BS EN 13030-2001 Ventilation for buildings - Terminals - Performance testing of louvres subjected to simulated rain《建筑物的通风 终端 放气窗经受模拟雨淋的性能试验》.pdf

1、BRITISH STANDARD BS EN 13030:2001 Ventilation for buildings Terminals Performance testing of louvres subjected to simulated rain The European Standard EN 13030:2001 has the status of a British Standard ICS 91.140.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13030:20

2、01 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 30 November 2001 BSI 30 November 2001 ISBN 0 580 38739 9 National foreword This British Stan

3、dard is the official English language version of EN 13030:2001. The UK participation in its preparation was entrusted to Technical Committee RHE/2, Air distribution and air diffusion, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to

4、 its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI

5、 Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enqu

6、irers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprise

7、s a front cover, an inside front cover, the EN title page, pages 2 to 31 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13030 O

8、ctober2001 ICS91.140.30 Englishversion VentilationforbuildingsTerminalsPerformancetestingof louvressubjectedtosimulatedrain VentilationdesbtimentsBouchesdairEssaide performancedesgrillesdairextrieursoumisesunepluie simule LftungvonGebudenEndgerteLeistungsprfungvon WetterschutzblendenbeiBeanspruchung

9、durchBeregnung ThisEuropeanStandardwasapprovedbyCENon18August2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnationa

10、l standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe

11、official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EURO

12、PISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13030:2001EEN13030:2001(E) 2 Contents Foreword .3 1 Scope4 2 Normativereferences4 3 Termsanddefinitions.5 4 Symbolsandsubscrip

13、ts.6 4.1 Symbols .6 4.2 Subscripts6 5 Instrumentation .7 5.1 Airflowratemeasurement .7 5.2 WindVelocityMeasurement 7 5.3 PressureMeasurement.7 5.4 Temperaturemeasurement 8 5.5 Waterflowmeters . 8 5.6 Timers.8 5.7 Raingauge .8 6 Testapparatus .8 6.1 General .8 6.2 Windsimulationequipment .8 6.3 Weath

14、ersection. 9 6.4 Rainsimulationequipment 9 6.5 Collectionduct . .9 6.6 Watercollection .9 6.7 Aerodynamicmeasurementsection .9 6.8 Mechanicalventilationsection 10 6.9 Testspecimenandcalibrationplate .10 7 Testmethods.1 0 7.1 Waterpenetrationtest 10 7.2 Dischargeandentrylosscoefficient/pressureloss13

15、 8 Classificationofweatherlouvres14 8.1 General .14 8.2 Penetrationclassification.14 8.3 DischargeandEntrylosscoefficient15 8.4 Classificationnomenclature 15 AnnexA (normative) Simulatedrainspraynozzles16 AnnexB (normative) Watereliminatorperformancetest.17 B.1 General .17 B.2 Installation .17 B.3 P

16、rocedure.17 AnnexC (normative) Diagramsofapparatusandtypicalgraphs 18 AnnexD (informative) Typicalcalculationexamples25 D.1 Testresults 25 D.2 Entrylosscoefficientofentry27 D.3 Louvreeffectiveness.31 D.4 Classification.31EN13030:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommit

17、teeCEN/TC156“Ventilationfor buildings“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshall bewithdrawnatthelatestbyApril2002. TheannexesA,BandCa

18、renormative.AnnexDisinformative. Warning Attentionisdrawntothepossiblerisksassociatedwithlegionella,ifrecirculatedwaterisusedor biofilmsareallowedtodevelopwithinthefacilityduringweatherlouvretesting,inorderthat appropriateprecautionsaretakentosafeguardthehealthofthoseinvolved. AccordingtotheCEN/CENE

19、LECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN130

20、30:2001(E) 4 1Scope ThisEuropeanStandardspecifiesamethodformeasuringthewaterrejectionperformanceoflouvres subjecttosimulatedrainandwindpressures,bothwithandwithoutairflowthroughthelouvreunder test.Forthepurposeoftestsinthisstandard,a1000mm 1000mmsectionofweatherlouvreorthe nearestpossiblebladeincrem

21、entisconsidered. Weatherlouvresaredesignedtorestrictthepassageofwaterduringrainfallwhileallowingthe passageofairintoorfromanairdistributionsystemorpartofabuilding.Theyareusedinawide rangeofapplications,wheretheremaybedifferencesinwindspeedanddirection,levelsoflocal turbulence,rateanddropletsize,dist

