欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    BS EN ISO 14438-2002 Glass in building - Determination of energy balance value - Calculation method《建筑物用玻璃 能量平衡值的测定 计算法》.pdf

    • 资源ID:580658       资源大小:140.87KB        全文页数:14页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    BS EN ISO 14438-2002 Glass in building - Determination of energy balance value - Calculation method《建筑物用玻璃 能量平衡值的测定 计算法》.pdf

    1、BRITISH STANDARD BS EN ISO 14438:2002 Glass in building Determination of energy balance value Calculation method The European Standard EN 14438:2002 has the status of a British Standard ICS 81.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN ISO 14438:2002 This Brit

    2、ish Standard, having been prepared under the direction of the Building and Civil Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 24 June 2002 BSI 24 June 2002 ISBN 0 580 38794 1 National foreword This British Stand

    3、ard is the official English language version of EN ISO 14438:2002. It is identical with ISO 14438:2002. The UK participation in its preparation was entrusted by Technical Committee B/520, Glass and glazing in building, to Subcommittee B/520/4, Properties and glazing methods, which has the responsibi

    4、lity to: A list of organizations represented on this subcommittee can be obtained on request to 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 enti

    5、tled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI 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. Complia

    6、nce with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related i

    7、nternational and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, pages 2 to 11 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. A

    8、mendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO14438 June2002 ICS81.040.20 Englishversion GlassinbuildingDeterminationofenergybalancevalue Calculationmethod(ISO14438:2002) VerredanslaconstructionDterminationdelavaleurdu bilannergtiqueMtho

    9、dedecalcul(ISO14438:2002) GlasimBauwesenBestimmungdesEnergiebilanz WertesBerechnungsverfahren(ISO14438:2002) ThisEuropeanStandardwasapprovedbyCENon5March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanational

    10、standardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertherespon

    11、sibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden

    12、,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO14438:2002EENISO14438:200

    13、2(E) 2 Contents page Foreword3 1 Scope4 2 Normativereferences.4 3 Symbols .4 4 Basicformula 5 5 Basicmaterialproperties .5 6 Solarradiationincident, H p 6 7 Degreedaydata, D p 6 8 Periodofapplication, p 6 9 Principalvaluesandpresentation .6 10 Alternativesimplificationofprincipalvaluesandpresentatio

    14、n 7 AnnexA (informative) Examplesofclimaticdata p, Dpand Hp8 AnnexB (informative) Examplesofcalculationoftheenergybalancevalue .9 Bibliography .11ENISO14438:2002(E) 3 Foreword Thisdocument(ENISO14438:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC129 “Glassinbuilding“, thesecretariatofwhichisheldbyIB

    15、N,incollaborationwithTechnicalCommitteeISO/TC160 “Glassinbuilding“. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbewithdrawnatthelatest byDecember2002. AccordingtotheCEN

    16、/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKi

    17、ngdom. AfirstFormalVotetookplacewithinCENasprEN14026between20001019and20001219. AnnexesAandBareinformative. ThisstandardincludesaBibliography.ENISO14438:2002(E) 4 1 Scope ThisEuropeanStandardspecifiesacalculationmethodtodeterminetheenergybalancevalueofglazing.This EuropeanStandardappliestotransparen

    18、tmaterialssuchasglassandcombinationsofglassusedtoglaze windowsinbuildings. Thismethodisintendedtoevaluatethebalanceofheatlossandusefulheatgainbysolarradiationenteringthe buildingthroughtheglazingforagivenperiodbymeansofanaveragerateofloss(orgain)ofheatcalledthe energybalancevalue. Themethodenablespr

    19、oducerstocomparetheperformanceoftheirglazingproducts.Theenergybalancevalue shouldnotbeusedforenergyuseorheatingcapacitycalculationsinbuildings. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferences,provisionsfromotherpublications.These normativereferencesarecitedattheappro

    20、priateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments)

    21、. EN410 GlassinbuildingDeterminationofluminousandsolarcharacteristicsofglazing EN673 GlassinbuildingDeterminationofthermaltransmittance(Uvalue)Calculationmethod EN674 GlassinbuildingDeterminationofthermaltransmittance(Uvalue)Guardedhotplatemethod EN675 GlassinbuildingDeterminationofthermaltransmitta

    22、nce(Uvalue)Heatflowmetermethod EN832 ThermalperformanceofbuildingsCalculationofenergyuseforheatingResidentialbuildings 3 Symbols D degreedays K24h utilityfactor H unobstructedincidentsolarradiation kWh/m 2 g totalsolarenergytransmittance(solarfactor) U thermaltransmittance( Uvalue) W/(m 2 K) f facto

