BS ISO 15016:2015 – TC:2020 Edition
$280.87
Tracked Changes. Ships and marine technology. Guidelines for the assessment of speed and power performance by analysis of speed trial data
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 234 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 145 | Foreword |
| 146 | Introduction |
| 147 | 1 Scope |
| 148 | 2 Normative references 3 Terms and definitions |
| 150 | 4 Symbols and abbreviated terms 4.1 Symbols |
| 154 | 4.2 Abbreviated terms 5 Responsibilities 5.1 Ship builders’ responsibilities |
| 155 | 5.2 The Trial Team 6 Trial preparations 6.1 Step 1: Installation and Calibration |
| 156 | 6.2 Step 2: S/P trial agenda and pre-trial meeting |
| 157 | 7 Ship’s condition 7.1 Displacement 7.2 Trim 7.3 Hull and propeller 8 Trial boundary conditions |
| 158 | 8.1 Location 8.2 Wind 8.3 Sea state |
| 159 | 8.4 Water depth |
| 160 | 8.5 Current 9 Trial procedures 9.1 Parameters that shall be recorded 9.2 Parameters measured during each run |
| 161 | 9.3 Parameters measured at the speed trial site 9.4 General information 9.5 Tank test information |
| 162 | 9.6 Scope and conduct of the measurements 9.6.1 Ship track and speed over ground 9.6.2 Torque 9.6.3 Wind 9.6.4 Water depth 9.6.5 Waves |
| 163 | 9.6.6 Temperature and density 9.6.7 Current 10 Conduct of the trial 10.1 Initiation 10.2 Ship’s track during trial |
| 164 | 10.3 Run duration and timing 10.4 Trial direction 10.5 Steering 10.6 Approach 10.7 Number of speed runs 10.7.1 ‘Iterative’ method |
| 165 | 10.7.2 ‘Mean of means’ method 11 Data acquisition |
| 166 | 11.1 General data 11.2 Data on each run |
| 167 | 11.3 Acquisition system 11.3.1 Minimum data 11.3.2 System requirements |
| 168 | 11.3.3 Location 11.4 Manual data collection |
| 170 | 12 Analysis procedure 12.1 General remarks 12.2 Description of the analysis procedure |
| 171 | 12.2.1 Resistance data derived from the acquired data 12.2.2 Evaluation of the acquired data |
| 172 | 12.2.3 Evaluation based on Direct Power Method |
| 175 | 12.2.4 Correction of the measured ship’s speed due to the effect of current |
| 176 | 12.2.5 Correction of the ship’s speed due to the effects of shallow water 12.2.6 Correction of the ship’s performance due to the effects of displacement 12.2.7 Conversion of power curve from trial condition to full load/stipulated condition 13 Processing of the results |
| 177 | 14 Reporting |
| 178 | 15 Example of speed trial data analysis |
| 180 | Annex A (normative) General information and trial log sheet |
| 181 | Annex B (normative) Beaufort scale for wind velocity |
| 184 | Annex C (normative) Resistance increase due to wind |
| 194 | Annex D (normative) Resistance increase due to waves |
| 207 | Annex E (normative) Effect of water temperature and water density |
| 208 | Annex F (normative) Effect of current |
| 212 | Annex G (normative) Effect of shallow water |
| 213 | Annex H (normative) Effect of displacement |
| 214 | Annex I (normative) Conversion from trial condition to other stipulated load conditions |
| 216 | Annex J (normative) Derivation of load variation coefficients |
| 221 | Annex K (informative) Analysis of direct power method |
| 231 | Bibliography |
