Temat: ice floe - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Interaction of ships moving in opposing directions among ice floes
Autorzy:: Goncharov, V.
Klementieva, N.
Zueva, E.
Powiązania:: https://bibliotekanauki.pl/articles/135677.pdf
Data publikacji:: 2015
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: collision
computer simulation
ice floe
maneuvering
mathematical model
navigation
side force
yawing moment
Opis:: During winter in arctic seas, navigation of ships near ports occurs within ice channels created and maintained by icebreakers. Small ice floes fill the relatively narrow navigable channel, and ships are forced to produce the overtaking or opposing separation over short distances and under the action of ice floes. This paper presents an analytical model of the interaction of ships under the conditions just described as well as the results of a simulation. The simulation showed side force and yawing moments were dependent on ice conditions and the ship’s dimensions and motion characteristics.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 43 (115); 91-98
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Floating platforms made of monolithic closed rectangular tanks
Autorzy:: Szymczak-Graczyk, A.
Powiązania:: https://bibliotekanauki.pl/articles/200091.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: floating platforms
rectangular tank
hydrostatic load
temperature load
ice floe load
bending moments
definite difference method
platformy pływające
zbiornik prostokątny
obciążenia hydrostatyczne
obciążenie temperaturowe
momenty zginające
Opis:: The paper concerns closed monolithic rectangular tanks produced in one stage (one technological process without interruptions or dilatations) that function as floating platforms in inland waters. It presents an analysis of static work of the above-described tanks subject to the hydrostatic load of walls and bottom as well as the uniform load of the upper plate. Calculations were made with the use of the finite difference method in terms of energy, assuming the Poisson’s ratio ν = 0. Based on the obtained results, charts are provided that illustrate the variation of bending moments for the characteristic points of the analysed tanks as per specific workloads. The paper also provides test calculations for buoyancy, stability and the metacentric height for one type of the tank that was produced for the study. In this case, in addition to the above-mentioned loads, the calculation also took into account load temperature and ice load floe. The paper presents photographs taken when launching a pontoon prototype.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 2; 209-216
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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