ISO INTERNATIONAL STANDARD 8178-7 Secondedition 2015-08-01 Reciprocating internal combustion engines Exhaust emission measurement - Part 7: Engine family determination Moteursalternatifs a combustion interne-Mesuragedes émissions degazd'échappement Partie7:Determinationdesfamillesdemoteurs Reference number IS08178-7:2015(E) @IS02015 Copyright Interr ational Organization for Standardizatio vided by IHS e with IS IS08178-7:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015,Published inSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in anyform written permission. Permission can be requested from eitherISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch.de Blandonnet 8CP401 CH-1214 Vernier, Geneva, Switzerland Tel.+4122 749 0111 Fax+41227490947 copyright@iso.org www.iso.org hational Organization for Standardization IS0 2015 - All rights reserved rovided by IHS und Licensee=University of Alberta/5966844001,User=asdasd, lkk on or networking permitedwithoutlicense from IHS IS0 8178-7:2015(E) Contents Page Foreword ..iv Introduction. 1 Scope.. ..1 2 Terms and definitions ..1 3 Enginefamilyselection. ..1 3.1 General .1 3.2 Special cases. .2 4 Parameters definingthe enginefamily .2 5 Choice oftheparentengine. .5 5.1 Compressionignitionengines .5 5.2 Positiveignitionengines 5 5.3 Alternativemethod 5 iii led without license from IHS rsity of Albert No reproduction or netwo