IEC 61138-1992 轻便式接地和短路设备用电缆

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Product Code:SAE AS1791
Title:Wire, Retainer, Tube Coupling Nut
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.【英文标准名称】:Acousticsandvibration-Laboratorymeasurementofvibro-acoustictransferpropertiesofresilientelements-Part1:Principlesandguidelines
【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1部分:原理和指南
【标准号】:ISO10846-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学;基础;结构运载噪声的衰减;定义;动态的;发动机消音器;频率;频率范围;一般条件;指导手册;绝缘子;实验室试验;测量;测量技术;机械性能;原则;能听度的范围;噪声衰减;噪声隔音材料;隔音;硬挺度;结构噪声;调查;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】:Acoustic;Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustics;Airbornesound;Basis;Dampingofstructure-bornenoise;Definitions;Dynamic;Enginesilencers;Frequencies;Frequencyranges;Generalconditions;Guidebooks;Insulators;Laboratorytesting;Measurement;Measuringtechniques;Mechanicalproperties;Principles;Rangeofaudibility;Resilientelements;Soundattenuation;Sounddeadening;Soundinsulation;Stiffness;Structure-bornenoise;Surveys;Transfer;Transferofvibrations;Transmission;Vibration;Vibrationdampers;Vibrationdamping;Vibrationengineering;Vibrationinsulation;Vibrationmeasurement;Vibrationtests;Vibrationalbehaviour
【摘要】:ThispartofISO10846explainstheprinciplesunderlyingISO10846-2,ISO10846-3,ISO10846-4andISO10846-5fordeterminingthetransferpropertiesofresilientelementsfromlaboratorymeasurements,andprovidesassistanceintheselectionoftheappropriatepartofthisseriesItisapplicabletoresilientelementsthatareusedtoreducea)thetransmissionofaudiofrequencyvibrations(structure-bornesound,20Hzto20kHz)toastructurewhichmay,forexample,radiatefluid-bornesound(airborne,waterborne,orother),andb)thetransmissionofIow-frequencyvibrations(typically1Hzto80Hz),whichmay,forexample,actuponhumansubjectsorcausedamagetostructuresofanysizewhenthevibrationistoosevere.Thedataobtainedwiththemeasurementmethods,whichareoutlinedinthispartofISO10846andfurtherdetailedinISO10846-2,ISO10846-3,ISO10846-4andISO10846-5,canbeusedfor--productinformationprovidedbymanufacturersandsuppliers,--informationduringproductdevelopment,--qualitycontrol,and--calculationofthetransferofvibrationsthroughresilientelements.Theconditionsforthevalidityofthemeasurementmethodsarea)linearityofthevibrationalbehaviouroftheresilientelements(thisincludeselasticelementswithnon-linearstaticload-deflectioncharacteristics,aslongastheelementsshowapproximatelinearityforvibrationalbehaviourforagivenstaticpreload),andb)thecontactinterfacesofthevibrationisolatorwiththeadjacentsourceandreceiverstructurescanbeconsideredaspointcontacts.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:24P;A4
【正文语种】:英语