ISO/TR TECHNICAL REPORT 14646 First edition 2007-10-15 Road vehicles Side impact testing of child restraint systems Review of background data and test methods, and conclusions from the IsO work as of November 2005 Vehicules routiers -Essais de choc latéral pour systemes de retenue pour enfants Revue des données de reference et des méthodes d'essai, et conclusions du travail de Il'isO jusqu'en novembre 2005 Reference number ISO/TR 14646:2007(E) @ ISO 2007 by IHS under ted without license from IHS Not for Resale ISO/TR 14646:2007(E) PDF disclaimer 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 no liability in this area. 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 @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, isO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISo 2007 - All rights reserved I without license from IHS Not for Resale ISO/TR 14646:2007(E) Contents Page Foreword .iv Introduction 1 Scope 2 Accident statistics. 3 Side impact test methods for cars.. 3.1 European side impact test methods.... 3.2 Us side impact test methods .... 3.3 Japanese side impact test method.... 3.4 Australian side impact test method.. 4 Child related properties of car side impact test methods.... 4.1 Boundary conditions for a CRS side impact test procedure.. 4.2 Door in.trusion depth................ 4.3 Door intrusion velocity from ECE tests ... 4.4 Door intrusion velocity in car-to-car tests.. 10 4.5 Struck car acceleration and velocity change, 13 4.6 Deformation profiles .... 14 4.7 Dynamicforce-deflectioncharacteristicsofdoorinterior 15 4.8 Door window sill height and distance to door trim..... 16 5 Requirements for the side impact test procedure 17 5.1 Test severity...... 5.2 Validation.... 5.3 Repeatability and reproducibility.. .18 5.4 Field of application.... 18 6 Historical overview... 18 7 Current side impact test procedures for child restraint systems .20 7.1 ISO/DIS 14646 / TRL test procedure .. .20 7.2 TNO test procedure .... 7.3 TUB test procedure . 23 7.4 ADAC test procedure.. 23 7.5 Australian Standard AS/NzS 1754 test procedure. 23 7.6 Australian CREP test procedure .... 23 8 Conclusions. Annex A (informative) ISO/DIS 14646-1.2: ISO side impact test procedure for rearward-facing child restraint systems... .25 Annex B (informative) Working draft of planned future ISO/TR 14646-2, ISO side impact test procedure for forward facing systems..... .36 Annex C (informative) Voting results and comments received on Iso/DIs 14646:2003.. .39 Annex D (informative) Voting results and comments received on ISO/DIS 14646-1.2:2005 ... ..45 Glossary .49 Bibliography. 50 CopyrightInenationalOganzansandardizaloghtsreserved ii Not for Resale ISO/TR 14646:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer established has the right to be represented on that committee. International org