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1、BRITISH STANDARD BS EN ISO 12567-2:2005 Thermal performance of windows and doors Determination of thermal transmittance by hot box method Part 2: Roof windows and other projecting windows The European Standard EN ISO 12567-2:2005 has the status of a British Standard ICS 91.120.10; 91.060.50 ? Licens
2、ed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 12567-2:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 23 January 2006 BSI 23 January 2006 ISBN 0 580 46823 2 National forewo
3、rd This British Standard is the official English language version of EN ISO 12567-2:2005. It is identical with ISO 12567-2:2005. The UK participation in its preparation was entrusted to Technical Committee B/540, Energy performance of materials components and buildings, which has the responsibility
4、to: A list of organizations represented on this committee 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 Catalogue under the section entitled “Internationa
5、l Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or 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 S
6、tandard 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 UK interests informed; monitor related international and Europea
7、n 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, the EN ISO foreword page, the ISO title page, pages ii to v, a blank page, pages 1 to 25 and a back cover. The BSI copyright notice displayed in this do
8、cument indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 12567-2 October 2005 ICS 9
9、1.120.10; 91.060.50 English Version Thermal performance of windows and doors - Determination of thermal transmittance by hot box method - Part 2: Roof windows and other projecting windows (ISO 12567-2:2005) Isolation thermique des fentres et portes - Dtermination de la transmission thermique par la
10、mthode la bote chaude - Partie 2: Fentres de toit et autres fentres en saillie (ISO 12567-2:2005) Wrmetechnisches Verhalten von Fenstern und Tren - Bestimmung des Wrmedurchgangskoeffizienten des Heizkastenverfahrens - Teil 2: Dachflchenfenster und andere auskragende Fenster (ISO 12567-2:2005) This E
11、uropean Standard was approved by CEN on 14 October 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical reference
12、s concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into i
13、ts own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lu
14、xembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of
15、 exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12567-2:2005: E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 12567-2:2005 Foreword This document (EN ISO 12567-2:2005) has been
16、 prepared by Technical Committee ISO/TC 163 “Thermal insulation“ in collaboration with Technical Committee CEN/TC 89 “Thermal performance of buildings and building components“, the secretariat of which is held by SIS. This European Standard shall be given the status of a national standard, either by
17、 publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impleme
18、nt this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. E
19、ndorsement notice The text of ISO 12567-2:2005 has been approved by CEN as EN ISO 12567-2:2005 without any modifications. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 12567-2:2005(E) INTERNATIONAL STANDARD ISO 12567-2
20、 First edition 2005-10-15 Thermal performance of windows and doors Determination of thermal transmittance by hot box method Part 2: Roof windows and other projecting windows Isolation thermique des fentres et portes Dtermination de la transmission thermique par la mthode la bote chaude Partie 2: Fen
21、tres de toit et autres fentres en saillie EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page For
22、eword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Principle. 2 5 Requirements for test specimens and apparatus . 2 5.1 General. 2 5.2 Test specimen location 2 5.3 Calibration panels. 4 5.4 Baffle position. 5 6 Procedure 6 6.1 General. 6 6.2 Calibration measur
23、ements. 6 6.3 Specimen measurements 6 6.4 Expression of results . 6 7 Test report . 6 Annex A (normative) Environmental temperature 7 Annex B (normative) Linear thermal transmittance of the edge zone 11 Annex C (informative) Example of calibration test and measurement of a roof window specimen 16 Bi
24、bliography. 25 EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of p
25、reparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental,
26、in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main ta
27、sk of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attenti
28、on is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 12567-2 was prepared by Technical Committee ISO/TC 163, Thermal performance and energy use in the built
29、environment, Subcommittee SC 1, Test and measurement methods. ISO 12567 consists of the following parts, under the general title Thermal performance of windows and doors Determination of thermal transmittance by hot box method: Part 1: Complete windows and doors Part 2: Roof windows and other projec
30、ting windows. EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI v Introduction This part of ISO 12567 should be read together with ISO 12567-1:2000 Thermal performance of windows and doors Determination of thermal transmitt
