08-30171660-DC.pdf
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1、a Date: 13 August 2008 Origin: International Latest date for receipt of comments: 30 November 2008 Project no.: 2007/02496 Responsible committee: MCE/21/2 Air filters for air supply to I.C. engines and compressors - Not on aircraft Interested committees: Title: Draft BS ISO 19713-2 Inlet air cleanin
2、g equipment for internal combustion engines and compressors Part 2: Fractional efficiency testing with coarse particles (5 m to 40 m optical diameter) Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE
3、If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 November 2008. This draft is issued to allow comments from
4、interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and
5、Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001
6、 or email . British, International and foreign standards are also available from BSI Customer Services. Information on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which
7、implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/. Direct tel: 020 8996 7009 Responsible Committee Secretary: Committee Service Centre (BSI) E-mail: Draft for Public Comment Head Office 389 Chi
8、swick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/30171660 DC Licensed CopyChinese University of Hong Kong, 21/10/2008 07:48, Uncontrolled Copy, (c) BSI THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT
9、 TO CHANGE AND MAY NOT BE REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH. IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTEN
10、TIAL TO BECOME STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS. RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION. DRAFT INTERNATIONAL STANDARD ISO/DIS 19713
11、-2 International Organization for Standardization, 2008 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION ISO/TC 22/SC 7 Voting begins on: 2008-08-04 Secretariat: DIN Voting terminates on: 2009-01-04 Road vehicles Inlet air cleaning equipment for internal co
12、mbustion engines and compressors Part 2: Fractional efficiency testing with coarse particles (5m to 40m optical diameter) Vhicules routiers quipement dpuration dair dentre pour moteurs combustion interne et compresseurs Partie 2: Contrle defficacit fractionnelle avec grosses particules (diamtre opti
13、que de 5m 40m) ICS 43.060.20 In accordance with the provisions of Council Resolution 15/1993 this document is circulated in the English language only. Conformment aux dispositions de la Rsolution du Conseil 15/1993, ce document est distribu en version anglaise seulement. To expedite distribution, th
14、is document is circulated as received from the committee secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at publication stage. Pour acclrer la distribution, le prsent document est distribu tel quil est parvenu du secrtariat du comit. Le travail de rdactio
15、n et de composition de texte sera effectu au Secrtariat central de lISO au stade de publication. Licensed CopyChinese University of Hong Kong, 21/10/2008 07:48, Uncontrolled Copy, (c) BSI ISO/DIS 19713-2 ii ISO 2008 All rights reserved PDF disclaimer This PDF file may contain embedded typefaces. In
16、accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adob
17、es licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for
18、printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. Copyright notice This ISO document is a Draft International Standard a
19、nd is copyright-protected by ISO. Except as permitted under the applicable laws of the users country, neither this ISO draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without p
20、rior written permission being secured. Requests for permission to reproduce should be addressed to either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright
21、iso.org Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement. Violators may be prosecuted. Licensed CopyChinese University of Hong Kong, 21/10/2008 07:48, Uncontrolled Copy, (c) BSI ISO/DIS 19713-2 ISO 2008 All rights reserved iii Contents Page Foreword iv Introdu
22、ction.v 1 Scope1 2 Normative references1 3 Terms and definitions.1 4 Test equipment, accuracy and validation.4 4.1 Measurement accuracy.4 4.2 Test stand configuration.5 4.3 Test conditions12 4.4 Validation .12 4.5 Reference air cleaner assemblies/air filter elements.13 4.6 Routine operating procedur
23、e.13 5 Fractional efficiency test 13 Annex A (informative) Test report.15 Annex B (normative) Efficiency data reduction .17 Annex C (normative) Pressure loss data reduction.24 Annex D (informative) Determination of maximum efficiency aerosol concentration.25 Annex E (normative) Accuracy requirements
24、, validation, and routine operation26 Annex F (informative) Particle diameters .29 Annex G (normative) Aerosol isokinetic sampling31 Annex H (normative) Fractional efficiency, Ef,i (%) 35 Bibliography36 Licensed CopyChinese University of Hong Kong, 21/10/2008 07:48, Uncontrolled Copy, (c) BSI ISO/DI
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