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14 Scientific Journals of the Maritime University of Szczecin, no. 14 / 2008



 

Recent Submissions

  • Więckiewicz, Wojciech (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The paper presents the experimental test performance of the jet thruster with outlet nozzle mounted in the ship bottom. The inclination between jet and bottom plate was 30 degrees and the jet was lateral to ship board. The decrease of thrust of the propeller due to the hull effect has been measured for three different hull breadths and for five bilge radiues
  • Stefanowski, Andrzej (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The paper presents a problem of rudder deflection velocity normalisation considering steering gear power reduction as well as safety of ship. It has been assumed that the following safety conditions should be fulfilled: during manoeuvre dimensionless angular velocity of hull should obtain the value of 0.2 after distance equal to hull length after distance equal to 1.5 of length of hull, transversal displacement should be equal to 3B, where B denotes hull breadth. Examples of numerical computations for a Mariner type ship and conclusions are given
  • Raunmiagi, Zygmunt (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The article presents the quality assessment of used injectors based on known measurement methods with the use of the up-to-date metrological devices. Different types of injector damage and technical and economical aspects of the usefulness of their repairs have been presente
  • Łącki, Mirosław (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    This paper describes a concept of evolutionary neural networks application in decision process support during vessel manoeuvring in a restricted area. Selected algorithms, genetic operations, methods of coding and selection, and structures of evolutionary neural networks are considered in the paper
  • Gutteter-Grudziński, Jerzy-Marek (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The issue of separation of oil emulsion using the ultrafiltration (UF) modules has been discussed in this paper. On the basis of preliminary studies performed in Maritime University of Szczecin, ultrafiltration modules have been suggested that comply a control test of Marpol Res. IMO MEPC 107/49. A new solution of the Neptun oil separation system with the use of patented ceramic UF modules has been presente
  • Giernalczyk, Mariusz; Górski, Zygmunt (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The article presents an original method of determining energy demand for ship propulsion, electrical power and boiler capacity for modern cruise liners at the preliminary stage of ship designing by means of statistic methods of calculations
  • Bejger, Artur (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2008)
    The presented research results specify the frequencies of an acoustic emission (AE) signal connected with phenomena occurring in the injection system of a diesel engine. From the time-frequency analysis the spectrum density was determined for a phenomenon or changes caused by the wear or damage of a selected injector component

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