Product Code:SAE J1726
Title:Air-To-Air Charge Air Cooler (Cac) Internal Cleanliness
Issuing Committee:Cooling Systems Standards Committee
Scope: This SAE Recommended Practice outlines the acceptance criteria and procedure for determining CAC internal cleanliness as it applies to complete assemblies ready for engine air intake loop installation, be it a vehicular or stationary application.【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure-Engineeringmethodsforanessentiallyfreefieldoverareflectingplane(ISO3744:2010);GermanversionENISO3744:2010
【原文标准名称】:声学.声压法测定噪声源的声功率级.反射面上近似自由场的工程法(ISO3744-2010).德文版本ENISO3744-2010
【标准号】:DINENISO3744-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收;声学测量;声学试验;声学;校准;定义(术语);测定;护耳器;包络面法;环境;人类工效学;外部噪声;固定件;安装;数学计算;测量;测量持续时间;测量仪器;测量面;测量技术;方法;计算方法;传声器;噪声;噪声(环境的);噪声测量;噪声源;操作;精密度;反射的;房屋;声音;吸声;声场;声级;噪声值;声功率;声压;声源;规范(验收);标准差;试验设备;试验;试验条件
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Definitions;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Ergonomics;Externalnoise;Fixings;Installations;Mathematicalcalculations;Measurement;Measurementduration;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Methods;Methodsofcalculation;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Reflective;Rooms;Sound;Soundabsorption;Soundfields;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Testequipment;Testing;Testingconditions
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingthesoundpowerlevelorsoundenergylevelofanoisesourcefromsoundpressurelevelsmeasuredonasurfaceenvelopingthenoisesource(machineryorequipment)inanenvironmentthatapproximatestoanacousticfreefieldnearoneormorereflectingplanes.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:92P;A4
【正文语种】:德语