Product Code:SAE J80
Title:Automotive Rubber Mats
Issuing Committee:Committee On Automotive Rubber Specs
Scope:【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