... indicative designs, one with triple shaft propulsion system and the other with one centre shaft and two wing podded propulsors. The present paper describes only the results for the model with triple shaft propulsion system. test result model test resistance test ice condition ice resistance...

..., Charpy impact tests and hardness tests. The test results indicate that the yield strengths, ultimate strengths, toughness and hardness of the aged steels continue to satisfy the ABS Rules requirements. A degradation assessment of these samples was also performed using these testing results...

... and propulsion development are discussed. icebreaker manhattan propulsion tanker variation subsea system hull form laboratory level ice bow form technology conference mt manhattan wilkman upstream oil & gas operation test result model test risk management ship resistance ice model...