This standard has been revised by ISO 5136:2003
Abstract
Gives a method for testing ducted fans. Applies to fans which emit steady, broadband, narrow-band and discrete-frequency sound. Applies to air temperatures between -50 °C and +70 °C. The test duct diameter range is from 0,15 m to 2 m. The maximum flow velocity is 30 m/s and the maximum swirl angle is 15°. An example of a method for determining the angle of swirl is given in annex F. The one-third octave band centre frequency range is from 50 Hz to 10 000 Hz.
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Status: WithdrawnPublication date: 1990-12
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Edition: 1Number of pages: 22
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- ICS :
- 91.120.20 Acoustics in building. Sound insulation
Life cycle
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Corrigenda / Amendments
WithdrawnISO 5136:1990/Cor 1:1993
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00
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Revised by
PublishedISO 5136:2003
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