Evaluation of the Effect of Container Ship Characteristics on Added Resistance in Waves

Journal of Marine Science and Engineering

Nastia Degiuli¹  Ivan Gospić¹  Andrea Farkas²  Ivana Martić² 

[1] Ivana Lučića 5, 10000 Zagreb, Croatia;Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb;

关键词: container ship;    added resistance in waves;    sea states;    potential flow theory;    variation of ship characteristics;   

DOI  :  10.3390/jmse8090696

来源: DOAJ

【 摘 要 】

Added resistance in waves is one of the main causes of an increase in required power when a ship operates in actual service conditions. The assessment of added resistance in waves is important from both an economic and environmental point of view, owing to increasingly stringent rules set by the International Maritime Organization (IMO) with the aim to reduce CO₂ emission by ships. For that reason, it is desirable to evaluate the added resistance in waves already in the preliminary ship design stage both in regular and irregular waves. Ships are traditionally designed and optimized with respect to calm water conditions. Within this research, the effect of prismatic coefficient, longitudinal position of the centre of buoyancy, trim, pitch radius of gyration, and ship speed on added resistance is investigated for the KCS (Kriso Container Ship) container ship in regular head waves and for different sea states. The calculations are performed using the 3D panel method based on Kelvin type Green function. The results for short waves are corrected to adequately take into account the diffraction component. The obtained results provide an insight into the effect of variation of ship characteristics on added resistance in waves.

【 授权许可】

Unknown