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ISO 5136:2003

Current

Current

The latest, up-to-date edition.

Acoustics — Determination of sound power radiated into a duct by fans and other air-moving devices — In-duct method

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

31-03-2003



ISO 5136 specifies a method for testing ducted fans and other air-moving devices to determine the sound power radiated into an anechoically terminated duct on the inlet and/or outlet side of the equipment.

The method is applicable to fans which emit steady, broad-band, narrow-band and discrete-frequency sound and to air temperatures between - 50 °C and + 70 °C. The test duct diameter range is from 0,15 m to 2 m. Test methods for small (d < 0,15 m) and large (d > 2 m) test ducts are described in the informative annexes H and I, respectively.

The maximum mean flow velocity at the microphone head for which the method is suitable, depends on the type of microphone shield used, and is as follows:

foam ball 15 m/s; nose cone 20 m/s; sampling tube 40 m/s.

Above these values the suppression of turbulent pressure fluctuations by the microphone shield may be insufficient.

The method described in ISO 5136 is applicable to a sound source in which a fan is connected to ducts on at least one side. It is also applicable to other fan/attenuator combinations or equipment incorporating fans which can be considered as "black boxes".

Examples of fans and other equipment covered by ISO 5136 are

ducted centrifugal fans, ducted axial flow fans, ducted mixed-flow fans, ducted air-handling units, ducted dust-collection units, ducted air-conditioning units, and ducted furnaces.

ISO 5136 is also applicable to other aerodynamic sources such as boxes, dampers and throttle devices provided that a quiet air flow delivered by an auxiliary fan is available, and the signal-to-noise ratio of sound pressures to turbulent pressure fluctuations in the test duct is at least 6 dB.

It is not applicable to non-ducted fans or equipment.

Committee
ISO/TC 43/SC 1
DevelopmentNote
Supersedes ISO/DIS 5136 (04/2003)
DocumentType
Standard
Pages
68
PublisherName
International Organization for Standardization
Status
Current
Supersedes

