptoafrequencyf1,whichisusuallydeterminedbythetestrig.ThedataobtainedaccordingtothemethodspecifiedinthispartofISO10846canbeusedfor:—productinformationprovidedbymanufacturersandtosuppliers;—informationduringproductdevelopment;—qualitycontrol;—calculationofthetransferofvibrationalenergythroughisolators.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01;17_160
【页数】:18P;A4
【正文语种】:英语