ISO INTERNATIONAL STANDARD 14794 Second edition 2011-02-15 Heavy commercial vehicles and buses Braking in a turn Open-loop test methods Véhicules utilitaires lourds et autobus -Freinage en virage- Methodes d'essai en boucle ouverte Reference number ISO 14794:2011(E) @ ISO 2011 IHSunder Not for Resale ISO 14794:2011(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 @ISO2011 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 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 2011 - All rights reserved I without license from IHS Not for Resale ISO 14794:2011(E) Contents Page Foreword Introduction 1 Scope 2 Normative references 3 Principle .. 3.1 Test objectives. 3.2 General conditions 4 Reference system.. 5 Variables 6 Measuring equipment . 7 Test conditions 8 Tests 8.1 General. 8.2 Brake temperature 8.3 Initial driving condition. 8.4 Application of braking.... 9 Data evaluation and presentation of results . 9.1 General 9.2 Time histories .. 9.3 Brake application.. 9.4 Referencevariablesandsteady-statevalues 9.5 Characteristicvalues.. Annex A (normative) Test report General data and test conditions . Annex B (normative) Test report Presentation of results. Bibliography... 22 Copyright International Oorganization frStandardizallon'ghts reserved ii from IHS Not for Re