1、December 2010 Translation by DIN-Sprachendienst.English price group 13No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).I
2、CS 91.140.30!$ld*“1736507www.din.deDDIN EN 13141-2Ventilation for buildings Performance testing of components/products for residentialventilation Part 2: Exhaust and supply air terminal devicesEnglish translation of DIN EN 13141-2:2010-12Lftung von Gebuden Leistungsprfung von Bauteilen/Produkten fr
3、die Lftung von Wohnungen Teil 2: Abluft- und ZuluftdurchlsseEnglische bersetzung von DIN EN 13141-2:2010-12Ventilation des btiments Essais des performances des composants/produits pour la ventilation des logements Partie 2: Bouches dair dvacuation et dalimentationTraduction anglaise de DIN EN 13141-
4、2:2010-12SupersedesDIN EN 13141-2:2004-09www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.2512.10 DIN EN 13141-2:2010-12 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee
5、 CEN/TC 156 “Ventilation for buildings” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Heiz- und Raumluft-technik (Heating and Ventilation Technology Standards Committee), Working Committee NA 041-02-51 AA Lftung von Wohnungen. Ame
6、ndments This standard differs from DIN EN 13141-2:2004-09 as follows: a) the definition of “background noise” (3.4) has been modified; b) Figure 2 in Clause 4 has been revised to show both the test installation for the exhaust air terminal device and the supply air terminal device; c) Clause 5 “Perf
7、ormance testing of acoustic characteristics” has been revised. Previous editions DIN 4797: 1986-01 DIN EN 13141-2: 2004-09 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13141-2 July 2010 ICS 91.140.30 Supersedes EN 13141-2:2004English Version Ventilation for buildings - Performance testing
8、of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices Ventilation des btiments - Essais des performances des composants/produits pour la ventilation des logements - Partie 2: Bouches dair dvacuation et dalimentation Lftung von Gebuden - Leistungprfung v
9、on Bauteilen/Produkten fr die Lftung von Wohnungen - Teil 2: Abluft- und Zuluftdurchlsse This European Standard was approved by CEN on 22 April 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status
10、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, French, German). A ve
11、rsion 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, Croatia, Cyprus, Czech R
12、epublic, 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 COMIT EUROPEN
13、 DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13141-2:2010: E:EN 13141-2:2010 (E) 2 Contents Page Foreword 31 Scope 62 Nor
14、mative references 63 Terms and definitions . 74 Performance testing of aerodynamic characteristics 74.1 Flow rate/pressure . 74.1.1 Principle 74.1.2 Test installation, conditions and uncertainty of measurement 74.1.3 Test procedure . 94.1.4 Analysis of results . 104.1.5 Presentation of results 104.2
15、 Air diffusion characteristics for supply air terminal devices 105 Performance testing of acoustic characteristics . 105.1 Noise production for components of systems . 105.1.1 General 105.1.2 Test installation 105.1.3 Test procedure . 125.1.4 Acoustic measurement . 135.1.5 Presentation of results 14
16、5.2 Insertion loss of component of systems . 145.2.1 General 145.2.2 Test procedure . 145.2.3 Preparation and mounting of the test samples 165.2.4 Procedure . 165.2.5 Control of the limiting insertion loss . 185.2.6 Calculations 185.2.7 Expression of results 195.3 Sound insulation characteristics of
17、 a pair of air terminal devices . 195.3.1 General 195.3.2 Testing without airflow 215.3.3 Testing with airflow . 215.3.4 Conditions for measuring background noise . 215.3.5 Presentation of the results . 22Bibliography 23DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 3 Foreword This document (EN 13141-2:
18、2010) 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 January 2011, and co
19、nflicting national standards shall be withdrawn at the latest by January 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This do
20、cument supersedes EN 13141-2:2004. The position of this European Standard in the field of the mechanical building services is shown in Figure 1. DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 4 Mechanical Building Services Control systems Ventilation and air conditioning systems Heating systems Ductwork
21、 Air terminal devices Air handling units Mechanical and natural residential ventilation Design criteria for the indoor environment System performance Installation Components/products for residential ventilation Required and optional performance characteristics Performance testing of components/produ
22、cts for residential ventilation Simplified calculation methods for residential ventilation systems Design and dimensioning for residential ventilation systems Performance testing and installation checks for residential ventilation systems Part 1: Externally and internally mounted air transfer device
23、s Part 2: Exhaust and supply air terminal devices Part 3: Range hoods for residential use Part 4: Fans used in residential ventilation systems Part 5: Cowls and roof outlet terminal devices Part 6: Exhaust ventilation system packages used in a single dwelling Part 7: Performance testing of a mechani
24、cal supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings Part 8: Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended fo
25、r a single room Part 9: Externally mounted humidity controlled air transfer device Part 10: Humidity controlled extract air terminal device Figure 1 Position of EN 13141-2 in the field of the mechanical building services DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 5 According to the CEN/CENELEC Inter
26、nal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
27、ourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 6 1 Scope This European Standard specifies laboratory methods for testing exhaust and supply air terminal devices operating u
28、nder pressure differences. It applies to devices used in mechanical and natural residential ventilation systems, of the following types: device with a manually adjustable opening; or device with a fixed opening; or pressure difference controlled device. It describes tests intended to characterize: f
29、low rate/pressure; air diffusion characteristics (for supply air terminal devices); noise production for components of systems; insertion loss of component of systems; sound insulation. 2 Normative references The following referenced documents are indispensable for the application of this document.
