BS EN 13745-2004 Surfaces for sports areas - Determination of specular reflectance《运动场表面 镜面反射系数的测定》.pdf

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1、BRITISH STANDARD BS EN 13745:2004 Surfaces for sports areas Determination of specular reflectance The European Standard EN 13745:2004 has the status of a British Standard ICS 59.080.60; 97.150; 97.220.10 BS EN 13745:2004 This British Standard was published under the authority of the Standards Policy

2、 and Strategy Committee on 26 February 2004 BSI 26 February 2004 ISBN 0 580 43484 2 National foreword This British Standard is the official English language version of EN 13745:2004. EN 13745:2004 is one of a series of standards being produced by CEN/TC 217. On publication of the entire series of Eu

3、ropean Standards, the BS 7044 series will be withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/57, Surfaces for sports areas, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.

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

5、 of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text

6、; present to the responsible international/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 comprises a front cove

7、r, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13745 February2004 I

8、CS59.080.60;97.150;97.220.10 Englishversion SurfacesforsportsareasDeterminationofspecular reflectance SolssportifsDterminationdelarflectancespculaire SportbdenBestimmungdergerichtetenReflexion ThisEuropeanStandardwasapprovedbyCENon10December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalR

9、egulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialv

10、ersions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Fin

11、land,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ru

12、edeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13745:2004:EEN13745:2004(E) 2 Contents page Foreword. 3 1 Scope . 4 2 Normativereferences . 4 3 Principle. 4 4A p p a r a t u s (seeFigure1) . 4 5 Testpiece . 5 6 Condit

13、ioning 5 7 Procedure 5 8 Expressionofresults . 6 9 Testreport . 6EN13745:2004(E) 3 Foreword Thisdocument(EN13745:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC217“Surfacesfor sportsarea”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicatio

14、nofanidentical textorbyendorsement,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,Cze

15、chRepublic, Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania, Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerland andUnitedKingdom.EN13745:2004(E) 4 1Scope ThisEuropeanStandardspecifiesamethodforthedeterminationof

16、thespecularreflectanceofcertain surfacesforindoorsportsareas. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelisted hereafter.Fordatedreferences,subs

17、equentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). ISO/CIE10526, CIEstandardilluminantsforcolorimetry. 3Principle Acollimatedincide

18、ntlightbeamisdirectedontoatestpiecetakenfromthesports surfacewhichismounted inanintegratingsphereandthetotallightreflectedisdetectedbyaphotocell. 4Apparatus (seeFigure1) 4.1 Integratingsphere ,ofanydiameter,havingamattwhiteinteriorsurfaceofsimilarreflectancetothatof thereflectancestandardandbaffles.

19、 4.2 Lightentranceportandsampleport ,bothcentredonthesamegreatcircleofthespherewithatleast 170ofarcbetweenthecentreofthelightentranceportandthecentreofthesampleport.Theaxisofthe irradiatingbeamshallpassthroughthecentresofthelightentranceandsampleports.Thesampleportshall notexceed4%oftheinternalrefle

20、ctingareaofthesphereandshallsubtendanangleof8atthecentreof thelightentranceport. 4.3 Reflectancestandard,designedaspartoftheinteriorwallofthesphereadjacenttothesampleport. Theangleofrotationshallnotexceed10. 4.4 Baffles,designedsothatlightcannotpassdirectlyfromtheentranceporttothephotocellor,inposit

21、ion 2(seeFigure1),fromtheilluminatedareaofthespherewalltothephotocell. 4.5 Mountingsfortestpiece ,suchthattheangleofincidenceofthelightbeamonthetestpieceis between80and85. NOTE Thisavoidslightwhichisspecularlyreflectedbeinglostthroughtheentranceport. 4.6 Lightsourceandfilter ,atungstenortungstenhalo

22、genlampappropriatelyfilteredtogivethecolour temperatureofoneoftheilluminantsA,CorD65inaccordancewithISO/CIE10526.Thelightbeamso providedshallbesubstantiallyunidirectional,toilluminatethetestpiece.Themaximumanglewhichanyrayof thisbeammakeswithitsaxisshallnotexceed3.Thebeamshallnotbevignettedateitherp

23、ortofthesphere. Thecrosssectionofthebeamatthesampleportshallbeapproximatelycircular,sharplydefinedand concentricwithintheport,leavinganannulusof1,30,1subtendedattheentranceport.EN13745:2004(E) 5 4.7 Photoelectriccell(s) ,positionedonthesphere9010fromthelightentranceport,tomeasurethe radiantfluxwithi

24、nthespherewithoutputmeasurementsproportionalwithin1%totheincidentfluxoverthe rangeofintensityused.Thereshallbenoreadingwhenthesphereisdark.Thephotoelectriccellshallhavea spectralresponseapproximatingtothe V(l )responseoftheeye. 4.8 Lighttrap ,suchthatwheninpositionatthesampleportandwhenthereisnotest

25、piecepresent,the lightbeamshallbetotallyabsorbedandthephotoelectriccell(4.7)outputshallbelessthan1%ofthefull scalereading. 5 Testpiece Cutthreetestpiecesfromthesurface,eachhavingadiameterequaltothatofthesampleport. 6Conditioning Conditionthetestpiecesforaminimumof3hatthetesttemperature.Unlessotherwi

26、sespecified,thetest temperatureshallbe23 C3 C. 7Procedure Ensuretheannulusdimensionsarecorrectwheneveraperturesorfocusarechanged. Withthesphereinposition1(seeFigure1)andthelightsourceswitchedoff,checkthatthephotoelectriccell readszero. Withthesphereinposition1(seeFigure1)andalighttrapinthesampleport

27、,switchonthelightsource. Measurethephotoelectriccelloutput 1 I . Withthesphereinposition2(seeFigure1),measurethephotoelectriccelloutput,whichistheincident intensity 2 I . Withthetestpieceinthesampleportandthesphereinposition1(seeFigure1),measurethephotoelectric celloutput 3 I . Repeattheprocedurefor

28、eachoftheothertwotestpieces.EN13745:2004(E) 6 8 Expressionofresults Calculatethereflectance Rofthetestpiecesinpercent(%)asfollows: 100 2 3 = I I R where 2 I isthephotoelectriccelloutputwiththesphereinposition2(seeFigure1); 3 I isthephotoelectriccelloutputwiththetestpieceinthesampleportandthespherein

29、position1(see Figure1). NOTE 1 I shouldbesufficientlysmallthatnocorrectionisrequired. Calculatethemeanofthethreereflectances. 9 Testreport Thetestreportshallincludethefollowinginformation: a) referencetothisEuropeanStandard,i.e.EN13745:2004; b) completeidentificationofthesurfacetestedincludingtype,m

30、anufacturersreferenceandprevious history; c) typeoflightsourceusedandthetypeoffilterused; d) typeofinstrumentused,includingthemakeandmodel; e) temperatureatwhichthetestwascarriedout; f)mean reflectance.EN13745:2004(E) 7 Key 1 Condenser 8 Lighttrap 2 Entrancewindow 9 Lightsource 3 Lens 10 Filter 4 Pi

31、votonwhichsphereisrotated 11 Aperture 5 Photoelectriccell 12 Integratingsphere 6 Tometer 13 Testpiece 7 Baffles Figure1HazemeterBS EN 13745:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards

32、. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant

33、aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +4

34、4 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed

35、to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as

36、British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which giv

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