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SHIP WITH AUXILIARY ICEBREAKING ROTARY BOW

Oleg G. Vinogradov

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Abstract

A ship with an auxiliary icebreaking rotary bow is proposed as a means for improving the icebreaking efficiency of icebreakers. Analytical comparison of forces and energy consumption of both conventional and nonconventional (with a rotary bow) ships during the process of riding up onto the ice is made. It is shown that the nonconventional ship requires less energy and needs a smaller propeller thrust to break the ice of the same thickness.

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What this paper is about

A ship with an auxiliary icebreaking rotary bow is proposed as a means for improving the icebreaking efficiency of icebreakers. Analytical comparison of forces and energy consumption of both conventional and nonconventional (with a rotary bow) ships during the process of riding up onto the ice is made. It is shown that the nonconventional ship requires less energy and needs a smaller propeller thrust to break the ice of the same thickness.

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Available abstract

A ship with an auxiliary icebreaking rotary bow is proposed as a means for improving the icebreaking efficiency of icebreakers. Analytical comparison of forces and energy consumption of both conventional and nonconventional (with a rotary bow) ships during the process of riding up onto the ice is made. It is shown that the nonconventional ship requires less energy and needs a smaller propeller thrust to break the ice of the same thickness.

Key concepts: Propeller, Marine engineering, Thrust, Engineering, Process (computing), Propulsion, Rotary engine, Mechanical engineering

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