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 14
... residual term , which is regarded as the icebreaking component of resistance , can be expressed as follows ( Izumiyama et.al. , 1995 ) . RT - RPS - σph ( a2 + aзFH ) , F # < 0.25 ( 6 ) Speed Test Blade Angle Ship Speed Stopping Test H ...
... residual term , which is regarded as the icebreaking component of resistance , can be expressed as follows ( Izumiyama et.al. , 1995 ) . RT - RPS - σph ( a2 + aзFH ) , F # < 0.25 ( 6 ) Speed Test Blade Angle Ship Speed Stopping Test H ...
Page 105
... residual stresses σ ,. It is indicated in Ref . [ 17 ] that residual blade stresses σ , may be 20 % of the yield stress σ , veild . 4.2 Permissible defects in propeller blades . The size of a likely technological blade defect can not ...
... residual stresses σ ,. It is indicated in Ref . [ 17 ] that residual blade stresses σ , may be 20 % of the yield stress σ , veild . 4.2 Permissible defects in propeller blades . The size of a likely technological blade defect can not ...
Page 303
... residual minus inertia . For the sake of comparison the values obtained for friction angle were plotted against speed for different thicknesses ( Figs . 8.a to 8.d ) . It is interesting that the trends are very similar for different ...
... residual minus inertia . For the sake of comparison the values obtained for friction angle were plotted against speed for different thicknesses ( Figs . 8.a to 8.d ) . It is interesting that the trends are very similar for different ...
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