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
