ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR- TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS

Published date

10-15-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
4 SIMBOLI
5 INSTALLAZIONI DI PROVA E REQUISITI PER LA STRUMENTAZIONE
6 PROCEDIMENTI DI PROVA
7 INFORMAZIONI DA RIPORTARE
8 INFORMAZIONI DA RIPORTARE
APPENDICE A (normativa) - TIPOLOGIA DEL DISPOSITIVO DI
  ECCITAZIONE DEL CAMPO SONORO E PROVE DI QUALIFICAZIONE
APPENDICE B (normativa) - ELEMENTO DI TRASMISSIONE
APPENDICE C (normativa) - PARETI DEL CANALE E PERDITA PER
  INSERZIONE LIMITE
APPENDICE D (normativa) - CONVERSIONE DEI VALORI DI ATTENUAZIONE
  IN BANDA DI TERZO DI OTTAVA A VALORI DI ATTENUAZIONE DI BANDA
  DI OTTAVA
APPENDICE E (normativa) - MISURAZIONI SU SILENZIATORI CON
  PANNELLI PARALLELI DI GRANDI DIMENSIONI
APPENDICE F (normativa) - PROVA DELL'ATTENUAZIONE LONGITUDINALE
APPENDICE G (informativa) - TERMINAZIONI ANECOICHE
APPENDICE H (informativa) - ESEMPI DI DISPOSITIVI DI MISURAZIONE
APPENDICE ZA (informativa) - RAPPORTO FRA LA PRESENTE NORMA
  EUROPEA E I REQUISITI ESSENZIALI DELLA DIRETTIVA UE 98/37/CE
APPENDICE ZB (informativa) - RAPPORTO FRA LA PRESENTE NORMA
  EUROPEA E I REQUISITI ESSENZIALI DELLA DIRETTIVA UE 2006/42/CE
BIBLIOGRAFIA

Applies to all types of silencer including silencers for ventilating and air-conditioning systems, air intake and exhaust of flue gases, and similar applications.

Committee	CT 2
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI EN ISO 7235 : 2005

Standards	Relationship
ISO 7235:2003	Identical
NBN EN ISO 7235 : 2009	Identical
NEN EN ISO 7235 : 2009	Identical
NS EN ISO 7235 : 2009	Identical
I.S. EN ISO 7235:2009	Identical
SN EN ISO 7235:2010	Identical
UNE-EN ISO 7235:2010	Identical
BS EN ISO 7235:2009	Identical
EN ISO 7235:2009	Identical
NF EN ISO 7235 : 2009	Identical
DIN EN ISO 7235:2010-01	Identical

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 11200:2014	Acoustics Noise emitted by machinery and equipment Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
EN 12238:2001	Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application
IEC 60942:2003	Electroacoustics - Sound calibrators
ISO 5725-3:1994	Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
ISO 5725-6:1994	Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
ISO 5725-4:1994	Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
ISO 11820:1996	Acoustics — Measurements on silencers in situ
BS 4718:1971	Methods of test for silencers for air distribution systems
ISO 3746:2010	Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
ISO 5135:1997	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 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 9614-3:2002	Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
EN 12239:2001	Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 14163:1998	Acoustics — Guidelines for noise control by silencers
ISO 3741:2010	Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
ISO 5221:1984	Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct
IEC 61260:1995	Electroacoustics - Octave-band and fractional-octave-band filters
EN 12589:2001	Ventilation for buildings - Air terminal units - Aerodynamic testing and rating of constant and variable rate terminal units
ISO 3966:2008	Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes
ISO 5136:2003	Acoustics — Determination of sound power radiated into a duct by fans and other air-moving devices — In-duct method
ISO 5725-5:1998	Accuracy (trueness and precision) of measurement methods and results — Part 5: Alternative methods for the determination of the precision of a standard measurement method
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV	Sound level meters
IEC 60804:2000	Integrating-averaging sound level meters