ISO INTERNATIONAL STANDARD 11042-1 First edition 1996-08-01 Gas turbines Exhaust gas emission - Part 1: Measurement and evaluation Turbines a gaz -- Emissions de gaz d'echappement -- Partie 1: Mesurage et évaluation ISO Reference number ISO 11042-1:1996(E) Copyright Intermational Organization for Standardization rovided by IHS rmitted without license from IHS Not for Resale ISO 11042-1:1996(E) Contents Page 1 Scope 1 2 Normative references. 1 3 Definitions 1 4 Symbols 2 5 Conditions 4 5.1 Gas turbine and fuel . 4 5.2 Measured values 4 5.3 Standard conditions... 4 6 Measurements. 5 6.1 Determination of constituents in exhaust gas 5 6.2 Guideline for the arrangement of the measurement system 5 6.3 Performing the test, test report, evaluation . 6 7 Instrumentation . 8 7.1 Types of measuring device . 8 7.2 Specification for NOx analysers. 8 7.3 Specification for CO and CO2 analysers. 9 7.4 Specification for sulfur oxides analysers . 10 7.5 Specification for unburned and partially burned hydrocar- bons analysers.... 11 7.6 Specification for ammonia analysers. 12 7.7 Specification for oxygen analysers. 13 7.8 Specification for smoke analysers. 15 7.9 Specificationforsolidparticleanalysers 16 8 Quality of measurement... 23 8.1 Preamble. 23 @1SO1996 All rights reserved. Unless otherwise specified, no part of this publication may be repro- copying and microfilm, without permission in writing from the pubtisher. International Organization for Standardization CasePostale56.CH-1211Geneve20·Switzerland Printed in Switzerland Copyright Intermational Organization for Standardization se from IHS Not for Resale @ ISO ISO 11042-1:1996(E) 8.2 Methods for calibration... 23 9 Conversion of data. 23 9.1 General.. 9.2 Conversion between wet and dry exhaust gas.. 24 '6 Conversion to the particular exhaust gas oxygen level..... 24 9.4 Conversion to the constituent mass flow related to the dry exhaust gas volume flow at normal conditions and to a specific oxygen content ... 24 9.5 Conversion to power output related values 24 9.6 Conversion to consumed fuel energy related values .... 24 Annexes A Typical example of test results and their evaluation.. 25 B Information regarding the major constituents of the exhaust gas 29 c Physical properties of gaseous constituents.... 30 D Bibliography... 33 i Copyright Intemational Organization for Standardization No reprodu ted without license from IHS Not for Resale