1、ICS 91.140.30Lftung von Gebuden Luftdurchlsse Aerodynamische Prfung und Bewertungfr Anwendung bei MischstrmungEuropean Standard EN 12238 : 2001 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 156 Ventilation for buildi
2、ngs (Secretariat: United Kingdom).The responsible German body involved in its preparation was the Normenausschuss Heiz- und Raumluft-technik (HVAC Standards Committee).Ref. No. DIN EN 12238 : 2001-12English price group 13 Sales No. 111303.02DEUTSCHE NORM December 2001EN 12238EN comprises 35 pages. N
3、o part of this standard may be reproduced without the 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).Ventilation for buildingsAir terminal devicesAerodynamic testing and ra
4、ting for mixed flow applicationEnglish version of DIN EN 12238English versionICS 91.140.30Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungVentilation for buildingsAir terminal devicesAerodynamic t
5、esting and rating for mixed flow application 2001. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12238 : 2001 EVentilation des btiments Bouchesdair Essais arodynamiques etcaractrisations pour applications endiffusion mlangeLftung v
6、on Gebuden Luftdurchlsse AerodynamischePrfung und Bewertung fr Anwen-dung bei MischstrmungThis European Standard was approved by CEN on 2001-06-29.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of a
7、national standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to any CENmember.The European Standards exist in three official versions (English, French, German).A version in any
8、other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany,
9、Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom. EN 12238August 2001Page 2EN 12238 : 200134444810101011111111111212131314141515161617171717181818181819191919202020202121Page 3EN 12238 : 200122232329292930303030Page 4EN
10、12238 : 2001Page 5EN 12238 : 2001Page 6EN 12238 : 2001Page 7EN 12238 : 2001Page 8EN 12238 : 2001Page 9EN 12238 : 2001Page 10EN 12238 : 2001Page 11EN 12238 : 2001Page 12EN 12238 : 2001Page 13EN 12238 : 2001Page 14EN 12238 : 2001Page 15EN 12238 : 2001Page 16EN 12238 : 2001Page 17EN 12238 : 2001Page 18
11、EN 12238 : 2001Page 19EN 12238 : 2001Page 20EN 12238 : 2001Page 21EN 12238 : 2001Page 22EN 12238 : 2001Page 23EN 12238 : 2001Connection to fan,flow rate control andflow rate measuringdeviceAirflowWith flow straightenerWithout flow straightenerPlane ofmeasurementTransition totest duct sizeSignal todi
12、splay orcomputerPage 24EN 12238 : 2001Page 25EN 12238 : 2001Connection tofan, flow ratecontrol and flowrate measuringdeviceAirflowFlow straightenerFlowmeterPlane of temperature measurementTest ductAir terminal devicePlane of pressure measurementPage 26EN 12238 : 2001Page 27EN 12238 : 2001Supposed main air stream directionMeasured main air stream directionPage 28EN 12238 : 2001Measured main air stream direction
