ABS, MARIN Launch Wind Propulsion Project
The classification society ABS and Netherlands based research institute MARIN have launched a Joint Industry Project (JIP) to investigate transparent and validated methods to assess performance of wind-assisted shipping propulsion technologies.The wind propulsion technology is a key driver in owners/operators investment decision-making.The JIP focuses on the majority of all marketed wind-assisted ship propulsors, while also aims to overcome the challenge to the uptake of these technologies by:- Improving methods for transparent performance prediction.- Using the improved methods to provide ship owners/operators with fast predictions…
Containership Design
Seaspan Saver, a 10,000 TEU container vessel is setting new standards in container ship design. MARIN and Marine Design and Research Institute of China (MARIC) developed the hull lines of this unique vessel, which has been entirely designed with a low operational cost profile in mind. Canadian owner Seaspan requested a hull form that facilitates very low fuel consumption in the operational speed range, but at the same time it had to be able to keep an acceptable top speed. This approach is in stark contrast to previous ideas, which have focused on having the highest possible top speed.
Wave Added Resistance
Model tests for the evaluation of ship designs should not only be performed in calm water but also in waves. MARIN’s new Depressurized Wave Basin (DWB) helps unravel some of the mysteries of wave added resistance. A ship is usually designed with a focus on its performance in calm water. However, operational conditions should be taken into account, including added resistance due to waves because it is an important factor in the economical performance of a ship. The sustained speed in storm conditions should be investigated but also the power increase in typical service conditions.