31、ance by hot box method Part 1: Complete windows and doors. These two parts were jointly developed by ISO and CEN. They are designed to provide standardised thermal transmittance test values, to enable product comparisons to be made. ISO 12567-1:2000 specifies standardised specimen sizes and applied
32、test criteria. It is recognised that the thermal performance of products will vary with heat flow direction and so it is preferable to test these products at the orientation in which they will be installed. However, as there are only a few hot boxes capable of carrying out such measurements, this me
33、asurement procedure specifies that it is acceptable to measure the thermal transmittance of roof windows mounted vertically to facilitate the fair comparison of products. It should be noted that measurements with the specimen mounted vertically will generally produce U-values lower than those measur
34、ed at other orientations with heat flow up. An alternative to measuring at the actual orientation that will be used in practice is to carry out calculations of convective and radiant heat transfer using the procedures specified in ISO 15099, ISO 10077-1, ISO 10077-2 and EN 673. EN ISO 12567-2:2005 L
35、icensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 1 Thermal performance of windows and doors Determination of thermal transmittance
36、 by hot box method Part 2: Roof windows and other projecting windows 1 Scope This part of ISO 12567 specifies a method to measure the thermal transmittance of roof windows and projecting windows. It does not include: edge effects occurring outside the perimeter of the specimen; energy transfer due t
37、o solar radiation on the specimen; effects of air leakage through the specimen. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the re
38、ferenced document (including any amendments) applies. ISO 7345:1987, Thermal insulation Physical quantities and definitions ISO 8990:1994, Thermal insulation Determination of steady-state thermal transmission properties Calibrated and guarded hot box ISO 12567-1:2000, Thermal performance of windows
39、and doors Determination of thermal transmittance by hot box method Part 1: Complete windows and doors 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 7345 and ISO 12567-1 and the following apply. 3.1 projecting windows product, where any glazing laye
40、r projects beyond the outside surface of the building envelope EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 3.2 roof windows any framed glazed product installed in a sloped or horizontal building envelope NOTE 1 Roof
41、 windows are treated as projecting windows. NOTE 2 See also Reference 1 in Bibliography. 4 Principle This part of ISO 12567 is based on a measurement procedure for roof windows and other projecting windows, in accordance with the procedure specified in ISO 12567-1:2000, except for the deviations spe
42、cified below: the window is installed in the surround panel flush to the cold side (insert- or kerb-mounted as shown in Figure 1), to reflect the installation in practice; the calibration procedure and the specimen tests shall be carried out at the same orientation; for practical reasons, vertical m
43、ounting of the specimen is acceptable for product declaration purpose. Although the evaluation of the thermal performance of these types of products will be made for a variety of reasons, it is important that when measurements are made for purposes of product comparison, they are carried out at the
44、same orientation. NOTE For building load or energy calculations, the value may be corrected for the effect of the sloped glazing position using suitable national procedures. 5 Requirements for test specimens and apparatus 5.1 General The construction and operation of the apparatus shall comply with
45、the requirements specified in ISO 8990:1994 except where modified by ISO 12567-1:2000 and this document. 5.2 Test specimen location The test specimen shall be mounted in the surround panel aperture according to the manufacturers instructions. If the method of installation of the roof window in the h
46、ot box cannot be unambiguously determined from the manufacturers installation instructions, the window shall be installed as shown in Figure 1. Flashings and/or kerb (curb) shall be included as the windows are normally installed (see Figure 1). NOTE Kerb and curb are synonymous. EN ISO 12567-2:2005
47、Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 Dimensions in millimetres Key 1 border of metering area 2 surround panel, u 0.04 W/(mK) 3 glazing 4 cold side 5 warm side 6 to be sealed with non-metallic tape or mastic material 7 flashing 8
48、 kerb-mounted roof window 9 insert-mounted roof window Figure 1 Roof window in surround panel (top part: insert-mounted; bottom part: kerb-mounted) EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 5.3 Calibration panels
49、The calibration panels or CTS (calibration transfer standard) shall be mounted in the surround panel aperture flush with the cold face as shown in Figure 2. Dimensions in millimetres Key 1 surround panel 2 boundary effects 3 cold side 4 warm side 5 calibration panel Figure 2 Mounting of calibration panel in aperture EN ISO 12567-2:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:06:26 GMT+00:00 2006, Uncontrolled Copy,