METHOD OF ICE COVER DESTRUCTION Russian patent published in 2020 - IPC B63B35/08 

Abstract RU 2736204 C1

FIELD: navigation in ice conditions.

SUBSTANCE: essence of invention consists in excitation of bending gravity waves in ice when underwater ship under ice moves with resonant speed. During movement, the ship is given negative buoyancy, and shifting the hull and stern horizontal rudders by positive angles of attack periodically with frequency of resonance bending gravity waves for a period of time equal to half of their period.

EFFECT: technical result consists in improvement of efficiency of ice breaking.

1 cl

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RU 2 736 204 C1

Authors

Kozin Viktor Mikhajlovich

Dates

2020-11-12Published

2020-03-19Filed