| 摘要 |
A marine vessel for operation in at least partly ice-covered water, the vessel comprising a hull having at least one bow operable to be exposed to the loading effect of ice due to a relative motion between the ice and the vessel; wherein the bow defines a stem at which respective side portions of the hull meet, the bow having an upper portion which, during operation of the vessel at operational draughts, is located above the water level; a bottom portion which, during operation at operational draughts, is located below the water level; and an intermediate, ice-breaking portion which, during operation at operational draughts, is located at the water level; wherein the intermediate portion of the stem is raked at an angle of 45.. or less relative to a waterline; wherein the bottom portion of the stem comprises a forwardly protruding ledge portion. |