17/30332536 DC : 0 BS EN 13141-5 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 5: COWLS AND ROOF OUTLET TERMINAL DEVICES
UNI ISO 13347-3 : 2009 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 3: ENVELOPING SURFACE METHODS
BS ISO 13347-3 : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 3: ENVELOPING SURFACE METHOD
DIN EN 13141-11:2015-07 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: SUPPLY VENTILATION UNITS
BS 848-2.3(2004) : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 3: ENVELOPING SURFACE METHODS
BS 848-2.2(2004) : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 2: REVERBERANT ROOM METHOD
BS 848-2.1(2004) : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW
UNE-EN 13141-11:2015 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 11: Supply ventilation units
UNI EN 13141-7 : 2011 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 7: PERFORMANCE TESTING OF A MECHANICAL SUPPLY AND EXHAUST VENTILATION UNITS (INCLUDING HEAT RECOVERY) FOR MECHANICAL VENTILATION SYSTEMS INTENDED FOR SINGLE FAMILY DWELLINGS
EN 13141-11:2015 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 11: Supply ventilation units
BS EN ISO 7235:2009 Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss
I.S. EN 12354-5:2009 BUILDING ACOUSTICS - ESTIMATION OF ACOUSTIC PERFORMANCE OF BUILDING FROM THE PERFORMANCE OF ELEMENTS - PART 5: SOUNDS LEVELS DUE TO THE SERVICE EQUIPMENT
I.S. EN 16475-2:2017 CHIMNEYS - ACCESSORIES - PART 2: CHIMNEY FANS - REQUIREMENTS AND TEST METHODS
01/562316 DC : DRAFT JULY 2001 BS EN ISO 7235 ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR-TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
BS 848-9:2006 Fans for general purposes Tolerances, methods of conversion and technical data presentation
13/30267124 DC : 0 BS EN 13141-11 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: POSITIVE PRESSURE VENTILATION SYSTEMS
DIN EN 16583:2015-10 Heat exchangers - Hydronic room fan coils units - Determination of the sound power level
02/705656 DC : DRAFT APR 2002 BS 848-2.4 - INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVEL UNDER STANDARDIZED LABORATORY CONDITIONS - PART 4: SOUND INTENSITY METHOD
PREN 13141-5 : DRAFT 2017 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 5: COWLS AND ROOF OUTLET TERMINAL DEVICES
UNI ISO 13347-1 : 2009 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW
PREN 13053 : DRAFT 2017 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
ISO 13347-2:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 2: Reverberant room method
BS ISO 13347-1 : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW
I.S. EN 16583:2015 HEAT EXCHANGERS - HYDRONIC ROOM FAN COILS UNITS - DETERMINATION OF THE SOUND POWER LEVEL
I.S. EN 13053:2006 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
DIN EN 12354-5:2009-10 Building acoustics - Estimation of acoustic performance of building from the performance of elements - Part 5: Sounds levels due to the service equipment
I.S. EN 13141-4:2011 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 4: FANS USED IN RESIDENTIAL VENTILATION SYSTEMS
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 15036-2:2006-12 Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 2: Flue gas noise emissions at the outlet of the heat generator
I.S. EN 13141-7:2010 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 7: PERFORMANCE TESTING OF A MECHANICAL SUPPLY AND EXHAUST VENTILATION UNITS (INCLUDING HEAT RECOVERY) FOR MECHANICAL VENTILATION SYSTEMS INTENDED FOR SINGLE FAMILY DWELLINGS
DIN EN 13053:2012-02 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS (INCLUDES AMENDMENT A1:2011)
DIN EN 13141-7:2011-01 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 7: Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings
DIN EN 13141-4:2011-09 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 4: Fans used in residential ventilation systems
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)
VDI 2081 Blatt 1:2001-07 Noise generation and noise reduction in air-conditioning systems
VDI 2715:2011-11 Noise control in heating systems
BS 848-9:2007 Fans for general purposes. Tolerances, methods of conversion and technical data presentation
EN 13141-7:2010 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 7: Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings
BS EN ISO 5801:2017 Fans. Performance testing using standardized airways
EN ISO 5801:2017 Fans - Performance testing using standardized airways (ISO 5801:2017)
BS ISO 13347-2:2004 Industrial fans. Determination of fan sound power levels under standardized laboratory conditions Reverberant room method
UNE-EN 16583:2016 Heat exchangers - Hydronic room fan coils units - Determination of the sound power level
BS EN 13053 : 2006 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
EN 15036-2:2006 Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 2: Flue gas noise emissions at the outlet of the heat generator
UNI 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 12354-5 : 2009 BUILDING ACOUSTICS - ESTIMATION OF ACOUSTIC PERFORMANCE OF BUILDING FROM THE PERFORMANCE OF ELEMENTS - PART 5: SOUNDS LEVELS DUE TO THE SERVICE EQUIPMENT
EN 13141-4:2011 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 4: Fans used in residential ventilation systems
ISO 5801:2017 Fans — Performance testing using standardized airways
BS EN 13141-11:2015 Ventilation for buildings. Performance testing of components/products for residential ventilation Supply ventilation units
