FIELD: process engineering.
SUBSTANCE: invention relates to ice destruction for making passages in ice fields. Proposed process is based on two effects to be brought on ice fields: irradiation with high-power laser radiation and straining of ice by ice breaker hull. Laser units are installed at ice breaker with their focusing devices are directed downward, onto ice cover. To make the cutouts in ice field it is irradiated starting from the field edge and proceeded in lines parallel with ice breaker heading. The destruction of ice cover is performed in said lines of cutouts at strain developed by ice breaker hull in motion.
EFFECT: accelerated process, lower strain at ice breaker hull.
2 cl, 8 dwg
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