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    Tytuł:
    Mooring area and mooring buoys plan
    Autorzy:
    Lušić, Z.
    Pušić, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201456.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    mooring area
    mooring field
    mooring buoy
    anchorage
    swing mooring
    small vessels
    swing radius
    distance between mooring buoys
    Opis:
    Developing tourism and growing number of tourist and other smaller vessels and personal boats require a larger number of berths, outside dedicated ports, and harbours. Vessels can always anchor, but for ecological, and commercial reasons mooring areas with installed mooring buoys are better and more efficient solutions. However, choosing mooring areas, their size, number of buoys, etc. compared to choosing anchorage areas, is a much more complicated procedure, even more so for not having a unified form nor practice. This paper analyses some of the main issues in the selection of mooring sites and fields, focusing on the factors that should be considered in the planning process. As a result of the carried-out analysis some basic recommendations will be given concerning the choice of mooring field shape, swing radius calculation, distance from the shore, nearby vessels, and other obstacles.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 147--155
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary Designing Method of External Pressure Vessels for Sea Subsurface Applications
    Autorzy:
    Michalski, J. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/259248.pdf
    Data publikacji:
    2010
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    subsurface buoy mooring systems
    external pressure vessels
    Opis:
    This paper describes a unique engineering method intended for the preliminary designing of marine echo-location systems. The solved designing problem consists in determining geometrical parameters and selecting structural materials for a vessel of a buoyancy necessary to contain measuring instruments of a given mass, as well as its maximum gabarites and operational submersion depth. The assumed variability range of the system’s parameters determines a space of permissible applicability parameters of the method. Stress level related to permissible and critical stresses was assumed to be safety criterion for the vessel. The method may be applied also to solving converse problems consisting in determining maximum permissible submersion depth for a vessel made of assumed structural materials and having given geometrical parameters. The presented description of the method is illustrated by an example of its application.
    Źródło:
    Polish Maritime Research; 2010, 2; 3-9
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A comparison between conventional buoy mooring CBM, single point mooring SPM and single anchor loading SAL systems considering the Hydro-meteorological condition limits for safe ship’s operation offshore
    Autorzy:
    Rutkowski, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/117407.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    offshore operations
    Conventional Buoy Mooring (CBM)
    Single Point Mooring (SPM)
    Single Anchor Loading (SAL)
    hydrometeorological condition limits
    Multiple Buoy Mooring (MBM)
    very large crude carrier (VLCC)
    Floating Production Storage and Offloading (FPSO)
    Opis:
    The purpose and scope of this paper is to describe the characteristics and make comparisons between: Conventional Buoy Mooring (CBM), also referred to as Multi-Buoy Moorings (MBM), Single Point Mooring (SPM) and conventional Single Anchor Loading (SAL) systems considering the hydro meteorological condition limits enabling safe ship’s cargo and manoeuvring operation offshore. These systems (CBM, SPM and SAL) are typically used for short term mooring applications offshore associated with the offloading and loading of bulk liquid fuel tankers transporting refined and unrefined products of crude oil. The permanently moored vessels FSO/FPSO are excluded from this scope.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 187-195
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An improvement in ro-ro stern berthing modelled on a case study
    Autorzy:
    Perkovic, M.
    Batista, M.
    Vidmar, P.
    Luin, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/135160.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    mooring analysis
    buoy engineering
    accident
    ro-ro
    windage
    tramontana
    simulation
    Opis:
    The high volume transported by ro-ro vessels has not come without a price. Accidents and incidents related to design – lack of bulkheads, instability, problems with cargo access doors, stowage, securing cargo and lifesaving appliances – are growing along with the size of the vessels themselves. One particular and recurrent problem is the degree of these giant box-like high riding vessels exposed to wind. Recently the effect of a tramontana – a fierce, sudden and short term regional wind – in the Port of Koper was to detach a moored ship, causing an accident. This paper will present a study of that accident, and through simulations and modelling determine an improvement that will allow berthing perpendicular to the stern ramp to function more securely.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 134-142
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    DeepCwind semi-submersible floating offshore wind turbine platform with a nonlinear multi-segment catenary mooring line and intermediate buoy
    Autorzy:
    Motallebi, Mohammad
    Ghassemi, Hassan
    Shokouhian, Mehdi
    Powiązania:
    https://bibliotekanauki.pl/articles/24202503.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    semi-submersible floating platform
    offshore wind turbine
    dynamic response
    catenary mooring system
    intermediate buoy
    strain and tension
    Opis:
    In this paper, to improve the mechanical behavior of DeepCwind semi-submersible floating offshore wind turbine (FOWT) platform mooring lines, the nonlinear catenary cables of the platform were divided into multi-segment and intermediate buoys. Mathematical formulations of the boundary element method (BEM) governing the dynamics of mooring line systems with buoy devices were described. This study was applied to the OC4-DeepCwind semi-submersible FOWT platform, which is designed for a 200-meter water depth with mooring lines consisting of three catenary steel chain cables at 120° angles to each other. The dynamic response of the multi-segment catenary mooring lines with different buoy radiuses and different positions along the cables was investigated. The full-scale platform was modeled in ANSYS-AQWA software, and the simulations were performed under harsh offshore conditions. The mooring line’s general arrangement, tension, strain and uplift force for different buoy radiuses and their position along the cable are presented and discussed. Moreover, platform motions in three directions (surge, heave, and pitch) were also analyzed. It was concluded that by correctly selecting the buoy volume and position along the cable, the tension of the cable may be reduced by up to 45%. By incorrectly selecting the buoy, the results caused adverse effects.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 69 (141); 20--34
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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