DIN EN 16475-2:2013-08 (Draft) CHIMNEYS - ACCESSORIES - PART 2: CHIMNEY FANS - REQUIREMENTS AND TEST METHODS
13/30279269 DC : 0 BS EN 16583 - HEAT EXCHANGERS - HYDRONIC ROOM FAN COILS UNITS - DETERMINATION OF THE SOUND POWER LEVEL
BS EN 16583:2015 Heat exchangers. Hydronic room fan coils units. Determination of the sound power level
08/30183867 DC : DRAFT AUG 2008 BS EN 13141-7 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 7: PERFORMANCE TESTING OF A MECHANICAL SUPPLY AND EXHAUST VENTILATION UNITS (INCLUDING HEAT RECOVERY) FOR MECHANICAL VENTILATION SYSTEMS INTENDED FOR SINGLE FAMILY DWELLINGS
02/705655 DC : DRAFT APR 2002 BS 848-2.3 - INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVEL UNDER STANDARDIZED LABORATORY CONDITIONS - PART 3: ENVELOPING SURFACE METHODS
14/30284736 DC : 0 BS EN ISO 5801 - FANS - PERFORMANCE TESTING USING STANDARDIZED AIRWAYS
03/316891 DC : DRAFT OCT 2003 EN 13053 - VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATINGS AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
95/704659 DC : DRAFT MAR 1995 PREN 1872 - MACHINES FOR UNDERGROUND MINES - SAFETY REQUIREMENTS FOR MINING VENTILATION MACHINERY - ELECTRICALLY DRIVEN FANS FOR UNDERGROUND USE
I.S. EN 13141-11:2015 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: SUPPLY VENTILATION UNITS
ISO 13348:2007 Industrial fans — Tolerances, methods of conversion and technical data presentation
17/30339487 DC : 0 BS EN 13053 - VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
ISO 13347-3:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3: Enveloping surface methods
BS EN 15036-2:2006 Heating boilers. Test regulations for airborne noise emissions from heat generators Flue gas noise emissions at the outlet of the heat generator
UNI EN 13053 : 2011 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
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 12354-5:2009 Building acoustics. Estimation of acoustic performance of building from the performance of elements Sounds levels due to the service equipment
ISO 13347-4:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity method
BS EN 13141-4:2011 Ventilation for buildings. Performance testing of components/products for residential ventilation Fans used in residential ventilation systems
ONORM EN 13053 : 2011 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
BS EN ISO 11820:1997 Acoustics. Measurements on silencers in situ
BS 848-2.4(2004) : 2004 INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 4: SOUND INTENSITY METHOD
UNE-EN 13141-4:2012 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 4: Fans used in residential ventilation systems
EN 16583:2015 Heat exchangers - Hydronic room fan coils units - Determination of the sound power level
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)
EN 16475-2:2017 Chimneys - Accessories - Part 2: Chimney fans - Requirements and test methods
BS EN 16475-2:2017 Chimneys. Accessories Chimney fans. Requirements and test methods
I.S. EN 12102-1:2017 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS, PROCESS CHILLERS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS - DETERMINATION OF THE SOUND POWER LEVEL - PART 1: AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS FOR SPACE HEATING AND COOLING, DEHUMIDIFIERS AND PROCESS CHILLERS
I.S. EN ISO 5801:2017 FANS - PERFORMANCE TESTING USING STANDARDIZED AIRWAYS (ISO 5801: 2017)
EN 12102-1:2017 Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 1: Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers
ISO 13347-1:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1: General overview
EN 13053:2006+A1:2011 Ventilation for buildings - Air handling units - Rating and performance for units, components and sections
UNI EN 13141-4 : 2011 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 4: FANS USED IN RESIDENTIAL VENTILATION SYSTEMS
UNE-EN 13141-7:2011 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 7: Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings
UNE-EN 13053:2007 Ventilation for buildings - Air handling units - Rating and performance for units, components and sections
BS EN 13141-7:2010 Ventilation for buildings. Performance testing of components/products for residential ventilation Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings
BS ISO 13347-4:2004 Industrial fans. Determination of fan sound power levels under standardized laboratory conditions Sound intensity method
ONORM EN 13141-4 : 2011 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 4: FANS USED IN RESIDENTIAL VENTILATION SYSTEMS
ONORM EN 13141-7 : 2010 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 7: PERFORMANCE TESTING OF A MECHANICAL SUPPLY AND EXHAUST VENTILATION UNITS (INCLUDING HEAT RECOVERY) FOR MECHANICAL VENTILATION SYSTEMS INTENDED FOR SINGLE FAMILY DWELLINGS

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ISO 7574-4:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 4: Methods for stated values for batches of machines
IEC 60942:2003 Electroacoustics - Sound calibrators
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ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
1998/37/EC : 1998 DIRECTIVE 98/37/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 22 JUNE 1998 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO MACHINERY
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room

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