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 100
... axial ice loads on the propellers and blades can be carried out by measurements of axial ice loads in the propeller - shaft system . The special methods to distinguish " pure " ice propeller loads from the cumulative ice loads in the ...
... axial ice loads on the propellers and blades can be carried out by measurements of axial ice loads in the propeller - shaft system . The special methods to distinguish " pure " ice propeller loads from the cumulative ice loads in the ...
Page 103
... axial ice force F which direction is opposite to hydrodynamic thrust , may be taken as design ice load to determine Qbend and spind . The distribution law of operating Fi Fice can be described by the third asymptotic law [ 14 , 15 ] ice ...
... axial ice force F which direction is opposite to hydrodynamic thrust , may be taken as design ice load to determine Qbend and spind . The distribution law of operating Fi Fice can be described by the third asymptotic law [ 14 , 15 ] ice ...
Page 228
... axial stress ō ( x , t ) when the amplitude of this peak matches the flexural strength of of the ice . Correspondingly , the failure criterion for the axial stress at any point ( x , z ) is given by in which Ñ M ( x , t ) Z -ōcō ( x , z ...
... axial stress ō ( x , t ) when the amplitude of this peak matches the flexural strength of of the ice . Correspondingly , the failure criterion for the axial stress at any point ( x , z ) is given by in which Ñ M ( x , t ) Z -ōcō ( x , z ...
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