Temat: Manoeuvring - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Nautical access study based on real time bird’s eye view simulations
Autorzy:: Mansuy, M.
Candries, M.
Eloot, K.
Tematy:: manoeuvring study
ship manoeuvering
ship manoeuvring simulation
Fast Time Simulation (FTS)
Real Time Simulation (RTS)
3D Visualisation
manoeuvring simulator
manoeuvring assessment; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/1841571.pdf Link otwiera się w nowym oknie
Opis:: Real time ship manoeuvring simulations are a valuable source of information in the detailed design phase of nautical studies. The feedback of pilots, which is not available for fast time simulations that are carried out by a computerized autopilot, is an important asset in the evaluation of the feasibility of ship manoeuvres. However, real time simulations are significantly more expensive in that realistic 3D visuals are needed so that the pilot can immerse himself in a sailing environment. Modelling and generating such 3D views is time consuming and requires expensive hardware and special skills. Real time simulations that offer only a 2D bird’s eye view for the execution of manoeuvres by pilots, can sometimes be used as a cheaper and faster alternative. This paper presents a case study that evaluates the nautical access to two harbours and discusses some of the advantages and disadvantages of a real time bird’s eye view setup.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Manoeuvring to required approach parameters - distance and time on course
Autorzy:: Lenart, A. S.
Tematy:: nawigacja
manewrowanie
navigation
manoeuvring; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320755.pdf Link otwiera się w nowym oknie
Opis:: The predicted object distance on course Dc and the time interval to its occurrence Tc are sometimes used additional criteria for collision threat. They are calculated in some ARPAs as BCD - the bow crossing distance and BCT - the bow crossing time. The scope of this paper is aimed at the problem which although it can be and it is connected with collision avoidance manoeuvres, but it is rather reversed and can be applied for intentional approaches or in naval tactical manoeuvres - what own speed and/or course manoeuvre should be undertaken to achieve the required distance on course Dc and /or time to this distance Tc?
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 3.

Tytuł:: Manoeuvring to required approach parameters - distance, time and bearings
Autorzy:: Lenart, A. S.
Tematy:: nawigacja
manewrowanie
navigation
manoeuvring; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320835.pdf Link otwiera się w nowym oknie
Opis:: Formulae for calculation of own speed and course to achieve a required distance, time and bearings in respect to a selected object are derived and their graphical interpretation is provided.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 4.

Tytuł:: Impact of hydrodynamics on ship handling characteristics in training simulators
Autorzy:: Kobyliński, L.
Tematy:: ship manoeuvring simulators
Coanda effect
bank effect
hydrodynamic theory
manoeuvring scenarios
passage; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135466.pdf Link otwiera się w nowym oknie
Opis:: Currently, ship operators (ship masters and pilots) are trained on ship simulators, either Full Mission Bridge (FMB) simulators, or Manned Model (MM) simulators. Both types of simulator increase an operator’s skill in manoeuvring a ship, and both incorporate the impact of hydrodynamic forces on the handling characteristics of a simulated ship. However, all forces affecting manoeuvring are the result of flow patterns that build up around the hull. These flow patterns may have extremely complex effects on many practical manoeuvres. Recent advances in hydrodynamic theory allow the impact of hydrodynamic forces on manoeuvrability to be simulated quite accurately so long as the simulated ship is moving straight ahead or performing standard manoeuvres. These advances also allow the simulation of such external influences as bank effects, shallow water effects, and canal effects, as well as the effect of the passage of other ships in the immediate vicinity. With a measure of simplification, these effects can be incorporated in FMB simulators. They can also be simulated by MM simulators provided both the models and training areas are properly prepared. As they are now, training simulators do not contribute to a trainee’s understanding of the way in which flow patterns develop or of the forces they create. This article discusses this deficiency and proposes a solution for it. Several examples of specific manoeuvring scenarios are used to illustrate the solution.
Dostawca treści:: Biblioteka Nauki

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na półce

Skocz do pozycji: 5.

Tytuł:: Assessment of ships manoeuvring area dimensions reckoned by means of GNSS measurements
Autorzy:: Zalewski, P.
Tematy:: obszar manewrowania
manoeuvring area; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320687.pdf Link otwiera się w nowym oknie
Opis:: The paper presents possible methods of dimensioning manoeuvring water area which take into account the GNSS accuracy factor. Based on real experiment measurements in Świnoujście harbour the comparison of manoeuvring areas' dimensions by methods with and without allowance for measurements' biases has been made. The precedence of these methods in respect of their reliability has been proposed.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 6.

