Abstract
This paper discusses hull shapes of conventional and modern icebreakers to analyse the peculiarities of their bows, sterns and parallel midbodies. It discusses main performance parameters, main dimensions and hull shape details of conventional and modern icebreakers. The data base generated in this study includes hull shape details for bow, parallel midbody and stern ice belt areas of conventional and modern icebreakers. This work also yielded mean statistical data making it possible to judge how waterline slope and side slope depend on the position of design section. This study summarizes and generalizes overall design data for the majority of icebreakers operating in freezing Russian waters, including the Arctic. Depending on hull shape, displacement and ice class, this paper identifies three representative groups of icebreakers. The results of this study were further used to analyse the loads on ice belt structures of icebreakers, as well as to develop a system of relationships intended to obtain design ice loads as per RS Rules.
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