BS ISO 27327-2:2014
Current
The latest, up-to-date edition.
Fans. Air curtain units Laboratory methods of testing for sound power
Hardcopy , PDF
English
31-03-2014
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
4 Limitations on use
5 Measurement uncertainty
6 Instrumentation
7 Test procedure
8 Acoustic environment
9 Air curtain unit installation conditions
10 Air curtain unit operating conditions
11 Test setup
12 Information to be recorded
13 Calculations and evaluations
14 Test report
Annex A (normative) - Effect of
rotational speed changes
Annex B (normative) - Uncertainty analysis
Annex C (normative) - Calibration of
reference sound source
Annex D (informative) - Filter weighted
measurements
Annex E (normative) - Room qualification
for sound sources with broadband sound
Annex F (informative) - Room qualification
for sound sources with pure tones/narrow-band
sound
Bibliography
Describes the determination of the acoustic performance of air curtain units.
| Committee |
MCE/17
|
| DevelopmentNote |
Supersedes 12/30257842 DC. (03/2014)
|
| DocumentType |
Standard
|
| Pages |
50
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO27327 deals with the determination of the acoustic performance of air curtain units. In addition, it can be used to determine the acoustic performance of air curtain units combined with an ancillary device.
| Standards | Relationship |
| ISO 27327-2:2014 | Identical |
| ISO 2204:1979 | Acoustics Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings |
| ISO 13348:2007 | Industrial fans — Tolerances, methods of conversion and technical data presentation |
| ISO 3743-2:1994 | Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| ISO 3747:2010 | Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering/survey methods for use in situ in a reverberant environment |
| ISO 3740:2000 | Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards |
| IEC 60704-2-7:1997 | Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans |
| ISO 5801:2017 | Fans — Performance testing using standardized airways |
| ISO 13347-2:2004 | Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 2: Reverberant room method |
| ISO 6926:2016 | Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels |
| ISO 10302-1:2011 | Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 1: Airborne noise measurement |
| ISO 80000-1:2009 | Quantities and units — Part 1: General |
| 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 13347-1:2004 | Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1: General overview |
| ISO 7235:2003 | Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss |
| 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 |
| ISO 27327-1:2009 | Fans — Air curtain units — Part 1: Laboratory methods of testing for aerodynamic performance rating |
| ISO 13349:2010 | Fans — Vocabulary and definitions of categories |
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