ISO INTERNATIONAL STANDARD 11011 First edition 2013-09-15 Compressed air - Energy efficiency Assessment Air comprimé-Efficacité énergétique —Evaluation Reference number IS0 11011:2013(E) LSO IS02013 py IHS under itted without license from IHS Not for Resale IS0 11011:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2013 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. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 11011:2013(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 3.1 General .2 3.2 Flow.... 3.3 Pressure 4 3.4 Storage, 3.5 Volume. .5 4 Roles and responsibilities .6 4.1 Identification of assessment team members .6 4.2 Site management support. .7 4.3 Communications. .7 4.4 Access to equipment, resources, and information .7 4.5 Assessment objectives and scope. .7 4.6 Identification of other assessment team members ..7 4.7 Objective check. .7 5 Assessment methodology .8 5.1 General. 5.2 Systems engineering methods ..8 5.3 Systems engineering process 5.4 System assessment process .9 6 Parameters and their determination ..10 6.1 General. 10 6.2 Measurement .10 6.3 Pressure. ..10 6.4 Flow rate.. .11 6.5 Power ..12 7 Initial data collection and evaluation ..13 7.1 General .13 7.2 Plant background .13 7.3 Plant function.. .13 7.4 Compressed air system definition .13 7.5 Inventoryofkeyend-useairdemands .13 7.6 Heat recovery. .13 7.7 Baseline period and duration of data logging ..14 7.8 Energyuse. .14 7.9 Compressed air system supply efficiency .14 7.10 System volume .14 7.11 Pressure .15 7.12 Flowrate.. 15 7.13 Critical air demands .15 7.14 Compressed air waste .15 7.15 Airtreatment .15 7.16 Compressor control .16 7.17 Storage. .16 7.18 Maintenance .16 7.19 Ambientintakeconditions. ..16 8 Analysis of data from assessment .16 8.1 General. .16 iii ed without license from IHS Not for Resale