ISO INTERNATIONAL STANDARD 15016 Second edition 2015-04-01 Ships and marine technology - Guidelines for the assessment of speed and power performance by analysis of speed trial data Navires et technologie maritime-Lignes directrices pour I'evaluation des performances de vitesse et de puissance par analyse des donneesd'essaisdevitesse Reference number IS015016:2015(E) @ISO2015 tional Organization for Standardizatior rdization 5956617 rovided by IHS under lic IS0 15016:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015 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-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 0947 E-mail copyright@iso.org Web www.iso.org Published in Switzerland Nreroductionrneworkingpermitedwithout licenefrmHS Provided by IHS under license with ISC IS0 15016:2015(E) Contents Page Foreword ..V Introduction. .. i. 1 Scope.. 2 Normative references ..2 3 Terms and definitions .2 4 Symbols and abbreviated terms. 4.1 Symbols .4 4.2 Abbreviated terms .8 5 Responsibilities. .8 5.1 Ship builders'responsibilities .8 5.2 The Trial Team .9 6 Trial preparations .9 6.1 Step 1: Installation and Calibration .9 6.2 Step 2: S/P trial agenda and pre-trial meeting. ..10 7 Ship's condition. .11 7.1 Displacement .11 7.2 Trim. .11 7.3 Hull and propeller .11 8 Trial boundary conditions .11 8.1 Location .12 8.2 Wind.. .12 8.3 Sea state 8.4 Water depth .13 8.5 Current. ..14 9 Trial procedures ..14 9.1 Parameters that shall be recorded .14 9.2 Parameters measured during each run .14 9.3 Parameters measured at the speed trial site .15 9.4 General information. .15 9.5 Tank test information .15 9.6 Scope and conduct of the measurements .16 9.6.1 Ship track and speed over ground ..16 9.6.2 Torque .16 9.6.3 Wind 9.6.4 Waterdepth .16 9.6.5 Waves. 9.6.6 Temperature and density .17 9.6.7 Current. ..17 10 Conduct of the trial .17 10.1 Initiation .17 10.2 Ship's track during trial ..17 10.3 Run duration and timing .18 10.4 Trial direction .18 10.5 Steering. ..18 10.6 Approach .18 10.7 Number of speed runs 10.7.1 Tterative'method .18 10.7.2 'Mean of means' method ..19 11 Data acquisition. ..19 11.1 General data .20 cemational Organization@stSr225 - All rights reserved ili re=Zhejiang idardization 5956617