NEN EN ISO 10534-1 : 2001
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF SOUND ABSORPTION COEFFICIENT AND IMPEDANCE IN IMPEDANCE TUBES - PART 1: METHOD USING STANDING WAVE RATIO
12-01-2013
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
Annexes
A Preliminary measurements
B Verification of the test equipment
C Pressure-release termination of test sample
D Determination of diffuse sound absorption
coefficient alpha(st) of locally reacting absorbers
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