SHIP OR FLOATING DESIGN OPERATING IN ICE-WATERED WATERS AND METHOD FOR ITS USE

摘要

1. A vessel or floating structure operating in ice-covered waters, comprising a hull (1, 1 ') comprising at least one arcuate end or similar portion (2, 2') of the hull, which is subjected to the loading effect of ice during the movement of ice or the vessel characterized in that the arcuate end or a similar section (2, 2 ') of the housing in the underwater part of the housing is made with one or more flow channels (6, 6'), which are provided with injection means, a propeller or the like (8) for output from the bottom (3, 3 ') side of the vessel and the floating structure of strong, mainly upward directed water flows through the arcuate end or a similar section (2, 2 ′) of the hull towards the ice or ice field encountered by the section (2, 2 ′). A ship or a floating structure according to claim 1, characterized in that said means are located on the arcuate end or a similar section (2, 2 ') of the hull in the region on which the ice encounters in the first place. A vessel or a floating structure according to claim 1 or 2, characterized in that the arcuate end or a similar section (2, 2 ′) of the hull has an underwater part protruding from the waterline of the hull through which part of these water flows are discharged. 4. A vessel or a floating structure according to claim 3, characterized in that the protruding underwater part contains one or more protrusions (4, 4 '), which are made with one or more channels (6, 6') of the stream. A vessel or a floating structure according to claim 3, characterized in that said flow channels (6, 6 ′) are arranged to pass through a protrusion (4, 4 ′) for supplying water to them from the bottom (3, 3 ′) of the vessel. 6. Ship or floating structure according to claim 3, ex