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CEN

EN 12238:2001

(Main)

Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application

Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application

This European Standard specifies methods for the laboratory aerodynamic testing and rating of air terminal devices for mixed flow applications, including the specification of suitable test facilities and measurement techniques.
The standard gives only tests for the assessment of characteristics of the air terminal devices under isothermal conditions.
The testing of low velocity air terminal devices is specified in EN 12239.

Lüftung von Gebäuden - Luftdurchlässe - Aerodynamische Prüfung und Bewertung für Anwendung bei Mischströmung

Diese Europäische Norm legt Verfahren für die aerodynamische Laborprüfung und Bewertung von Luftdurchlässen für Anwendung bei Mischströmung sowie geeignete Prüfeinrichtungen und Meßverfahren fest. Die Europäische  Norm enthält nur Prüfungen zur Feststellung der Kenngrößen der Luftdurchlässe unter isothermischen Bedingungen. Die Prüfung von Luftdurchlässen niedriger Geschwindigkeiten ist in EN 12239 festgelegt.

Ventilation des bâtiments - Bouches d'air - Essais aérodynamiques et caractérisation pour applications en diffusion à mélange

La présente Norme européenne spécifie les méthodes pour les essais aérodynamiques en laboratoire et la caractérisation, des bouches d'air utilisées dans des applications en diffusion à mélange, y compris la spécification de dispositifs d'essai et de techniques de mesure appropriées.
La présente norme ne traite que des essais permettant d'évaluer les caractéristiques des bouches d'air dans des conditions isothermes.
L'essai des bouches d'air à basse vitesse est spécifiée dans l'EN 12239.

Prezračevanje stavb - Naprave za razvod zraka - Aerodinamično preskušanje in ocenitev aplikacij strujanja zraka

General Information

Status
Published
Publication Date
28-Aug-2001
Withdrawal Date
27-Feb-2002
ICS
91.140.30 - Ventilation and air-conditioning systems
Technical Committee
CEN/TC 156 - Ventilation for buildings
Drafting Committee
CEN/TC 156/WG 4 - Air terminal devices
Current Stage
9060 - Closure of 2 Year Review Enquiry - Review Enquiry
Start Date
04-Jun-2023
Completion Date
04-Jun-2023
Directive
305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
89/106/EEC - Construction products
Ref Project
SIST EN 12238:2001 - Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application

Relations

Child
EN 12239:2001 - Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications
Effective Date
22-Dec-2008

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Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lüftung von Gebäuden - Luftdurchlässe - Aerodynamische Prüfung und Bewertung für Anwendung bei MischströmungVentilation des bâtiments - Bouches d'air - Essais aérodynamiques et caractérisation pour applications en diffusion a mélangeVentilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application91.140.30VLVWHPLVentilation and air-conditioningICS:Ta slovenski standard je istoveten z:EN 12238:2001SIST EN 12238:2001en01-december-2001SIST EN 12238:2001SLOVENSKI
STANDARD



SIST EN 12238:2001



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12238August 2001ICS 91.140.30English versionVentilation for buildings - Air terminal devices - Aerodynamictesting and rating for mixed flow applicationVentilation des bâtiments - Bouches d'air - Essaisaérodynamiques et caractérisation pour applications endiffusion à mélangeLüftung von Gebäuden - Luftdurchlässe - AerodynamischePrüfung und Bewertung für Anwendung bei MischströmungThis European Standard was approved by CEN on 29 June 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12238:2001 ESIST EN 12238:2001



EN 12238:2001 (E)2ContentsPageForeword.41Scope.52Normative references.53Terms, definitions and symbols.53.1functional characteristics of air terminal devices.53.2Symbols.94Instrumentation.114.1Air flow rate measurement.114.2Pressure measurement.114.3Temperature measurements.124.4Velocity measurements.125Testing of pressure and air velocity vk (first test installation).125.1Measurement of pressure requirement for a supply air terminal device.125.1.1General.125.1.2Measurement of static gauge pressure ps with the first test installation A.135.1.3Direct measurement of total pressure pt with the first test installation A.135.1.4Measurement of static pressure ps with the first test installation B.145.1.5Presentation of total pressure pt.145.2Measurement of pressure requirement for an exhaust air terminal device.155.2.1Procedure.155.2.2Measurement of static pressure with the first test installation C for exhaust airterminal device (excluding air transfer devices).165.2.3Direct measurement of total pressure with the first test installation C, for exhaustair terminal device.
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