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ISO 5136:1990

Dec 1990 Withdrawn

Note: Latest version: ISO 5136:2003

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Acoustics — Determination of sound power radiated into a duct by fans — In-duct method — Technical Corrigendum 1 Withdrawn ISO 5136:1990/Cor 1:1993 Corrigendum from Publication date: Sep 1993 Language: English, French Services: Online, Online + Pdf

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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Standard from ISO
Published: December 6 1990
Withdrawn: March 31 2003
Period for objection until: January 18 1986
Edition: 1
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 91.120.20
International TC: ISO/TC 43/SC 1

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Revised by: ISO 5136:2003
Adopted by: NF EN 25136:1994

ISO 5136:1990

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ISO 5136:2003

ISO 5136:1990

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Version history Related Corrigenda and Amendments (1)

ISO 5136:1990/Cor 1:1993

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ISO 5136:2003

ISO 5136:1990

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