Calculation of the mean long-term servic speed of transport ship. Part I. Resistance of ship sailing on regular shipping route in real weather conditions

• Autorzy: Szelangiewicz T. , Zelazny K.
• Języki publikacji: EN

Abstrakty

EN

Service speed obtainable by a ship in real weather conditions when sailing on a given shipping route, is one of the major parameters which have great impact on ship operation costs. The so far used, very ap-proximate method of service speed prediction based on “service margin”, is very little exact. In this paper a new method based on additional ship resistance dependent on mean statistical parameters of wave and wind occurring on a given shipping route, is presented. The mean long-term service speed is calculated on the basis of the calculated additional resistance and the screw propeller and propulsion engine parameters. Also, a new definition of service margin and a way of its calculation is presented apart from the results ofthe mean service speed calculation depending on ship’s type and size and shipping route

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2006
• Tom: 13
• Numer: 4
• Opis fizyczny: p.23-31,fig.,ref.

Twórcy

autor

Szelangiewicz T.

• Faculty of Marine Technology, Technical University of Szczecin, al.Piastow 41, 71-065 Szczecin, Poland

autor

Zelazny K.

• Faculty of Marine Technology, Technical University of Szczecin, al.Piastow 41, 71-065 Szczecin, Poland

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