22、ributionofrainfallandsurfacewaterflowfromthesurrounding structure.Itisimpracticaltoconsiderastandardtestproceduresimulatingthewholerangeoflikely conditions,butthisstandardprovidesforheavyrainfalldirectedontothelouvresurface,with simulatedwindpressures.Thisprovidesacommonbasisonwhichtocomparethewater

23、rejection performanceofweatherlouvresofdifferentdesigns.Thisstandardisnotintendedfortheevaluation ofweatherperformanceofpressurereliefdampers. ThepurposeoftestsincorporatedinthisEuropeanStandardisasfollows: a) Weathertests Toestablishtheweatherlouvreeffectivenesswhensubjectedtowindpressureatvariousa

24、irflow rates. b) DischargeandEntrylosscoefficient/Pressurerequirements Toestablishtheairpressurelossthroughtheweatherlouvreatvariousairflowratesandby calculationtheDischargeandEntryLossCoefficient. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother pu

25、blications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferencesthesubsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendment orrevision.Forundatedreferencesthelatesteditio

26、nofthepublicationreferredtoapplies(including amendments). EN24185, MeasurementofliquidflowinclosedconduitsWeighingmethod(ISO4185:1980) CR12792, VentilationforbuildingsSymbolsandTerminology ENISO51671, MeasurementoffluidflowbymeansofpressuredifferentialdevicesPart1orifice plates,nozzlesandventuritube

27、sinsertedintocircularsectionconduitsrunningfull (ISO51671:1991) ISO5221, AirdistributionandairdiffusionRulestomethodsofmeasuringairflowrateinanair handlingduct ISO5801, IndustrialfansPerformancetestingusingstandardizedairwaysEN13030:2001(E) 5 3 Termsanddefinitions ForthepurposesofthisEuropeanStandar

28、dthetermsanddefinitionsgiveninCR12792,together withthefollowing,apply. 3.1 weatherlouvre deviceintendedtoallowthepassageofsupplyorexhaustairwhileminimisingtheingressofrain; louvrescanhaveeitherfixedoradjustableblades 3.2 insertionloss differenceinsimulatedrainpenetrationbetweenthetestspecimen(weathe

29、rlouvre)andthe calibrationplateatthesametestconditions 3.3 weatherlouvrecorearea productoftheminimumheight Handminimumwidth Wofthefrontopeningintheweatherlouvre assemblywiththelouvrebladesremoved(seeFigureC.5) 3.4 louvrecalibrationplate platehavinganopeningofthesamegeometricshapeanddimensionsastheco

30、reareaofthetest specimen 3.5 dischargeorentrylosscoefficientofalouvre actualairflowratedividedbythetheoreticalairflowrateatagivenpressuredifferenceacrossthe louvre.Forlouvrestestedwithairflowinthereversedirectionthenthecoefficientofdischarge becomesthecoefficientofentry 3.6 theoreticalairflow produc

31、tofthelouvrecoreareaandtheairvelocitycalculatedusingthepressuredifferenceacrossthe louvreasthevelocitypressure,assuming C D or C E =1 3.7 weatherlouvreeffectiveness quotientresultingfromthevalueoftheinsertionlossofthelouvreassemblyatanyairvelocitydivided bytheamountofwaterpenetrationofthecalibration

32、plateatthatvelocityEN13030:2001(E) 6 4 Symbolsandsubscripts 4.1Symbols Symbol Quantity Unit A Louvrecorearea/areaoftheholeincalibrationplate m 2 C D DischargeLossCoefficient C E EntryLossCoefficient p sa Absolutestaticpressure Pa p a Atmosphericpressure Pa p d Dynamic(velocity)pressure v 2 Pa p ta S

33、tagnationorabsolutetotalpressure Pa p s Staticgaugepressure( p sa p a ) Pa p t Totalpressure( p ta p a ) Pa p Flowmeterpressuredifference Pa p t Conventionaltotalpressuredifferentialforanairdensityof1,2kg.m 3 atthe inlettothelouvreorvalveundertest Pa q v Volumeflowrateofairattheflowmeter m 3 s 1 q s

