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Określenie granicznych prędkości wiatru dla bezpiecznego postoju kontenerowca ULCV na kotwicy

100%

Gil M. , Wilczyński P.

tom R. 23, nr 12

297--300

W artykule omówiono wpływ warunków hydrometeorologicznych ze szczególnym uwzględnieniem działania wiatru oraz prądu na kontenerowiec ULCV (Ultra Large Container Vessel) podczas postoju na kotwicy. W celu wyznaczenia granicznych wartości wiatru, przeprowadzono badania symulacyjne z wykorzystaniem reprezentatywnego modelu statku, a otrzymane wyniki badań porównano z wykonanymi obliczeniami teoretycznymi.

Paper presents influence of hydro-meteorological conditions, especially wind and current on the ULCV (Ultra Large Container Vessel) container ship during anchoring. Wind speed limits, were determined by simulation study, based on representative ship model. Results of simulations were compared with theoretical calculations.

Możliwość wykorzystania EDI w gospodarce morskiej

100%

Łączyński B. , Wilczyński P.

tom Z. 10

170-178

Navigational decision support system during approach manoeuvre in emergency STS transfer operation

80%

Witkowska A. , Śmierzchalski R. , Wilczyński P.

tom Vol. 8, No. 1

175--182

The paper is concerned with the problem of safe trajectory planning for approaching during emergency STS (Ship to Ship) transfer operation with oil spill. The safe trajectory means that the way points does not cross in the area of the environment with the static and dynamic obstacles and at the same time satisfies ship's stopping and speed deceleration performance. The evolutionary path planning algorithm is used to determine trajectory designed as way points and straight line segments between them. The way points - ship positions and velocity can be treated as reference value to support navigator in decision making during Approach Manoeuvre and to mitigate the risk of collision which mostly results from exceed velocity of approaching. The task of trajectory planning is defined as constant optimization process to minimize trajectory length, course alteration and maximize safety in a navigational environment. This paper examines exemplary navigational scenario based on emergency STS accident.

Approach manoeuvre during emergency ship-to-ship transfer operation with oil spill

80%

Witkowska A. , Śmierzchalski R. , Wilczyński P.

tom Vol. 11, no. 2

331--337

One of the major activities during Ship to Ship (STS) transfer operation at sea is to safe approach the Ship to be Lightered (SBL) which moves on a constant heading with slow speed or drifting. In the paper described the manoeuvring problem for approaching during emergency STS transfer operation with oil spill. The approach manoeuvre is considered as a sequence of navigation manoeuvres in specific navigational environment with environmental and operational constraints as well as ship dynamic performance. Additional constraints results from STS transfer operation guide and navigation practise.