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ACOUSTICS - DETERMINATION OF SOUND ABSORPTION COEFFICIENT AND IMPEDANCE IN IMPEDANCES TUBES - PART 1: METHOD USING STANDING WAVE RATIO

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2001

Publisher

National Standards Authority of Ireland

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

1 Scope
2 Normative references
3 Definitions
4 Principle
5 Fundamentals
6 Test equipment
7 Preliminary tests and measurements
8 Mounting of the test sample
9 Test methods
10 Transformation of reflection factor and impedance
11 Test report
Annex A (normative) Preliminary measurements
Annex B (normative) Verification of the test equipment
Annex C (normative) Pressure-release termination of test sample
Annex D (informative) Determination of diffuse sound absorption
coefficient alpha(st) of locally reacting absorbers

Defines a method for the determination of the sound absorption coefficient, reflection factor and surface impedance or surface admittance of materials and objects.

DocumentType	Standard
Pages	32
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
UNE-EN ISO 10534-1:2002	Identical
DIN EN ISO 10534-1:2001-10	Identical
ISO 10534-1:1996	Identical
BS EN ISO 10534-1:2001	Identical
EN ISO 10534-1:2001	Identical
UNI EN ISO 10534-1 : 2001	Identical