Tytuł:: Manoeuvring to required approach parameters - distance and time abeam
Autorzy:: Lenart, A. S.
Tematy:: nawigacja
manewrowanie
navigation
manoeuvring; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320837.pdf Link otwiera się w nowym oknie
Opis:: Formulae for calculation of own speed and course to achieve a required distance and time abeam in respect to a selected object are derived and their graphical interpretation is provided.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 7.

Tytuł:: A simulation method for the determining the minimum pull of tugs assisting in port manoeuvres
Autorzy:: Gucma, Stanisław
Gucma, Maciej
Gralak, Rafał
Bilewski, Mateusz
Muczyński, Bartosz
Tematy:: port manoeuvring
simulation of ship movement
manoeuvring safety
tug assistance
determination
minimum safe pull; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135005.pdf Link otwiera się w nowym oknie
Opis:: The article presents a simulation method for determining the minimum safe pull of tugs assisting in port manoeuvres. The method can be used to determine the relationship between the minimum safe pull, understood as the tension on the line, of the assisting tugs and the overall length, cargo capacity or net capacity of ships manoeuvring in a given port under allowable hydrometeorological conditions. The method was verified through simulated tests of gas tankers’ entry, turning and berthing at the LNG terminal of Świnoujście.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 8.

Tytuł:: Safety of manouvering, mooring and unloading of lng carriers in outer port of Swinoujscie
Autorzy:: Gucma, S.
Gucma, M.
Tematy:: manewrowanie
bezpieczeństwo
LNG
manoeuvring
safety; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320703.pdf Link otwiera się w nowym oknie
Opis:: Safe entrance to the port of LNG carrier (vessel of length abt. 300m) to the terminal requires considering of technical and navigational aspects, as well as fulfilment of series of safety criteria related to manoeuvring, mooring and unloading of LNG carrier (LNGC). Complex manoeuvring, mooring and unloading safety assessment of LNG C in port, might be done as a assessment of particular types of manoeuvres and exploitation operations. Article copes with all this aspects.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 9.

Tytuł:: How to introduce course dynamic instability into ship manoeuvring mathematical model
Autorzy:: Artyszuk, J.
Tematy:: zdolności manewrowe statku
ship manoeuvring; Pokaż więcej
Wydawca:: Polskie Forum Nawigacyjne
Powiązania:: https://bibliotekanauki.pl/articles/320921.pdf Link otwiera się w nowym oknie
Opis:: The paper presents a method of conversion of the previously published full-mission time-domain manoeuvring mathematical model to an analytical model under steady turning conditions. The aim is to identify the parts of the model directly responsible for a given shape of the spiral test curve in case of directionally stable or unstable ships.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 10.

Tytuł:: Open water manoeuvring model tests at the Joniny Test Station, Ship Hydromechanics Division, CTO S.A.
Autorzy:: Bednarek, A.
Głodowski, R.
Ołtarzewski, A.
Tematy:: free sailing model tests
manoeuvring abilities of the ship
manoeuvring tests
model tests; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/258688.pdf Link otwiera się w nowym oknie
Opis:: Although the role of computational methods (CFD) in prediction of the hydromechanic qualities of ships grows rapidly, the role of the physical experiment is still very important (if not principal). Concerning the experimental investigations focused on manoeuvring abilities of ships, there are two main approaches to be applied: open water model tests and captive model tests (Planar Motion Mechanism). The paper contains some basic information concerning the first of mentioned methods including the evolution of the measuring techniques, applied equipment and methodology. These changes result not only from technological progress, but also reflect different expectations of our Clients. In the case of mentioned open water manoeuvring model test, its specific character determines a little bit different approach, which combines some strictly scientific objectives, i.e. prediction of the manoeuvring abilities, with commercially attractive and direct demonstration of the results. Thus, in parallel with description of the measuring systems used during the tests (starting from mechanical/optical torograph system to modern laser tachimeter system), evolution of the visualization systems is also presented. In addition, some future trends in the development of the open water tests station in Joniny has been described including experimental work as well as basic/auxiliary equipment.
Dostawca treści:: Biblioteka Nauki

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