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
... bending moment ( at 0.35R ) is plotted versus pitch angle in Figure 8. Bending moments are higher in the broken channel than in level ice , suggesting a higher radial location for the channel ice / propeller interactions . Blade spindle ...
... bending moment ( at 0.35R ) is plotted versus pitch angle in Figure 8. Bending moments are higher in the broken channel than in level ice , suggesting a higher radial location for the channel ice / propeller interactions . Blade spindle ...
Page 96
... Bending Moments Figure 16. Spindle Torque at the time of Peak Bending Moment versus Bending Moment 0 PEAK BENDING MOMENT KNM 500 1000 1500 Y POSTION M 2.5 2.3 : 2.1 1.9 1.7 1.5 • GT LEVEL ICE THE 2.75 1.3 GT LEVEL ICE THK 202.5 A GT ...
... Bending Moments Figure 16. Spindle Torque at the time of Peak Bending Moment versus Bending Moment 0 PEAK BENDING MOMENT KNM 500 1000 1500 Y POSTION M 2.5 2.3 : 2.1 1.9 1.7 1.5 • GT LEVEL ICE THE 2.75 1.3 GT LEVEL ICE THK 202.5 A GT ...
Page 200
... bending , crushing , shear , buckling , and splitting . Observations show that the bending failure is more dominant than the other modes of failure under interaction conditions such as low inclination angle ( 10 ° to 60 ° ) , low ice ...
... bending , crushing , shear , buckling , and splitting . Observations show that the bending failure is more dominant than the other modes of failure under interaction conditions such as low inclination angle ( 10 ° to 60 ° ) , low ice ...
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