ISO INTERNATIONAL STANDARD 17536-1 First edition 2015-12-01 Road vehicles Aerosol separator performance test for internal combustion engines - Part 1: General Vehicules routiers - Essai de performance du séparateur d'aérosols pourles moteurs a combustion interne- Partie 1: Généralités Reference number IS0 17536-1:2015(E) ISO International Organization for Standardization =ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02015 vided by IHS under I No reproduction or networking permitted without license from IHS IS0 17536-1:2015(E) COPYRIGHT PROTECTED DOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org .... Internationai ibr DrganizationforStandardization icensee-ZHEJIANG INSTOF STANDARDIZAoISQ 05 - All rights reserved networking permited withoutlicense from IHS IS0 17536-1:2015(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Terms, definitions, symbols and units 2.1 Terms and definitions 1 2.2 Symbols and units .4 3 Measurement equipment accuracy ..4 4 Absolute filter, wall flow trap and leakage .5 4.1 Absolute filter. .5 4.1.1 Absolutefiltermaterial .5 4.1.2 Absolute filter mass measurement method 5 4.1.3 Absolute media measurement process validation 5 4.2 Wall flow trap. .5 4.2.1 Weight measurement. .5 4.2.2 Validation of wall flow trap liquid oil efficiency .5 4.2.3 Validation of wall flow trap aerosol efficiency .6 4.3 Leakage. .6 5 Principles for aerosol separator performance tests .6 5.1 General .6 5.2 Test equipment ..6 5.2.1 Grounding .6 5.2.2 Upstream sample probe. 5.2.3 Upstream particle counter 5.2.4 Particlecountercalibration 7 5.2.5 Maximum particle concentration 7 5.2.6 Particle counter flow.. .8 5.3 Determination of gravimetric separation efficiency .8 5.3.1 General. .8 5.3.2 Calculations ..8 Annex A (normative) Explanation of differential pressure and pressure loss of an aerosol separator. .10 Annex B (normative) Test equipment ..11 Annex C (informative) Aerodynamic diameter ..13 Annex D (informative) Isokinetic sampling probes and information ..15 AnnexE(informative)Lifereference ..18 Annex F (normative) Validation of the absolute filter media ..19 Annex G (normative) Leakage ..20 Annex H (informative) Determination of maximum efficiency aerosol concentration ..21 Annex I (informative) Test equipment - Wall flow trap design ..2 Bibliography ..23 ii censee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 d without license from IHS