## 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 34

Power Requirements in Ice The measured parameters in the model self

propulsion tests in ice were

speed at each model speed in cach set of ice conditions . The self propulsion

point was ...

Power Requirements in Ice The measured parameters in the model self

propulsion tests in ice were

**expressed**as a quadratic functions of propellerspeed at each model speed in cach set of ice conditions . The self propulsion

point was ...

Page 111

Hence , the fatigue crack growth rate is

Yokobori , et al . , 1975 ) : dal dN = bin ( 9 ) where , ( m + 1 ) m ( m + 1 ) ( m + 1 ) . (

7 + 2 ) ( m + 2 ) ( m + 2 ) ( 10 ) VO is the number of dislocations of the crack tip ...

Hence , the fatigue crack growth rate is

**expressed**by dislocation dynamics as (Yokobori , et al . , 1975 ) : dal dN = bin ( 9 ) where , ( m + 1 ) m ( m + 1 ) ( m + 1 ) . (

7 + 2 ) ( m + 2 ) ( m + 2 ) ( 10 ) VO is the number of dislocations of the crack tip ...

Page 191

For example , in Croasdale's model , the total horizontal and vertical forces , Hrot

and Vior , exerted on the front half of the smooth cone can be

following simplified form : ED = I ( Eq . 1 ) Hror = Fg Prot ( Eq . 3 ) where & is the ...

For example , in Croasdale's model , the total horizontal and vertical forces , Hrot

and Vior , exerted on the front half of the smooth cone can be

**expressed**in thefollowing simplified form : ED = I ( Eq . 1 ) Hror = Fg Prot ( Eq . 3 ) where & is the ...

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### Contents

OMAE99PA1135 | 19 |

OMAE99PA1141 | 39 |

PROPELLERICE INTERACTION | 53 |

Copyright | |

24 other sections not shown

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analysis angle applied Arctic ASME assumed average blade block boundary calculated Canada channel coefficient component compressive 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 ice force ice loads ice sheet ice thickness iceberg icebreaker included increase indentation indentor interaction International layer length material maximum mean measured Mechanics method observed obtained occurred Offshore operations parameters peak performance predicted present pressure Proceedings 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