ISO INTERNATIONAL STANDARD 10846-5 First edition 2008-08-15 Acoustics and vibration Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion Acoustique et vibrations-Mesurage en laboratoiredes proprietes de transfertvibro-acoustiquedeselementselastiques Partie5:Methodedupointd'applicationpourladeterminationdela raideurdynamiquedetransfertbassefrequenceentranslationdes supports élastiques Reference number ISO 10846-5:2008(E) @ISO2008 ationalOrganizationfor Standardization ISO10846-5:2008(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts noliabilityinthisarea. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT @ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel.+ 4122749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published inSwitzerland @ ISO 2008 -All rights reserved without license from IHS Not for Resale ISO10846-5:2008(E) Contents Page Foreword iv Introduction 1 Scope 2 Normative references 3 Terms and definitions. 3 4 Principle. 5 5 Test arrangements.. 6 5.1 Normal translations 5.2 Transversetranslations 5.3 Suppression of unwanted vibrations.... 6 Criteria for adequacy of the test arrangement 11 6.1 General requirements.. 11 6.2 Determination of upper limiting frequency.. 12 6.3 Forcetransducers..... 12 6.4 Accelerometers... 12 6.5 Summation of signals.. 13 6.6 Analysers...... 13 7 Test procedures.... 13 7.1 Selectionof forcemeasurementsystemand forcedistributionplates 13 7.2 Installation of the test element... 13 7.3 Mountingandconnectionofaccelerometers. 14 7.4 Mountingand connections of thevibration exciter. 14 7.5 Source signal ... 14 7.6 Measurements. 14 7.7 Test for linearity ... 15 8 Evaluationoftestresults... 16 :8.1 Calculation of dynamicdriving-point stiffness 16 8.2 One-third-octave-bandvalues of thefrequency-averaged dynamic driving-point stiffness... 17 8.3 One-third-octave-bandvaluesofthefrequency-averagedtransferstiffness 17 8.4 Presentation of one-third-octave-band results.... 17 8.5 Presentation of narrow-band data 18 9 Informationtoberecorded 19 10 Testreport 20 AnnexA (informative)Static load-deflection curve 21 AnnexB (informative)Measurement uncertainty 22 Bibliography... 26 Copyright Internatinal Organizationforstandardizalion'ghts reserved ili efrom IHS Not for Resa