EN 50306-4-2002 铁路设施.具备专门防火性能的铁路车辆电缆.薄壁.第4部分:多芯和多对电缆标准壁护套
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【英文标准名称】:Railwayapplications-Railwayrollingstockcableshavingspecialfireperformance;Thinwall-Part4:Multicoreandmultipaircablesstandardwallsheathed;GermanversionEN50306-4:2002
【原文标准名称】:铁路设施.具备专门防火性能的铁路车辆电缆.薄壁.第4部分:多芯和多对电缆标准壁护套
【标准号】:EN50306-4-2002
【标准状态】:现行
【国别】:
【发布日期】:2003-05
【实施或试行日期】:2003-05-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;事故预防;包覆材料;电力设备;铁路车辆;电缆;尺寸;多芯电缆;电缆护套;装箱;绝缘套;交通车辆;铁路设施;护套的;铁道车辆;耐力;安全工程;火焰表面传播;防火安全;试验;电压测量;壁厚;多线的;铁路电力牵引装置;保护措施;屏蔽的;多芯的;设计;电驱动装置;安全;铁路;电线;规范(验收);安全要求
【英文主题词】:Accidentprevention;Cablesheaths;Cables;Casing;Claddingmaterials;Design;Dimensions;Electriccables;Electricalcords;Electricalinstallations;Electrically-operateddevices;Firesafety;Insulationsleeve;Marking;Multi-core;Multi-corecables;Multi-wire;Protectivemeasures;Railwayapplications;Railwayelectrictractionequipment;Railwayvehicles;Railways;Resistance;Rollingstocks;Safety;Safetyengineering;Safetyrequirements;Sheated;Shielded;Specification(approval);Surfacespreadofflame;Testing;Trafficvehicles;Voltagemeasurement;Wallthicknesses
【摘要】:
【中国标准分类号】:S35
【国际标准分类号】:13_220_40;29_060_20;45_060_01
【页数】:31P.;A4
【正文语种】:英语
【英文标准名称】:Acousticsandvibration-Laboratorymeasurementofvibro-acoustictransferpropertiesofresilientelements-Part5:Drivingpointmethodfordeterminationofthelow-frequencytransferstiffnessofresilientsupportsfortranslatorymotion
【原文标准名称】:声学和振动.弹性元件振动声传导特性的实验室测量.第5部分:平移运动弹性支座低频传导刚度的传动点测定法
【标准号】:BSENISO10846-5-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-08-31
【实施或试行日期】:2009-08-31
【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】:声学测量;声学;结构产生噪声的衰减;定义(术语);动态的;发动机消音器;频率;频率范围;绝缘子;实验室测试;测量;测量技术;机械性能;听觉范围;弹性元件;噪声衰减;隔音材料;隔音;硬挺度;结构噪声;试验;传递;振动的传递;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;Definitions;Dynamic;Enginesilencers;Frequencies;Frequencyranges;Insulators;Laboratorytesting;Measurement;Measuringtechniques;Mechanicalproperties;Rangeofaudibility;Resilientelements;Soundattenuation;Sounddeadening;Soundinsulation;Stiffness;Structure-bornenoise;Testing;Transfer;Transferofvibrations;Transmission;Vibration;Vibrationdampers;Vibrationdamping;Vibrationengineering;Vibrationinsulation;Vibrationalbehaviour
【摘要】:ThispartofISO10846specifiesadrivingpointmethodfordeterminingthelow-frequencytransferstiffnessfortranslationsofresilientsupports,underaspecifiedpreload.Themethodconcernsthelaboratorymeasurementofvibrationsandforcesontheinputsidewiththeoutputsideblocked,andiscalledthe“drivingpointmethod”.Thestiffnessresultingfrommeasuringtheinputdisplacement(velocity,acceleration)andinputforceisthedynamicdrivingpointstiffness.Onlyatlowfrequencies,wherethedrivingpointstiffnessandthetransferstiffnessareequal,canthismethodbeusedfordeterminationofthedynamictransferstiffness.NOTE1InISO10846-2,thedirectmethodformeasuringthedynamictransferstiffnessiscovered.Thedirectmethodcoversthedeterminationofthelow-frequencydynamictransferstiffnessanditcovers,inprinciple,awiderfrequencyrangethanthedrivingpointmethod.Nevertheless,thedrivingpointmethodiscoveredintheISO10846seriesofinternationalstandardsaswell.Itisconsideredasavaluableoptionforownersof(oftenexpensive)testrigsfordrivingpointstiffnessmeasurements,toextendtheuseoftheserigswiththedeterminationoflow-frequencydynamictransferstiffness.Themethodisapplicabletotestelementswithparallelflanges(seeFigure1).Resilientelements,whicharethesubjectofthispartofISO10846,arethosewhichareusedtoreducea)thetransmissionofvibrationinthelowerpartoftheaudiblefrequencyrange(typically20Hzto200Hz)toastructurewhichmay,forexample,radiateunwantedfluid-bornesound(airborne,waterborneorothers),andb)thetransmissionoflow-frequencyvibrations(typically1Hzto80Hz)whichmay,forexample,actuponhumansubjectsorcausedamagetostructuresofanysizewhenvibrationistoosevere.NOTE2Inpractice,thesizeofavailabletestrig(s)determinesrestrictionsforverysmallandforverylargeresilientsupports.NOTE3Samplesofcontinuoussupportsofstripsandmatsareincludedinthemethod.WhetherornotthesampledescribesthebehaviourofthecomplexsystemsufficientlyistheresponsibilityoftheuserofthispartofISO10846.MeasurementsfortranslationsnormalandtransversetotheflangesarecoveredinthispartofISO10846.Themethodcoversthefrequencyrangefromf1=1HztotheupperlimitingfrequencyfUL.Typically50HzufULu200Hz.ThedataobtainedaccordingtothemethodspecifiedinthispartofISO10846canbeusedforthefollowing:-productinformationprovidedbymanufacturersandsuppliers;-informationduringproductdevelopment;-qualitycontrol,and-calculationofthetransferofvibrationthroughisolators.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01;17_160
【页数】:36P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 运载火箭飞行试验安全检查细则 |
| 中标分类： |
航空、航天 >>
航天器及其附件 >>
航天器综合 |
| ICS分类： |
航空器和航天器工程 >>
航空器与航天器综合
|
| 发布日期： | 1998-01-24 |
| 实施日期： | 1998-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 40页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航天器及其附件 航天器综合 航空器和航天器工程 航空器与航天器综合