    23、rduetoglazingmaintenanceandshadoweffects S functionof Hand Dcharacterisingagivenregion W/(m 2 K) E energybalancevalue W/(m 2 K) Subscripts p periodofapplicationENISO14438:2002(E) 5 4 Basicformula Theenergybalancevalue, E,foragivenperiodiscalculatedaccordingtothefollowingequation: p p D H f g U E (1)

    24、 where: U isthe Uvalueoftheglazing; istheutilityfactor; f isthefactorduetoglazingmaintenanceandshadoweffects ; g istheglazingtotalsolarenergytransmittance(solarfactor); H p istheunobstructedincidentsolarradiationduringthegivenperiod; D p isthedegreedaytotalforthegivenperiod. NOTE Anexampleofcalculat

    25、ionisgiveninannexB. 5 Basicmaterialproperties 5.1 U Value(thermaltransmittance) The Uvalueoftheglazingisdeterminedbycalculation,inaccordancewithEN673ormeasurementinaccordance withEN674orEN675. 5.2 Utilityfactor, Theutilityfactorforabuildingorspaceinabuildingistheratiooftheusefulheatgains,whichdispla

    26、cethe functionalheatingoveradefinedperiod,tothetotalheatgainsduringtheperiod. Theutilityfactorisessentiallyapropertyofthebuildingdesign. Theutilityfactorcannotexceedunity.Itsprecisevaluedependsontheabilityofthebuildingandthecontrolofits heatingsystemstodisplaceitsfunctionalheatingloadwhilemaintainin

    27、gdesirabletemperaturesinside. Theutilityfactorisdependentontheperiodchosenandthelengthoftheperiod. Itsvaluefortypicalconstructionssuchaswindowsinbuildingsliesbetween0,4and0,8forthewinterheatingperiod anditcanbedeterminedexperimentallyorbycalculationinaccordancewithEN832.Forpurposesofcomparison ofgla

    28、zingproductsautilityfactorof0,6shallbeused. 5.3 Glazingtotalsolarenergytransmittance(solarfactor), g Thisisthetotaltransmissionofsolarheatthroughtheglazing,andisthesumofthedirecttransmittanceofsolar radiationandtheamountofabsorbedradiationwhichisconvectedandreradiatedtotheinterior. Thetotalsolarener

    29、gytransmittanceshallbedeterminedinaccordancewithEN410. 5.4 Factorduetoglazingmaintenanceandshadoweffects, f Thisfactorisanallowanceforaccumulateddirtontheglazingsurfaceandshadingeffects.Forverticalornear vertical(15)surfacesthevalue0,8shallbeusedforcomparisonofglazingproducts.ENISO14438:2002(E) 6 6

    30、Solarradiationincident, H p Theamountofunobstructedsolarradiationisdescribedbythefactor H p whichistheamountofsolarradiationin kWh/m 2 incidentupontheverticalglazingsurfaceduringthewholeperiodunderconsideration. DataforselectedsitesareexemplifiedinannexA. NOTE DataforsitesinEuropearefoundin1ofBiblio

    31、graphy. 7 Degreedaydata, D p Degreedayunitsarecomputedasthedifferencebetweenthebasetemperatureandthedailyaverageoutside temperature.Oneunitisaccumulatedforeachdegreekelvintheaveragetemperatureisbelowthebase temperature.Negativevaluesarediscarded.Thisisdoneforeachdayoftheheatingperiodandsummed. Degre

    32、edaydataarecalculatedforthelocalnationalconditions.Officialstatisticsarepublishedinmostcountries. Thebasetemperatureistheinternaldesigncontroltemperatureandshallbedefinedfortheperiodunder consideration.Forpurposesofcomparisonabasetemperatureof18Cshallbeused. Thevalueusedintheequationshallbethetotaln

    33、umberofdegreedays(inkelvins24h)fortheperiodunder consideration.ExamplesaregiveninannexA. 8 Periodofapplication, p Themethodofthisstandardmaybeusedforevaluatingtheenergybalancevalueofglazingforanychosenperiod. Forpurposesofcomparisontheperiodisthe“heatingseason“,i.e.thewholeperiodinthemonthsduringwhi