34、 Watersupplyratetothenozzles lh 1 q u Waterrejectionratecollectedupstreamofthetestlouvre lh 1 q d Waterpenetrationratecollecteddownstreamofthetestlouvre lh 1 v w Windvelocity ms 1 v c Corevelocity ms 1 Effectiveness % Airdensity kgm 3 Temperature C 4.2Subscripts 1 outletoftheweatherlouvreundertest m

35、 measuringpointattheairflowmeter n valueatselectedpointofairflowrate/staticpressurecurve o measuredvaluewithcalibrationplate corr nom (usedtoshowcorrectvaluesagainstreferencesvalues)EN13030:2001(E) 7 5Instrumentation 5.1 Airflowratemeasurement 5.1.1 Theairflowrateshallbemeasuredusinginstrumentsandte

36、chniquesinaccordancewithISO 5221,ENISO51671andISO5801. 5.1.2 AirflowmetersshallhaverangesandaccuraciesasspecifiedinTable1. Table1Rangeandaccuracyofairflowmeters Range Errorlimit m 3 s 1 % 0,07to7 2,5 0,007to0,07 5,0 NOTE Flowmeterscanbecalibratedinsitubymeansofpitotstatictubetraversetechniquesdescri

37、bedin ISO3966. 5.1.3 Flowmetersshallbecheckedatintervalsasappropriatebutnotexceeding12months.This checkcantaketheformofoneofthefollowing: a) adimensionalcheckforallflowmetersnotrequiringcalibration; b) acheckcalibrationovertheirfullrangeusingtheoriginalmethodemployedforinitial calibrationormeterscal

38、ibratedinsitu; c) acheckagainstaflowmeterwhichmeetstheflowmeterspecificationISO5221. 5.2 WindVelocityMeasurement Thewindvelocityshallbemeasuredusingapitottube,vaneanemometerorothersimilarstyle instrumentforwhichthemeasuringerrordoesnotexceed2,0% 5.3Pressure Measurement 5.3.1 Pressureintheductshallbe

39、measuredbymeansofaliquidfilledcalibratedpressuregauge, oranyotherdeviceconformingto5.3.2. 5.3.2 ThemaximumscaleintervalshallnotbegreaterthanthevaluesgiveninTable2forthe appropriaterangeofpressuregauges. Table2Rangeandmaximumscaleintervalforpressuremeasurement Range Max.scaleinterval Pa Pa 25 1,0 25t

40、o 250 2,5 250to 500 5,0 500 25,0EN13030:2001(E) 8 5.3.3 Forairflowmeasurements,theminimumpressuredifferentialshallbe: a) 25Pawithaninclinedtubepressuregaugeormicropressuregauge; b) 500Pawithaverticaltubepressuregauge. 5.3.4 Calibrationstandardsshallbeasfollows: a) forinstrumentswiththerange 25Pa,apr

41、essuregaugewithanerrorlimitof 0,5Pa; b) forinstrumentswiththerange25 500Pa,apressuregaugewithanerrorlimitof 2,5 Pa(verticalpressuregauge). 5.4Temperature measurement Measurementoftemperatureshallbebymeansofmercuryinglassthermometers,resistance thermometers,orthermocouples.Instrumentsshallbegraduated

42、togivereadingsinintervalsnot greaterthan0,5Kandcalibrateduptothenearest0,25K. 5.5 Waterflowmeters 5.5.1 The measurementerrorofwaterflowmetersshallnotexceed0,5%oftheindicatedflowrate. 5.5.2 Waterflowmetersshallbecalibratedagainstaknownweightofwaterflowingfora measurementtimeperiodasspecifiedinEN24185

43、. 5.6Timers Theerrorlimitfortimersfordeterminingwaterflowratesshallnotexceed0,2s. 5.7 Raingauge Theerrorlimitforraingaugesshallnotexceed2%oftheindicatedreading. 6 Testapparatus 6.1General AdiagramofthetestapparatusisshowninFigureC.1andtherequirementsforthevariouselements describedin6.2to6.8. 6.2 Windsimulationequipment Anexternalfanshallbefittedtodirecttheairperpendiculartotheweatherlouvretestplane,as illustratedinFigureC.2. Theairoutletofthefanandanysilencingorstraighteningsectionshallnotbelessthan1mdiameter. Thefanshallbecapableofproducinganairvelocityof13ms 1 atadistance1minfrontofthetest