IS INTERNATIONAL STANDARD

Transcription

1 INTERNATIONAL STANDARD IS0 054 First edition Internal combustion compression-ignition engines - Measurement apparatus for smoke from engines operating under steady-state conditions - Filter-type smokemeter Moteurs ;i combustion interne 5 allumage par compression - Appareillage de mesure de la fumke des moteurs dans /es conditions stabiliskes - Fumimktres 21 filtre Reference number IS0 054: 1998(E)

2 IS0 054: 1998(E) Contents Page 1 Scope Normative references Definition Symbols Measurement principle Characteristics of filter-type smokemeters Reference conditions General specifications Parameters Information required from manufacturer Operating conditions of filter-type smokemeter Installation of filter-type smokemeter Sampling procedure Maintenance of filter-type smokemeter functional ability... 7 Verification of types of filter-type smokemeters Applicable procedures... 7 IO.2 Instrumentation and checking facilities for verification Checking for verification Measurements and calculations for verification IS 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 the publisher. International Organization for Standardization Case postale 56 l CH-1 1 Geneve 20 l Switzerland Internet iso.ch Printed in Switzerland ii

3 @ IS0 IS0 054:1998(E).5 Cleanliness of gas in dead volume....6 Temperature at end of sampling....7 Representative sampling....8 Uniform blackening of filter area....9 Reflectometer characteristics.... Filter characteristics.... Calibration screen.... Accuracy of reflectometer system Statistical methods Annexes A Equipment for checking leakage and actual suction volume of filter-type smokemeter A.1 General description A.2 Specification of equipment necessary A.3 Preparatory steps A.4 Test procedure for checking leak-tightness and actual suction volume A.5 Test procedure for checking nominal suction volume B Bibliography III

4 IS0 IS0 Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (I EC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard IS0 054 was prepared jointly by Technical Committees lso/tc 22, Road vehicles, Subcommittee SC 5, Engine tests and ISO/TC 70, internal combustion engines, Subcommittee SC 5, Special requirements. Annex A forms an integral part of this International Standard. Annex B is for information only.

5 INTERNATIONAL STANDARD 0 IS0 IS0 054: 1998(E) Internal combustion compression-ignition engines - Measurement apparatus for smoke from engines operating under steady-state conditions - Filter-type smokemeter 1 Scope This International Standard specifies the characteristics required for apparatus to measure the soot content from the exhaust gas of reciprocating internal combustion compression-ignition (diesel) engines operating under steady-state conditions according to the method of blackening a filter. These measuring apparatus are called Filter-Type Smokemeters. This International Standard does not deal with apparatus for measurement under transient conditions; if filter-type smokemeters are used under transient conditions, the results of different types of instruments cannot be compared unless sampling conditions are identical. This International Standard does not apply to engines for aircraft. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 534:1988, Paper and board - Determination of thickness and apparent bulk density or apparent sheet density. IS0 2602:1980, Statistical interpretation of test results - Estimation of the mean - Confidence in ten/al. IS0 2758:---J), Paper - Determination of bursting strength. lso/cle 526:1991, Cl E standard colorime tric illuminan ts. IEC 584-l :I 995, Thermocouples - Part 1: Reference tables. IEC 584-2: 1982, Thermocouples - Part 2: Tolerances Cl E 38: 1977, Radiometric and photometric characteristics of materials and their measurement. CIE 64:1984, Determination of the spectral responsitivity of optical radiation detectors. Cl E 69: 1987, Methods of characterizing i/luminance meters and luminance meters: performance, characteris tics and specifications. ANSI/ASTM D2156, Method of test for smoke density in the flue gases from distillate fuels. DIN 5036-I : 1978, Radiometric and photometric properties of materials; definitions characteristics. DIN : 1979, Radiometric and photometric properties of materials; methods of measurement for photometric and spectral radiometric characteristics. J IS D 8004: 1986, Reflection type smokemeters for automobi/e diesel engine (an English translation exists of the 1971 edition). I) To be published. (Revision of IS0 2758:1983) 1