BS-EN-15242-2007.pdf
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1、BRITISH STANDARD BS EN 15242:2007 Ventilation for buildings Calculation methods for the determination of air flow rates in buildings including infiltration ICS 91.140.30 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001
2、 Not for Resale, 08/14/2008 20:55:15 MDTNo reproduction or networking permitted without license from IHS -,-,- BS EN 15242:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008 ISBN 978 0 580 55014 0 National foreword Thi
3、s British Standard is the UK implementation of EN 15242:2008. With respect to the Energy Performance of Buildings Directive (EPBD) requirements, attention is drawn to the text of the fourth paragraph of the EN foreword. This recognizes at the present time that, if there is a conflict, existing natio
4、nal regulations take precedence over any requirements set out in this standard. The UK participation in its preparation was entrusted to Technical Committee RHE/2, Ventilation for buildings, heating and hot water services. A list of organizations represented on this committee can be obtained on requ
5、est to its secretary. 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 cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComme
6、nts Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:55:15 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1524
7、2 May 2007 ICS 91.140.30 English Version Ventilation for buildings - Calculation methods for the determination of air flow rates in buildings including infiltration Ventilation des btiments - Mthodes de calcul pour la dtermination des dbits dair y compris les infiltrations dans les btiments Lftung v
8、on Gebuden - Berechnungsverfahren zur Bestimmung der Luftvolumenstrme in Gebuden einschlielich Infiltration This European Standard was approved by CEN on 26 March 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
9、tandard the status of a national standard without any alteration. Up-to-date lists and bibliographical 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, Fr
10、ench, German). A version in any other language made by translation under the responsibility of a CEN 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, Cypru
11、s, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COM
12、IT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15242:2007: E Copyright British Standards Institution Provided by
13、 IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:55:15 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 15242:2007 (E) 2 Contents Page Foreword. 3 Introduction 4 1 Scope 6 2 Normative references . 6 3 Terms and de
14、finitions. 7 4 Symbols and abbreviations . 9 5 General approach 10 6 Instantaneous calculation (iterative method).12 6.1 Basis of the calculation method 12 6.2 Mechanical air flow calculation . 13 6.3 Passive and hybrid duct ventilation 17 6.4 Combustion air flows 23 6.5 Air flow due to windows open
15、ing 25 6.6 Exfiltration and infiltration using iterative method 27 6.7 Exflitration and infiltration calculation using direct method 28 7 Applications. 30 7.1 General. 30 7.2 Energy 30 7.3 Heating load. 35 7.4 Cooling loads 35 7.5 Summer comfort . 35 7.6 Indoor air quality. 36 Annex A (normative) Da
16、ta on wind pressure coefficients . 37 Annex B (normative) Leakages characteristics 43 Annex C (normative) Calculation of recirculation coefficient Crec. 46 Annex D (normative) Conversion formulas. 48 Annex E (informative) Examples of fuel flow factor for residential buildings 51 Bibliography . 52 BS
17、 EN 15242:2007 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:55:15 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 15242:2007 (E) 3 Foreword This document (EN
18、 15242:2007) has been prepared by Technical Committee CEN/TC 156 “Ventilation for buildings”, the secretariat of which is held by BSI. 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 November 2007
19、, and conflicting national standards shall be withdrawn at the latest by November 2007. This standard has been prepared 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 t
20、he energy performance of buildings (EPBD). It forms part of a series of standards aimed at European harmonisation of the methodology for the calculation of the energy performance of buildings. An overview of the whole set of standards is given in CEN/TR 15615, Explanation of the general relationship
21、 between various CEN standards and the Energy Performance of Buildings Directive (EPBD) (“Umbrella document“). Attention is drawn to the need for observance of relevant EU Directives transposed into national legal requirements. Existing national regulations with or without reference to national stan
22、dards, may restrict for the time being the implementation of the European Standards mentioned in this report. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
23、Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 15242:2007 Copyright British St
24、andards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:55:15 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 15242:2007 (E) 4 Introduction This standard defines the way to calculate the a
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