Verifying Energy Efficiency
At the initial/concept design stage, we provide the following support:
- As part of the EEDI preliminary verification, accurate estimates of EEDI can be provided accounting for the following design considerations:
- Required value for type of ship, EEDI phase
- Speed-power curve for specified EEDI loading condition
- Main and auxiliary engine characteristics
- Energy-saving equipment/devices
- Fuel type
- Ship’s cargo capacity (deadweight)
- Guidance in the following:
- Planning of towing tank (model) tests to optimize the scope required to meet EEDI preliminary and final verification requirements including the use of energy-saving devices
- The evaluation of tank test results for correlation with measurements from full-scale trials
- Assistance in meeting the IMO MEPC requirements for minimum propulsion power taking into consideration the constraints of the required EEDI values for the type of ship. We provide both Level 1 and Level 2 assessments for bulk carriers and tankers
At the end of construction/sea trials and prior to delivery, we provide the following support:
- Guidance in the planning and conduct of speed trials required for EEDI verification as well as attendance on board.
- Independent speed trial analysis to confirm speed-power characteristics in calm water from which we derive the vessel’s EEDI reference speed. We can also provide independent assessment of the vessel’s speed-power characteristics in specified contract conditions.
- Verification of the attained EEDI using the final (as-built) engine, vessel and speed-power characteristics. As recognition of meeting the IMO MEPC requirements, we issue the IEE certificate.