1、BSI Standards Publication Natural gas Calculation of methane number PD ISO/TR 22302:2014National foreword This Published Document is the UK implementation of ISO/TR 22302:2014. The UK participation in its preparation was entrusted to Technical Committee PTI/15, Natural Gas and Gas Analysis. A list o
2、f organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014 Published by BSI Standards Lim
3、ited 2014 ISBN 978 0 580 82791 4 ICS 75.060 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 July 2014. Amendments corrigenda issued since publication Date
4、Text affected PUBLISHED DOCUMENT PD ISO/TR 22302:2014 ISO 2014 Natural gas Calculation of methane number Gaz naturel Calcul de lindice de mthane TECHNICAL REPORT ISO/TR 22302 First edition 2014-07-01 Reference number ISO/TR 22302:2014(E) PD ISO/TR 22302:2014 ISO/TR 22302:2014(E)ii ISO 2014 All right
5、s reserved COPYRIGHT PROTECTED DOCUMENT ISO 2014 Tel. + 41 22 749 01 11 Web www.iso.org PD ISO/TR 22302:2014 ISO/TR 22302:2014(E) ISO 2014 All rights reserved iii Contents Foreword iv 1 Scope . 1 2 Terms and de initions . 1 3 Calculation methods of methane number 1 1 3.2 AVL method 2 4 Express calcu
6、lated MN 2 . 2 Annex A GRI original composition data of gas fuels for octane test . 3 Annex B The calculated MNs of some typical natural gas mixtures . 4 Bibliography .11 PD ISO/TR 22302:2014 ISO/TR 22302:2014(E) Foreword Natural Gas.iv ISO 2014 All rights reserved PD ISO/TR 22302:2014 TECHNICAL REP
7、ORT ISO/TR 22302:2014(E) Natural gas Calculation of methane number 1 Scope MN If the difference of MN method to determine MN MN MON 2 Terms and de initions 2.1 methane number MN 2.2 motor octane number MON conditions 3 Calculation methods of methane number 3.1 GRI methods ) to MON MON . 3.1.1 Linear
8、 coef icient relation MON = xxxxx 137 78 29 948 18 193 167 062 181 233 26 12345 , + ,994 6 x( 1 ) where ISO 2014 All rights reserved 1 PD ISO/TR 22302:2014 ISO/TR 22302:2014(E) n u m b e r123456 component CH 4 C 2 H C 3 H 8 C 4 H 10 CO 2 N 2 3.1.2 Hydrogen/carbon ratio relation MON R R R = + + 406 14 508 04 173 55 20 17 23 , ( 2 ) where R 3.1.3 Correlation between MON and MN MN MON (3) MON MN (4) 3.2 AVL method
