ISO INTERNATIONAL STANDARD 3046-1 Fifth edition 2002-05-01 Reciprocating internal combustion engines Performance - Part 1: Declarations of power, fuel and lubricating oil consumptions, and test methods Additional requirements for engines for general use MoteursalternatifsacombustioninternePerformances Partie1:Declaration de lapuissanceetdela consommation de carburant etdhuilede lubrification, etmethodesd'essai-Exigences supplementaires pourlesmoteurs d'usage general Reference number ISO 3046-1:2002(E) ISO @ISO 2002 Copyright Intemational Organization for Standardization ISO 3046-1:2002(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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat 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 ISO2002 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 Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ ISO 2002 All rights reserved Copyright Intemational Organization for Standardization ISO3046-1:2002(E) Contents Page Foreword. Introduction. ..vi 1 Scope.. 2 Normative references 3 Terms and definitions ... 4 Symbols..... 5 Standard reference conditions.. 6 Test method ... 6.1 General.... 6.2 Adjusted engines.... 6.3 Non-adjusted engines (pre-set engines). 6.4 Auxiliaries... Method of power correction... < 8 Measurement of exhaust emission.. 6 Test report.. 10 Methods of calculating power adjustment and recalculating specific fuel consumption ... 10.1 General. 10.2 Application 10.3 Power adjustment for ambient conditions..... 10.4 Recalculation of fuel consumption at test or site ambient conditions for adjusted engines. 11 Declarations of power.. 11.1 General... 11.2 11.3 Types of power application .... .9 11.4 Typesofpowerstatements 12 Designation of power.. 10 12.1 Relation of codes to power... 10 12.2 Designation of power by means of codes....... 12.3 Examplesofpowerdesignationbytheuseofcodes.... 13 Declaration offuel consumption. 13 13.1 Fuel consumption... 13 13.2 Calorific value of fuels ....... 13 13.3 Declarationofspecificfuelconsumption 14 Declarations of lubricating oil consumption .... 15 Information to be supplied by the customer.... 16 Information tobe supplied by theengine manufacturer...... Annex A (normative) Examples of auxiliaries which may be fitted ... Annex B (informative) Tables for determination of water vapour pressure, ratios and factors ..... Annex C (informative) Example of calculating power adjustment and recalculating specific fuel consumptionfrom standard reference conditions or substitute reference conditions to site ambient conditions..... 25 ili ISO3046-1:2002(E) AnnexD(informative)Examples ofpoweradjustmentfromsite ambient conditionstotestambient conditions and simulationof siteambient conditionsforadjusted engines.. ..28 Bibliography... ..30 @ ISO 2002 - All rights reserved CopyrighntemationalOrganizationforStandardzato ISO3046-1:2002(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bo