Home » Archive of journals » Issue 3(35) 2019 » Determination of the heeling moment acting in ice compression on the ice-resistant self-propelled platform “North Pole” by the model testing method
DETERMINATION OF THE HEELING MOMENT ACTING IN ICE COMPRESSION ON THE ICE-RESISTANT SELF-PROPELLED PLATFORM “NORTH POLE” BY THE MODEL TESTING METHODJOURNAL: 2019, ¹3(35), p. 97-106
RUBRIC: Shipbuilding for the Arctic
AUTHORS: Svistunov I.A.
ORGANIZATIONS: State Research Center "Arctic and Antarctic Research Institute"
The article was received on: 11.04.2019
Keywords: drifting research platform, model experiment, model experiment, stability of ships in ice, ice heeling moment
Bibliographic description: Svistunov I.A. Determination of the heeling moment acting in ice compression on the ice-resistant self-propelled platform “North Pole” by the model testing method. Arctic: ecology and economy, 2019, no. 3(35), pp. 97-106. DOI: 10.25283/2223-4594-2019-3-97-106. (In Russian).
The first in the world ice resistant self-propelled ship-type platform was designed and developed in the Russian Federation for performing year-round scientific studies in the Central Arctic Basin. An operation feature of this platform is its long drift in perennial ice. Acoordingly, under conditions of ice compression both sufficient hull strength and the platform stability should be ensured.
At the design stage studies were performed in the Arctic and Antarctic Research Institute (AARI) ice tank. For performing physical modeling of the platform behavior under ice compression a unique methodology was developed, according to which the platform model was exposed to an approaching simulated floe from one of the sides. A measuring complex was installed on the model, which made it possible to measure with a high frequency the platform heel and draft change in the course of its interaction with ice. The obtained measurement data made it possible to calculate the value of the ice heeling moment and the main index of stability — a metacentric height — at each moment of time.
The paper presents the theoretical foundations of the proposed methodology. According to the latter, a series of 29 experiments were performed to compress the model of the North Pole platform. As an example, some results experiments are given.
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