30、For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1506, Ventilation for buildings Sheet metal air ducts and fittings with circular cross-section Dimensions EN 12238, Ventilation for build
31、ings Air terminal devices Aerodynamic testing and rating for mixed flow application EN 12792:2003, Ventilation for buildings Symbols, terminology and graphical symbols EN 13141-1:2004, Ventilation for buildings Performance testing of components/products for residential ventilation Part 1: Externally
32、 and internally mounted air transfer devices EN ISO 140-3, Acoustics Measurement of sound insulation in buildings and of building elements Part 3: Laboratory measurements of airborne sound insulation of building elements (ISO 140-3:1995) EN ISO 3741, Acoustics Determination of sound power levels of
33、noise sources using sound pressure Precision methods for reverberation rooms (ISO 3741:1999, including Cor 1:2001) EN ISO 5135, Acoustics Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room (ISO 5135:19
34、97) EN ISO 11691:2009, Acoustics Measurement of insertion loss of ducted silencers without flow Laboratory survey method (ISO 11691:1995) EN ISO 7235:2009, Acoustics Laboratory measurement procedures for ducted silencers and air-terminal units Insertion loss, flow noise and total pressure loss (ISO
35、7235:2003) DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 7 ISO 5221, Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12792:2003 and the following apply
36、. 3.1 insertion loss reduction in sound pressure level in the reverberation room due to the mounting of the air terminal device 3.2 test duct straight, rigid hard-walled duct of constant cross section between sound source and air terminal device 3.3 reverberation room room specially designed to faci
37、litate the production of approximately diffuse sound fields 3.4 background noise noise emitted by the whole sources other than the source under testing 4 Performance testing of aerodynamic characteristics 4.1 Flow rate/pressure 4.1.1 Principle This test consists of measuring several volume flow rate
38、s induced through a device by the applied static pressure difference to define the flow rate/pressure characteristic curve in the operating range specified by the manufacturer. In the case of manually adjustable devices this test shall be carried out at maximum and minimum opening conditions specifi
39、ed by the manufacturer. Some exhaust ATD are of the bi-function type, i.e. they are designed to work under both natural and mechanical ventilation system. In that case the manufacturer may have to specify two operational ranges, and the device shall be tested for each of them according the standard
40、procedure. 4.1.2 Test installation, conditions and uncertainty of measurement 4.1.2.1 Test installation and conditions The device to be tested shall be installed in accordance with Figure 2a) for exhaust air terminal device or Figure 2b) for supply air terminal device. The test installation shown in
41、 Figure 2a) and Figure 2b) comprises: a test duct with an airflow meter, a static pressure gauge and an airflow straightener in accordance with ISO 5221. Other measurement devices may be used, provided they allow measurements with an uncertainty in accordance with 4.1.2.2; a fan with means to vary t
42、he pressure difference across the device, covering the range of Table 1 given in 4.1.3. NOTE In order to avoid pumping effect, an adequate device may be added after the airflow meter. DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 8 The test facilities shall have a range: for extraction: 300 Pa to 0 Pa;
43、 for supply: 0 Pa to + 300 Pa. The air terminal device shall be mounted in a test duct with cross-sectional dimensions equal to the nominal size of the device or to the duct dimensions normally recommended by the manufacturer. For supply only, the duct shall be straight and at least 20 Delong to gua
44、rantee a uniform velocity profile or shall include an efficient flow straightener located at a position at least 3 Defrom any part of the air terminal device. It is recommended that straightener cells have an axial length at least equal to six times the hydraulic diameter of their cross-section. a)
45、For exhaust air terminal device b) For supply air terminal device Key 1 airflow 7 flow straightener 2 airflow meter 8 connection to fan, flowrate control and airflow meter 3 plane of temperature measurement 9 transition to test duct size 4 plane of pressure measurement 10 plane of pressure measureme
46、nt 5 air terminal device 11 signal to display or computer 6 test duct, diameter De12 with flow straightener 13 without flow straightener Figure 2 Test installation for exhaust air terminal device (Figure 2a) and supply air terminal device (Figure 2b) 4.1.2.2 Uncertainty of measurement In the case of
47、 air terminal devices with pressure difference controlled openings: the pressure shall be measured with an uncertainty lower than: (Pa) value)(measured 0,03 0,2 + (1) the volume flow rate shall be measured with an uncertainty lower than: DIN EN 13141-2:2010-12 EN 13141-2:2010 (E) 9 )(l value)(measur
48、ed 0,03 0,31+ s (2) For other air terminal devices: the pressure shall be measured with an uncertainty lower than: (Pa) value)(measured 0,03 0,5 + (3) the volume flow rate shall be measured with an uncertainty lower than: )(l value)(measured 0,03 0,31+ s (4) NOTE The combined uncertainties of measur
49、ement will result in a total accuracy of the test method in the range of 3 % to 5 %. 4.1.3 Test procedure The measurements shall be taken for six points, each taken within one of the pressure difference ranges (bands) given in Table 1 so as to match with / cover the operational range of the device as stated by the manufactur
