DIN EN ISO 17201-4-2006 声学.射程内噪声.第4部分:发射噪音预报(ISO17201-4:2006)

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【英文标准名称】:Acoustics-Noisefromshootingranges-Part4:Predictionofprojectilesound(ISO17201-4:2006);EnglishversionofDINENISO17201-4:2006-07
【原文标准名称】:声学.射程内噪声.第4部分:发射噪音预报(ISO17201-4:2006)
【标准号】:DINENISO17201-4-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【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;射击场地;轻武器;声能;声压级;声音传播;超声波速度;磨损量
【英文主题词】:
【摘要】:Shootingsoundconsistsingeneralofthreecomponents:muzzlesound,impactsound,andprojectilesound.Thisstandardsolelydealswithprojectilesoundwhichonlyoccursiftheprojectilemoveswithsupersonicspeed.Thisstandardspecifiesamethodtocalculatethesourcesoundexposurelevelofprojectilesound.Alsothisstandardgivesguidelinesforcalculatingthepropagationofprojectilesoundasfarasitdeviatesfromthepropagationofothersoundsources.Theprojectilesoundisobtainedbyacalculationmethodinsteadofameasurementmethod,becauseameasurementmethodwouldbeverycomplicatedduetothenon-linearbehaviourofthesoundpropagationclosetotheprojectiletrajectoryandduetothelargenumberofparametersthatdeterminethesoundexposurelevelofprojectilesound.Projectilesoundisdescribedasoriginatingfromacertainpointontheprojectiletrajectory,thesourcepoint.Thesourceleveliscalculatedfromthegeometricpropertiesandthespeedoftheprojectilealongthetrajectory.Asaresultofnon-lineareffects,thefrequencycontentoftheprojectilesoundexposuredependsonthedistancefromthesourcepoint.Thisistakenintoaccount.Guidanceisgivenhowthesoundexposurelevelcanbecalculatedfromthesourcelevel,geometricalattenuation,attenuationduetothenon-lineareffects,atmosphericabsorption,andtheexcessattenuationduetogroundreflectionsandatmosphericrefraction.Alsotheeffectsonthesoundexposurelevelofthedecreaseoftheprojectilespeedandofatmosphericturbulencearetakenintoaccount.#,,#
【中国标准分类号】:Z32;Y55
【国际标准分类号】:17_140_20;95_020;97_220_10
【页数】:25P.;A4
【正文语种】:德语