ASTM E2459-2005 测量大型工业燃气轮机和风扇的管内声压级的标准指南

时间:2024-05-03 07:13:20 来源: 标准资料网 作者:标准资料网 阅读:8064
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforMeasurementofIn-DuctSoundPressureLevelsfromLargeIndustrialGasTurbinesandFans
【原文标准名称】:测量大型工业燃气轮机和风扇的管内声压级的标准指南
【标准号】:ASTME2459-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E33.08
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:管道;风扇;燃气轮机;工业轮机;大的;测量;声级;声压
【英文主题词】:fieldsoundpressurelevel;gasturbineexhaustnoise;gasturbineinletnoise;gasturbinenoise;hightemperatureflownoise;in-ductsound;industrialnoise;machinerynoise;noiseinturbulentflow
【摘要】:1.1Thisguideisintendedtoprovideasimpleandconsistentprocedureforthein-situfieldmeasurementofin-ductsoundpressurelevelsinlargelowpressureindustrialairducts,suchasforgasturbinesorfans,whereconsiderationssuchasflowvelocity,turbulenceortemperaturepreventtheinsertionofsoundpressuresensorsdirectlyintotheflow.Thisstandardguideisintendedforbothambienttemperatureintakeairandhotexhaustgasflowinductshavingcrosssectionsoffour(4)squaremeters,ormore.1.2Thedescribedprocedureisintendedtoprovidearepeatableandreproduciblemeasureofthein-ductdynamicpressurelevelattheinletorexhaustofthegasturbine,orfan.Theguideisnotintendedtoquantifythe"true"soundpressurelevelorsoundpowerlevel.Silencers,aswellasWasteHeatBoilers,mustbedesignedusingthein-ductsoundpowerlevelasthebasis.Developingthetruesoundpowerlevelbasedonin-ductmeasurementsoftruesoundpressurewithinacompleteoperatingsystemiscomplexandproceduresaredevelopmentalandoftenproprietary.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Extremecautionismandatorywhenworkingnearhotexhaustgassystemsandappropriatesafetyprecautionssuchastheinstallationofquickactingisolationvalvesarerecommended.
【中国标准分类号】:Z32
【国际标准分类号】:27_040
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Aerospaceseries-Cables,electrical,aircraftuse-Testmethods-Part812:returnloss(VSWR).
【原文标准名称】:航空航天系列.航空器用电缆.试验方法.第812部分:回程损耗(VSWR)
【标准号】:NFL52-250-812-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-03-01
【实施或试行日期】:2010-03-03
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器;电缆;导电体;电气的;电线;多语种的;回程损耗;单线;航天运输;规范(验收);试验
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Cables;Electriccables;Electricconductors;Electrical;Electricalcords;Multilingual;Returnloss;Singlewires;Spacetransport;Specification(approval);Testing
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:9P;A4
【正文语种】:其他


MIL-STD-281A (NOTICE 3), MILITARY STANDARD: AUTOMOBILES, TRUCKS, TRUCK-TRACTORS, TRAILERS AND TRAILER DOLLIES; PRESERVATION AND PACKAGING OF (29 JUL 2004) [S/S BY MIL-STD-3003]., MIL-STD-281A, dated 14 October 1960, is hereby canceled. Future acquisitions for this specification are no longer covered under MIL-V-62038. MIL-STD-3003A(AT), 揤ehicles, Wheeled: Preparation For Shipment And Storage Of?was determined to be a suitable replacement. Users are cautioned to evaluate this document for their particular application before citing is as a replacement document.