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ACOUSTICS AND VIBRATION - LABORATORY MEASUREMENT OF VIBROACOUSTIC TRANSFER PROPERTIES OF RESILIENT ELEMENTS - PART 4: DYNAMIC STIFFNESS OF ELEMENTS OTHER THAN RESILIENT SUPPORTS FOR TRANSLATORY MOTION

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2003

Publisher

National Standards Authority of Ireland

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

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Test arrangements
   5.1 General
   5.2 Local coordinate systems
   5.3 Test rig components
   5.4 Suppression of unwanted vibrations
6 Criteria for adequacy of the test arrangement
   6.1 Frequency range
   6.2 Measurement of blocking force in the direct method
   6.3 Determination of upper frequency limit f[3] in the
       indirect method
   6.4 Flanking transmission
   6.5 Unwanted input vibrations
   6.6 Accelerometers
   6.7 Force transducers
   6.8 Summation of signals
   6.9 Analysers
7 Test procedures
   7.1 Installation of the test elements
   7.2 Selection of force measurement system and force
       distribution plates
   7.3 Mounting and connection of accelerometers
   7.4 Mounting and connection of the vibration exciter
   7.5 Source signal
   7.6 Measurements
   7.7 Test for linearity
8 Evaluation of test results
   8.1 Evaluation of dynamic transfer stiffness for direct
       method
   8.2 Calculation of dynamic transfer stiffness for indirect
       method
   8.3 One-third-octave-band values of the frequency-averaged
       dynamic transfer stiffness
   8.4 Presentation of one-third-octave-band results
   8.5 Presentation of narrow-band data
9 Information to be recorded
10 Test report
Annex A (informative) Transfer stiffness related to rotatory
                      vibration components
Bibliography

Specifies two methods for determining the dynamic transfer stiffness for translations of resilient elements other than resilient supports.

DocumentType	Standard
Pages	44
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
EN ISO 10846-4 : 2003	Identical
ISO 10846-4:2003	Identical
UNE-EN ISO 10846-4:2004	Identical
BS EN ISO 10846-4:2003	Identical
DIN EN ISO 10846-4:2004-02	Identical
UNI EN ISO 10846-4 : 2007	Identical