EN 14954-2005 运动场地表面.室外运动场天然草皮和散矿渣表面硬度的测定
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【英文标准名称】:Surfacesforsportsareas-Determinationofhardnessofnaturalturfandunboundmineralsurfacesforoutdoorsportsareas;EnglishversionofDINEN14954:2006
【原文标准名称】:运动场地表面.室外运动场天然草皮和散矿渣表面硬度的测定
【标准号】:EN14954-2005
【标准状态】:现行
【国别】:
【发布日期】:2006-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:检验设备;建筑;测定;外部面积;地板覆盖物;运动用地板;硬度;矿物;天然的;露天;户外装置;运动场;运动设施;试验;试验条件;试验装置;草皮
【英文主题词】:Checkingequipment;Construction;Determination;Exteriorareas;Floorcoverings;Floorforsportingactivities;Hardness;Minerals;Natural;Openair;Outdoorinstallations;Sportsareas;Sportsfacilities;Testing;Testingconditions;Testingdevices;Turf
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_220_10
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Determinationofsoundpowerradiatedintoaductbyfansandotherair-movingdevices-In-ductmethod(ISO5136:2003);EnglishversionofDINENISO5136:2009-11
【原文标准名称】:声学,风机或其他空气移动装置辐射入管道中的声功率的测定.管道法(ISO5136:2003),德文版本ENISO5136:2009
【标准号】:DINENISO5136-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-11
【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】:
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Definitions;Determination;Ductmethods;Ductedfans;Fans;Loudnesslevels;Measurement;Measuringresults;Measuringtechniques;Noise(environmental);Noisemeasurements;Powerlevels;Sound;Soundintensity;Soundlevel;Soundlevels;Soundpower;Testing;Ventilators;Volume(sound)
【摘要】:1.1GeneralThisInternationalStandardspecifiesamethodfortestingductedfansandotherair-movingdevicestodeterminethesoundpowerradiatedintoananechoicallyterminatedductontheinletand/oroutletsideoftheequipment.NOTE1Forthesakeofbrevity,wherevertheterm"fan"occursinthetext,itmeans"fanorotherair-movingdevice".Themethodisapplicabletofanswhichemitsteady,broad-band,narrow-bandanddiscrete-frequencysoundandtoairtemperaturesbetween-50℃and+70℃.Thetestductdiameterrangeisfrom0,15mto2m.Testmethodsforsmall(d<0,15m)andlarge(d>2m)testductsaredescribedintheinformativeAnnexesHandI,respectively.Themaximummeanflowvelocityatthemicrophoneheadforwhichthemethodissuitabledependsonthetypeofmicrophoneshieldused,andisasfollows:--foamball15m/s;--nosecone20m/s;--samplingtube40m/s.Abovethesevaluesthesuppressionofturbulentpressurefluctuationsbythemicrophoneshield(see3.9)maybeinsufficient.ItisexpectedthatsoundpowertestswillbeconductedinconjunctionwithairflowperformancetestsinaccordancewithISO5801.Theductingarrangementwillthereforenormallyincorporatea"star"typeflowstraightenerontheoutletsideofthefanwhichwillminimizeswirl(see7.3).Whereitispermissibletodeletethestraighteneras,forexample,withlargefanstoinstallationcategoryCaccordingtoISO5801:1997,themethodislimitedtoaswirlangleof15~.(AnexampleofamethodfordeterminingtheangleofswirlisgiveninAnnexJ.)NOTE2TheinstallationcategoriesdefinedinISO5801implythatthefaniseitherductedontheoutletsideonly(categoryB),ontheinletsideonly(categoryC)oronbothsides(categoryD).1.2TypesofsoundsourceThemethoddescribedinthisInternationalStandardisapplicabletoasoundsourceinwhichafanisconnectedtoductsonatleastoneside.Itisalsoapplicabletootherfan/attenuatorcombinationsorequipmentincorporatingfanswhichcanbeconsideredas"blackboxes".ExamplesoffansandotherequipmentcoveredbythisInternationalStandardare--ductedcentrifugalfans,--ductedaxialflowfans,ductedmixed-flowfans,ductedair-handlingunits,ducteddustcollectionunits,ductedair-conditioningunits,andductedfurnaces.ThisInternationalStandardisalsoapplicabletootheraerodynamicsourcessuchasboxes,dampersandthrottledevicesprovidedthataquietairflowdeliveredbyanauxiliaryfanisavailableandthesignal-to-noiseratioofsoundpressurestoturbulentpressurefluctuationsinthetestductisatleast6dB(see7.2.1).Analternativemethodtodeterminethesoundpowerleveloftheflow-generatednoiseofsuchaerodynamicsoundsources,whichdoesnotrequirethemeasurementofsoundpressureinaflowenvironment,isdescribedinISO7235.Themethodwasoriginallydevisedforthedeterminationoftheflownoiselevelofductedsilencers.Thesoundpowerisdeterminedinareverberationroomconnectedtothetestductviaatransitionelement.Inthecaseofductedfanswithcloselycoupledattenuators,thesignal-to-noiseratioofsoundpressurestoturbulentpressuresmaybeinsufficientwhenusingthein-ductmethod.ThereforethemethoddescribedinISO7235isrecommendedforsuchfan/attenuatorcombinations.ThisInternationalStandardisnetapplicabletonon-ductedfansorequipment.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;23_120
【页数】:79P.;A4
【正文语种】:英语
基本信息
标准名称: | 铁道车辆词汇 第7部分:采暖、通风及空气调节装置 |
英文名称: | Railway vehicle vocabulary—Part 7:Heating,ventillation and air conditioning equipment |
中标分类: |
铁路 >>
铁路车辆 >>
铁路车辆综合 |
ICS分类: |
|
替代情况: | GB/T 4549.7-1984 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
发布日期: | 2004-06-11 |
实施日期: | 2004-12-01 |
首发日期: | 1984-07-03 |
作废日期: | 1900-01-01 |
主管部门: | 铁道部 |
提出单位: | 中华人民共和国铁道部 |
归口单位: | 铁道部标准计量研究所 |
起草单位: | 南京浦镇车辆厂、铁道部标准计量研究所 |
起草人: | 潘忆宁、孙瑛、齐兵 |
出版社: | 中国标准出版社 |
出版日期: | 2004-12-01 |
页数: | 16开, 页数:14, 字数:23千字 |
书号: | 155066.1-21736 |
适用范围
本部分界定了铁道车辆采暖、通风及空气调节装置的术语。本部分适用于有关铁道车辆的标准、技术文件及科技出版物等。
前言
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所属分类: 铁路 铁路车辆 铁路车辆综合