EN 12238:2001

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

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Published date: 28-08-2001

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 functional characteristics of air terminal devices
   3.2 Symbols
4 Instrumentation
   4.1 Air flow rate measurement
   4.2 Pressure measurement
   4.3 Temperature measurements
   4.4 Velocity measurements
5 Testing of pressure and air velocity v[k]
   (first test installation)
   5.1 Measurement of pressure requirement for a supply
        air terminal device
        5.1.1 General
        5.1.2 Measurement of static gauge pressure p[s]
               with the first test installation A
        5.1.3 Direct measurement of total pressure p[t]
               with the first installation A
        5.1.4 Measurement of static pressure p[s] with
               the first installation B
        5.1.5 Presentation of total pressure p[t]
   5.2 Measurement of pressure requirement for an exhaust
        air terminal device
        5.2.1 Procedure
        5.2.2 Measurement of static pressure with the first
               test installation C for exhaust air terminal
               device (excluding air transfer devices)
        5.2.3 Direct measurement of total pressure with the
               first installation C, for exhaust air terminal
               device
        5.2.4 Measurement of static pressure with the first
               test installation D for exhaust air terminal
               device
        5.2.5 Presentation of total pressure p[t]
   5.3 Determination of air velocity v[k] and the corresponding
        area A[k] for the air terminal device (not mandatory)
        5.3.1 Principle
        5.3.2 Test installation
        5.3.3 Test procedure
        5.3.4 Correction of flow rates to standard air conditions
        5.3.5 Calculation of A[k]
6 Test to measure the isothermal air discharge characteristics
   of a supply air terminal device (second test installation)
   6.1 Test measurements
   6.2 Test room
   6.3 Test room equipment and instrumentation
   6.4 Installation of the air thermal device
        6.4.1 Classification of air terminal devices
        6.4.2 Mounting of air terminal devices
        6.4.3 Test duct and flow rate
   6.5 Test procedure
   6.6 Determination of isothermal performance
        6.6.1 Test measurements
        6.6.2 Determination of the main air stream direction
        6.6.3 Measurement of air stream velocities
        6.6.4 Determination of throw
        6.6.5 Determination of spread
        6.6.6 Determination of rise and drop
Annex A (normative) Alternative exploratory technique for
        determination of throw, spread and drop
   A.1 Scope
   A.2 Determination of the point of maximum velocity
   A.3 Determination of points at envelope velocity
   A.4 Determination of spread
   A.5 Determination of the rise and drop
   A.6 Number of determinations

Abstract - (Show below) - (Hide below)

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.

General Product Information - (Show below) - (Hide below)

Committee	CEN/TC 156
Document Type	Standard
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Current

National Adoptions - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
PN EN 12238 : 2002	Identical
BS EN 12238:2001	Identical
NF EN 12238 : 2001	Identical
NS EN 12238 : 1ED 2001	Identical
UNE-EN 12238:2002	Identical
I.S. EN 12238:2001	Identical
SN EN 12238 : 2002	Identical
NEN EN 12238 : 2001	Identical
NBN EN 12238 : 2001	Identical
DIN EN 12238:2001-12	Identical
UNI EN 12238 : 2005	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

DIN EN 15726 E : 2011	VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS
BS EN 16445:2013 (published 2013-03)	Ventilation for buildings. Air diffusion. Aerodynamic testing and rating for mixed flow application: non-isothermal procedure for cold jet
DIN EN 14277 E : 2006	VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN OR CLOSE TO ATD/PLENUM BOXES
BS EN 12599:2012 (published 2013-02)	Ventilation for buildings. Test procedures and measurement methods to hand over air conditioning and ventilation systems
BS EN 13141-2:2010	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES
EN 13141-2:2010	Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices
EN 12239:2001	Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications
EN 12599:2012	Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems
BS EN ISO 7235:2009	Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss
UNI EN 16445 : 2013	VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET
UNI EN 15423 : 2008	VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS
08/30188933 DC : DRAFT SEP 2008	BS EN 15854 - VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXING FLOW APPLICATION - NON-ISOTHERMAL PROCEDURE FOR A COLD JET
DIN EN 16445 E : 2013	VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET
01/714475 DC : DRAFT NOV 2001	BS EN 14277 - VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN ATD/PLENUM BOXES
DIN EN 15423 E : 2008	VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS
17/30332533 DC : 0	BS EN 13141-1 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES
08/30175518 DC : DRAFT SEP 2008	BS EN 13141-2 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES
PREN 12599 : DRAFT 2010	VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS
I.S. EN 15726:2011	VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS
UNE-EN 15726:2012	Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions
I.S. EN ISO 7235:2009	ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR-TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
DIN EN 13141-2:2010-12	Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices
I.S. EN 12599:2012	VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS
I.S. EN 13141-2:2010	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES
DIN EN ISO 7235:2010-01	Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
BS EN 15423:2008	Ventilation for buildings. Fire precaution for air distribution systems in buildings
UNI EN 14277 : 2008	VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN OR CLOSE TO ATD/PLENUM BOXES
10/30235574 DC : 0	BS EN 12599 - VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS
UNI EN 15726 : 2011	VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS
UNE-EN 13141-2:2011	Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices
UNI EN 12599 : 2012	VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS
UNI EN 13141-2 : 2010	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES
UNI EN ISO 7235 : 2009	ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR- TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
DIN EN 15726:2011-12	Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions; German version EN 15726:2011
BS EN 15726:2011	Ventilation for buildings. Air diffusion. Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions
DIN EN 16445:2013-05	VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET
PREN 13141-1 : DRAFT 2017	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES
DIN EN 13141-1:2004-05	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES
DIN EN 12599:2013-01	VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS
UNE-EN ISO 7235:2010	Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
ISO 7235:2003	Acoustics Laboratory measurement procedures for ducted silencers and air-terminal units Insertion loss, flow noise and total pressure loss
BS EN 14277:2006	Ventilation for buildings. Air terminal devices. Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes
EN 15423:2008	Ventilation for buildings - Fire precautions for air distribution systems in buildings
EN 15726:2011	Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions
EN 14277:2006	Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes
EN 16445:2013	Ventilation for buildings - Air diffusion - Aerodynamic testing and rating for mixed flow application: non-isothermal procedure for cold jet
EN ISO 7235:2009	Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
DIN EN 15423:2008-09	VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS
BS EN 13141-1:2004	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES
I.S. EN 16445:2013	VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET
I.S. EN 15423:2008	VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS
I.S. EN 13141-1:2004	VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES
EN 13141-1:2004	Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices
BS EN 12239:2001	Ventilation for buildings. Air terminal devices. Aerodynamic testing and rating for displacement flow applications
DIN EN 14277:2006-11	Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes

Standards Referencing This Book - (Show below) - (Hide below)

EN ISO 5167-1:2003	Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
ISO 5167-1:2003	Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
CR 12792 : 1997	VENTILATION FOR BUILDINGS - SYMBOLS AND TERMINOLOGY
EN 12239:2001	Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications
ISO 3966:2008	Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes

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