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 93
... ice , then used gas turbine on the centre shaft in up to 1.4 m ice , and switched to gas turbines on all shafts in ... level ice thicknesses were up to 3.1m . Figure 5 shows the level ice thickness measurements over part of the route ...
... ice , then used gas turbine on the centre shaft in up to 1.4 m ice , and switched to gas turbines on all shafts in ... level ice thicknesses were up to 3.1m . Figure 5 shows the level ice thickness measurements over part of the route ...
Page 94
RESULTS RELATIVE MAGNITUDE OF LEVEL ICE AND BROKEN CHANNEL PROPELLER ICE LOADS Blade normal load is plotted versus pitch angle in Figure 7. The negative value of these loads indicates that , with the vessel going ahead , the ice loads ...
RESULTS RELATIVE MAGNITUDE OF LEVEL ICE AND BROKEN CHANNEL PROPELLER ICE LOADS Blade normal load is plotted versus pitch angle in Figure 7. The negative value of these loads indicates that , with the vessel going ahead , the ice loads ...
Page 95
... ice milling conditions , such as those resulting from balanced propulsion in level ice conditions . Y POSITION M 2.5 2.3 2.1 1.9 1.7 1.5 -O DE CHAIRIELICE THK 2.75 O DE CHANNEL DE THK 50-2.00 ) ADE CHANEL CETIK 1,50 0.9 0.7 0.5 -1.5 X DE ...
... ice milling conditions , such as those resulting from balanced propulsion in level ice conditions . Y POSITION M 2.5 2.3 2.1 1.9 1.7 1.5 -O DE CHAIRIELICE THK 2.75 O DE CHANNEL DE THK 50-2.00 ) ADE CHANEL CETIK 1,50 0.9 0.7 0.5 -1.5 X DE ...
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