    34、ch functionalheatingisusedinthebuilding.ExamplesaregiveninannexA. 9 Principalvaluesandpresentation Fortheevaluationoftheenergybalancevalue( E)ofglazingwhichisusedforcomparativepurposesidentical underlyingassumptionsshallbemade. Alltheunderlyingassumptionsshallbestatedanddataprescribedinthisstandards

    35、hallbeused. Statementofunderlyingassumptions: locationofuse; orientationofglazing; sourceofdegreedaydata. Ifvaluesoftheutilityfactorandglazingmaintenancefactordifferentfrom0,6and0,8respectivelyareusedfor purposesotherthanforcomparisonofproducts,thisshallbestated. Anypublicationofenergybalancevaluesh

    36、allbeaccompaniedbyastatement,thattheevaluationisbasedonthe fullpotentialincidentsolarradiation.Anyexternalobstructionwhichovershadowsthewindowtendstoincreasethe energybalancevalue.Therefore,inadditiontoastatementoftheunderlyingassumptionsthefollowing complementarystatementshallbemade: “Thisevaluatio

    37、nisapplicableonlyforunobstructedglazing“. TheenergybalancevalueshallbeexpressedinW/(m 2 K)roundedtoonedecimalfigure.Iftheseconddecimalis five,itshallberoundedtothehighervalues.ENISO14438:2002(E) 7 EXAMPLE1 1,53becomes1,5 EXAMPLE2 1,55becomes1,6 EXAMPLE3 1,549becomes1,5 10 Alternativesimplificationof

    38、principalvaluesandpresentation Thebasicformulacanbesimplifiedasfollows: S g U E (2) where: p p D H f S (3) “S“maybeascribedvaluescorrespondingtoaregionoracountry,wheretheregionorcountrydoesnotextend overawidelydiverseclimaticrange.Foreachregionorcountry“deemedtosatisfy“valuesof Sfortheprincipal orie

    39、ntationsareusedtocharacterisetheclimate,periodofapplicationandutilityfactoroftheincidentsolarradiation asexemplifiedinannexB.ENISO14438:2002(E) 8 AnnexA (informative) Examplesofclimaticdata p, Dpand Hp TableA.1Durationofheatingseason,degreedaytotalsforbasetemperaturesof18Candsolarradiation incidento

    40、nverticalsurfacesforselectedsites Location Heating season Degree day total, D p Solarradiation, H p (kWh/m 2 ) (Duration inclusive) (K24h) North East/West South Belgium (Uccle) Denmark (Copenhagen) France ZoneH1 (Trappes) ZoneH2 (Carpentras) ZoneH3 (Nice) Germany (Hamburg) (Berlin) (Munich) Holland

    41、(DeBilt) Italy (Milan) (Rome) (Messina) UK(South) (London) (ThamesValley) (Midlands) UK(North) UK(Scotland) Japan (Sapporo) (Niigata) (Tokyo) (Kagoshima) Sept/May Sept/May Sept/May Oct/May Nov/April Sept/May Sept/May Sept/May Sept/May Oct/March Nov/March Nov/March Sept/May Sept/May Sept/May Sept/Jun

    42、e Oct/April Nov/April Nov/April 2900 2936 2625 2167 1542 3267 3335 3568 2935 2159 1401 844 2700 3000 3200 3757 2313 1599 1200 202 100 230 235 150 195 203 242 205 107 110 85 200 197 176 175 124 102 93 350 225 410 520 360 348 358 446 358 196 239 191 347 354 303 443 223 228 281 505 420 590 720 630 505

    43、518 649 522 346 442 373 510 497 452 709 364 440 533ENISO14438:2002(E) 9 AnnexB (informative) Examplesofcalculationoftheenergybalancevalue B.1 Exampleofcalculationfromtheclimaticdata D p and H p TableB.1Examplesofclimaticdataforagivencountry,fromTableA.1 Heatingseason (Durationinclusive) Degreeday to

    44、tal, D p (K24h) Solarradiation, H p (kWh/m 2) North East/West South Sept/May 2900 202 350 505 NOTEThenumericalvaluesascribedinthetableaboveareintendedtoillustratethecalculationandapplication oftheprincipleandarenotconstructedtobesimilarortypicalofanyparticularregionorcountry. Exampleofcalculationoftheenergybalancevalueforaconventionaldoubleglazing(airfilling,nolowecoating).


    注意事项

    本文(BS EN ISO 14438-2002 Glass in building - Determination of energy balance value - Calculation method《建筑物用玻璃 能量平衡值的测定 计算法》.pdf)为本站会员(proposalcash356)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开