iceboat, icebreaker - a ship with a reinforced bow to break up ice and keep channels open for navigation lightship - a ship equipped like a lighthouse and anchored where a permanent lighthouse would be impracticable log - measuring instrument that consists of a float that trails from a ship...
There are three aims for this chapter; First, to categorize different ice types encountered by ships in cold regions, second, to describe different scenarios in an ice field a ship may experience and third, to present estimates of ice forces under different scenarios. This chapter serves to set...
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The Canadian Equivalent Standards for the Construction of Arctic Class Ships provide a methodology to determine design loads and scantlings for the hull plating and framing members of icebreakers and cargo ships operating in Arctic waters. The design equations explicitly recognize the post-yield capacit...
In February and March 1990 the US Army Corps of Engineers Cold Regions Research and Engineering Laboratory (CRREL) made measurements of superstructure ice on a US Coast Guard cutter in the Bering Sea. Twenty-three ice samples were removed from bulkheads, decks and icicles during two icing event...
In this paper, a numerical model based on the non-smooth discrete element method is presented to investigate the effect of ice floe shape on ship resistance under low-concentration broken ice condition where ice fields consist of relatively small and unbreakable floes. The accuracy of the numerical...
The mechanical properties of thick brash ice are considered, with special emphasis on the friction angle ф for a linear Mohr-Coulomb failure criterion. The static equilibrium of a uniform brash layer is discussed, and the internal stresses are given for neutral, active, and passive stress states...
The story of the Endurance and her crew is an epic one and all of Shackleton's crew survived the terrible conditions. “耐力”号和船员的故事是一个史诗般的故事,沙克尔顿号的所有船员都在可怕的条件下生存了下来。 After ...
The ice material is defined as elastic, and the simulations are accomplished at four model speeds and three ice concentrations. The movements of ice floes in the simulation are consistent with those in the model test, and the percentage deviation of the numerical ice resistance from the ice ...
Collector for ice ship is made in form of box-shaped bow-grace secured on ship's hull; bow-grace is triangular in cross section and is provided with holes in lower wall which is located horizontally; distance between edge of hole and outer edge of wall is less than diameter of hole. ...