Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 5American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 94
... higher in the broken channel than in level ice , suggesting a higher radial location for the channel ice / propeller interactions . Blade spindle torque is plotted versus pitch angle in Figure 9 . The highest spindle torques occur in ...
... higher in the broken channel than in level ice , suggesting a higher radial location for the channel ice / propeller interactions . Blade spindle torque is plotted versus pitch angle in Figure 9 . The highest spindle torques occur in ...
Page 115
... higher propagation acceleration and afterwards the cracks enter the brittle fracture region earlier because of the higher acceleration . Therefore , AK , is a critical value for fatigue cracks showing a transition from a lower crack ...
... higher propagation acceleration and afterwards the cracks enter the brittle fracture region earlier because of the higher acceleration . Therefore , AK , is a critical value for fatigue cracks showing a transition from a lower crack ...
Page 214
... Higher loads at the Hondo and Pembridge installations are believed to be primarily due to the thicker ice ( maximum thickness of 1.07 m ) , larger floes ( up to 50 m wide and 1 km long ) and higher impact velocities ( 0.4 - 2.87 m / s ) ...
... Higher loads at the Hondo and Pembridge installations are believed to be primarily due to the thicker ice ( maximum thickness of 1.07 m ) , larger floes ( up to 50 m wide and 1 km long ) and higher impact velocities ( 0.4 - 2.87 m / s ) ...
Contents
OMAE99PA1135 | 19 |
OMAE99PA1141 | 39 |
PROPELLERICE INTERACTION | 53 |
Copyright | |
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analysis angle applied Arctic ASME assumed average blade block boundary calculated Canada channel coefficient component conducted considered constant Copyright crack creep crushed dependence depth determined direction distribution effect Engineering equation estimate experiments factor failure field Figure floes flow force frequency friction function given height horizontal ice force ice loads ice sheet ice thickness iceberg icebreaker included increase indentation indentor interaction International layer length material maximum mean measured Mechanics method Newfoundland observed obtained occurred Offshore operations parameters peak performance predicted present pressure propeller range ratio region Report Research resistance salinity scale scour shape shear ship shown shows similar soil speed stamukha strain strength stress structure surface Table temperature tests thrust torque values vertical wave width wind zone