ISO 17201-4-2006 声学.射程内噪声.第4部分:发射噪音预报

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【英文标准名称】:Acoustics-Noisefromshootingranges-Part4:Predictionofprojectilesound
【原文标准名称】:声学.射程内噪声.第4部分:发射噪音预报
【标准号】:ISO17201-4-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-04
【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】:声震动;声学;评定;定义;数学计算;测量;测量技术;噪声辐射;噪声级;手枪;计划;来复枪射程;步枪;射击;射程;射击地;轻武器;声能;声压级;声音传播;超音波速度;磨损量
【英文主题词】:Acousticshocks;Acoustics;Assessment;Definitions;Firearms;Mathematicalcalculations;Measurement;Measuringtechniques;Noiseemissions;Noiselevels;Pistols;Planning;Rifleranges;Rifles;Shooting;Shootingranges;Shooting-grounds;Smallarms;Soundenergy;Soundpressurelevel;Soundpropagation;Supersonicvelocity;Wear-quantity
【摘要】:ThispartofISO17201providesacomputationalmodelfordeterminingtheacousticalsourcelevelofprojectilesoundanditsone-third-octave-bandspectrum,expressedasthesoundexposurelevelfornominalmid-bandfrequenciesfrom12,5Hzto10kHz.Italsogivesguidanceonhowtousethissourceleveltocalculatethesoundexposurelevelatareceiverposition.ThispartofISO17201isintendedforcalibresoflessthan20mm,butcanalsobeappliedforlargecalibres.Additionally,thedatacanbeusedtocomparesoundemissionfromdifferenttypesofammunitionusedwiththesameweapon.ThispartofISO17201ismeantforweaponsusedincivilshootingranges,butisalsoapplicabletomilitaryweapons.Thecomputationalmethodcanbeusedasabasisforenvironmentalnoiseassessmentstudies.Thepredictionmethodappliestooutdoorconditions,straightprojectiletrajectories,andstreamlinedprojectileshapes.Becauseofthelatter,itcannotbeappliedtopellets.DefaultvaluesofparametersusedinthispartofISO17201aregivenforatemperatureof10°C,80%relativehumidity,andapressureof1013hPa.AnnexAcanbeusedforcalculationsinotheratmosphericconditions.Particularlyforcalibres
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Product Code:SAE AMS7312
Title:Piston Rings, Centrifugally-Cast Iron (NONCURRENT October 2001)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a centrifugally-cast, alloyed iron in the form of sleeves for the fabrication of piston rings. Primarily for use as top compression rings, oil scraper rings, and dual oil control rings in aircraft piston engines.【英文标准名称】:Acoustics.Measurementofsoundinsulationinbuildingsandofbuildingelements.Part5:fieldmeasurementsofairbornesoundinsulationoffacadeelementsandfacades.
【原文标准名称】:声学.建筑物和建筑元件的隔音测量.第5部分:正面元件和正面的气载噪声隔音的现场测量
【标准号】:NFS31-049-5-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-12-01
【实施或试行日期】:1998-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:31P;A4
【正文语种】:其他