ISO 13347-3-2004 工业风扇.标准化实验室条件下风扇声功率级的测定.第3部分:包络面法
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【英文标准名称】:Industrialfans-Determinationoffansoundpowerlevelsunderstandardizedlaboratoryconditions-Part3:Envelopingsurfacemethods
【原文标准名称】:工业风扇.标准化实验室条件下风扇声功率级的测定.第3部分:包络面法
【标准号】:ISO13347-3-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-08
【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/TC117
【标准类型】:()
【标准水平】:()
【中文主题词】:风扇;声压;声压级;声级;空气噪声;噪声测量;包络面法;声学性质和声学现象;实验室试验;通风机;声学测量;测量技术;消声器;工业设施;空调系统
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Airbornenoise;Air-conditioningsystems;Envelopingsurfacemethods;Fans;Industrialfacilities;Laboratorytesting;Measuringtechniques;Noisemeasurements;Silencers;Soundlevel;Soundpressure;Soundpressurelevel;Ventilators
【摘要】:ThispartofISO13347appliestoindustrialfansasdefinedinISO5801andISO13349.Itislimitedtothedeterminationofairbornesoundemissionforthespecifiedset-ups.Vibrationisnotmeasured,noristhesensitivityofairbornesoundemissiontovibrationeffectsdetermined.ThesizesoffanwhichcanbetestedinaccordancewiththispartofISO13347arelimitedonlybythepracticalaspectsofthetestset-up.Dimensionallimitations,testfandimensions,andairperformancewillcontroltheroomsize,powerandmountingrequirementsforthetestfan.(SmallfansmaybetestedaccordingtothispartofISO13347ortoISO10302,accordingtousage).ThetestarrangementsinthispartofISO13347establishthelaboratoryconditionsnecessaryforasuccessfultest.RarelywillitbepossibletomeettheserequirementsinsituandthispartofISO13347isnotintendedforfieldmeasurements.Intendingusersareremindedthat,inthesesituations,theremaywellbeadditionalacousticsystemeffectswhereinletandoutletconditionsatthefanarelessthanideal.Theenvelopingsurfacemethodsmaybeusedforthedeterminationofopeninletand/oropenoutletsoundpowerleveloffansforthestandardizedinstallationtypesgivenin3.1.Anestimation(withincreaseduncertainty)ofductedsoundpowerforfanstoosmall,orotherwiseinconvenient,fortestingbythein-ductmethoddescribedinISO5136mayalsobeobtainedbytheadditionofendreflectioncorrections(seeAnnexCofISO13347-1:2004).
【中国标准分类号】:J72
【国际标准分类号】:17_140_20;23_120
【页数】:21P.;A4
【正文语种】:英语
【原文标准名称】:工业风扇.标准化实验室条件下风扇声功率级的测定.第3部分:包络面法
【标准号】:ISO13347-3-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-08
【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/TC117
【标准类型】:()
【标准水平】:()
【中文主题词】:风扇;声压;声压级;声级;空气噪声;噪声测量;包络面法;声学性质和声学现象;实验室试验;通风机;声学测量;测量技术;消声器;工业设施;空调系统
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Airbornenoise;Air-conditioningsystems;Envelopingsurfacemethods;Fans;Industrialfacilities;Laboratorytesting;Measuringtechniques;Noisemeasurements;Silencers;Soundlevel;Soundpressure;Soundpressurelevel;Ventilators
【摘要】:ThispartofISO13347appliestoindustrialfansasdefinedinISO5801andISO13349.Itislimitedtothedeterminationofairbornesoundemissionforthespecifiedset-ups.Vibrationisnotmeasured,noristhesensitivityofairbornesoundemissiontovibrationeffectsdetermined.ThesizesoffanwhichcanbetestedinaccordancewiththispartofISO13347arelimitedonlybythepracticalaspectsofthetestset-up.Dimensionallimitations,testfandimensions,andairperformancewillcontroltheroomsize,powerandmountingrequirementsforthetestfan.(SmallfansmaybetestedaccordingtothispartofISO13347ortoISO10302,accordingtousage).ThetestarrangementsinthispartofISO13347establishthelaboratoryconditionsnecessaryforasuccessfultest.RarelywillitbepossibletomeettheserequirementsinsituandthispartofISO13347isnotintendedforfieldmeasurements.Intendingusersareremindedthat,inthesesituations,theremaywellbeadditionalacousticsystemeffectswhereinletandoutletconditionsatthefanarelessthanideal.Theenvelopingsurfacemethodsmaybeusedforthedeterminationofopeninletand/oropenoutletsoundpowerleveloffansforthestandardizedinstallationtypesgivenin3.1.Anestimation(withincreaseduncertainty)ofductedsoundpowerforfanstoosmall,orotherwiseinconvenient,fortestingbythein-ductmethoddescribedinISO5136mayalsobeobtainedbytheadditionofendreflectioncorrections(seeAnnexCofISO13347-1:2004).
【中国标准分类号】:J72
【国际标准分类号】:17_140_20;23_120
【页数】:21P.;A4
【正文语种】:英语
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