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 54
... consequences , such as damage to the propeller blade , shaft or engine or reduced propeller efficiency . It is therefore one of the major issues that needs to be considered for the safety of ships in ice . The purpose of this paper is ...
... consequences , such as damage to the propeller blade , shaft or engine or reduced propeller efficiency . It is therefore one of the major issues that needs to be considered for the safety of ships in ice . The purpose of this paper is ...
Page 79
... consequence is that the amplitude of the ice load of the first impact increased about with the ratio of the 1.25 , Figure 5. The later impacts were also influenced by increased movements of the ice block . a ) 100 0 -100+ -200+ F ( KN ) ...
... consequence is that the amplitude of the ice load of the first impact increased about with the ratio of the 1.25 , Figure 5. The later impacts were also influenced by increased movements of the ice block . a ) 100 0 -100+ -200+ F ( KN ) ...
Page 100
... consequence of this , the spindle torque is significantly lower from Pice that from Fice . For the blade root sections , the normal bending stresses are mainly determined by the bending moment from Fice . Therefore , for the ...
... consequence of this , the spindle torque is significantly lower from Pice that from Fice . For the blade root sections , the normal bending stresses are mainly determined by the bending moment from Fice . Therefore , for the ...
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