BS-EN-15255-2007.pdf
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1、BRITISH STANDARD BS EN 15255:2007 Energy performance of buildings Sensible room cooling load calculation General criteria and validation procedures The European Standard EN 15255:2007 has the status of a British Standard ICS 91.120.10; 91.140.99 ? Licensed Copy: London South Bank University, London
2、South Bank University, Fri Oct 05 03:01:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 15255:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 September 2007 BSI 2007 ISBN 978 0 580 55448 3 National foreword This British Standard i
3、s the UK implementation of EN 15255:2007. The UK participation in its preparation was entrusted to Technical Committee B/540, Energy performance of materials components and buildings. A list of organizations represented on this committee can be obtained on request to its secretary. This publication
4、does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank Univ
5、ersity, London South Bank University, Fri Oct 05 03:01:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15255 August 2007 ICS 91.140.99; 91.120.10 English Version Energy performance of buildings - Sensible room cooling load calculation - General crit
6、eria and validation procedures Performance thermique des btiments - Calcul de la charge de refroidissement en chaleur sensible dun local - Critres gnraux et procdures de validation Wrmetechnisches Verhalten von Gebuden - Berechnung der wahrnehmbaren Raumkhllast - Allgemeine Kriterien und Validierung
7、sverfahren This European Standard was approved by CEN on 6 July 2007. 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 bibliographi
8、cal references concerning such national standards may be obtained on application to the CEN Management Centre 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 CE
9、N member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, I
10、taly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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
11、-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15255:2007: E Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 03:01:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15255:200
12、7 (E) 2 Contents Page Foreword3 Introduction.4 1 Scope 5 2 Normative references5 3 Terms, definitions, symbols and units6 3.1 Terms and definitions .6 3.2 Symbols and units.8 3.3 Subscripts 9 4 Basic assumptions10 5 Data requirement .10 5.1 General10 5.2 Climatic data.11 5.3 Descriptions of the enve
13、lope elements.11 5.3.1 General11 5.3.2 Boundary conditions.11 5.3.3 Heat transfer coefficients12 5.3.4 Geometrical and thermophysical parameters of the room envelope.13 5.4 Cooling system device14 5.4.1 General14 5.4.2 Convective device14 5.4.3 Cooled surface device.14 5.5 Classification of the cool
14、ing load calculation method 15 6 Report of the calculation.15 6.1 General15 6.2 Input data15 6.3 Output data.16 7 Validation procedures.16 7.1 General16 7.2 Reference room17 7.3 Climatic data.21 7.4 Test cases.23 7.5 Parameters to be calculated.28 7.6 Test results.29 Annex A (informative) Example of
15、 calculation method based on a simplified model .30 A.1 Introduction30 A.2 Calculation of internal air and operative temperatures for a given value of applied cooling power 30 A.2.1 Presentation.30 A.2.2 Determination of the air and operative temperatures32 A.2.3 Terms in Equations (A.1), (A.2), (A.
16、3), (A.4) and (A.5)34 A.3 Calculation of internal temperatures and required cooling power.38 A.3.1 General description.38 A.3.2 Calculation procedure for control on air temperature.42 A.3.3 Calculation procedure for control on operative temperature .43 Bibliography45 Licensed Copy: London South Bank
17、 University, London South Bank University, Fri Oct 05 03:01:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15255:2007 (E) 3 Foreword This document (EN 15255:2007) has been prepared by Technical Committee CEN/TC 89 “Thermal performance of buildings and building components”, the secretariat of which
18、 is held by SIS. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2008, and conflicting national standards shall be withdrawn at the latest by February 2008. This document has been prepare
19、d under a mandate given to CEN by the European Commission and the European Free Trade Association (Mandate M/343), and supports essential requirements of EU Directive 2002/91/EC on the energy performance of buildings (EPBD). It forms part of a series of standards aimed at European harmonisation of t
20、he methodology for the calculation of the energy performance of buildings. An overview of the whole set of standards is given in prCEN/TR 15615. Attention is drawn to the need for observance of EU Directives transposed into national legal requirements. Existing national regulations (with or without
21、reference to national standards) may restrict for the time being the implementation of this European Standard. This European Standard is one of a series of standards on general criteria and validation procedures for transient calculation methods for the design and the evaluation of the thermal and e
22、nergy performance of buildings and building components. No existing European Standard is superseded. The target audience of this European Standard are software developers of building simulation tools and policy makers in the building regulation sector. The standard specifies the boundary conditions
23、and the simplifications needed to reach calculation results for the building part which are comparable. It needs to be emphasized that there exist more sophisticated energy simulation methods and procedures including interactions with the heating, cooling, ventilating and lighting systems which may
24、be used for the design and optimization process of a building but are not in line with existing European Standards. This European Standard provides the means (in part) to assess the contribution that building products and services make to energy conservation and to the overall energy performance of
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