PUBLISHER : POLISH MARITIME RESEARCH No 4(54) 2007 Vol 14 CONTENTS 3 JAN P. MICHALSKI Address of Publisher & Editor's Office : A method for selection of parameters of ship propulsion system fitted with compromise screw propeller GDAŃSK UNIVERSITY 10 JAN A. SZANTYR OF TECHNOLOGY Faculty Dynamic interaction of the cavitating of Ocean Engineering propeller tip vortex with the rudder & Ship Technology 15 LESZEK PIASECZNY, ul. Narutowicza 11/12 KRZYSZTOF ROGOWSKI 80-952 Gdańsk, POLAND The effect of blade thickness on microstructure tel.: +48 58 347 13 66 and mechanical properties of ship’s sand-cast propeller fax : +48 58 341 13 66 18 TADEUSZ SZELANGIEWICZ, KATARZYNA ŻELAZNY e-mail : offi
[email protected] Mean long-term service parameters Account number : of transport ship propulsion system. Part I BANK ZACHODNI WBK S.A. 24 MONIKA BORTNOWSKA I Oddział w Gdańsku Prediction of power demand for ship motion control system 41 1090 1098 0000 0000 0901 5569 of sea mining ship fitted with tubular winning system Editorial Staff : 31 TOMASZ CEPOWSKI Editor in Chief Kazimierz Kempa Application of artificial neural networks to approximation e-mail :
[email protected] Przemysław Wierzchowski Scientific Editor and identification of sea-keeping performance e-mail :
[email protected] of a bulk carrier in ballast loading condition Jan Michalski Editor for review matters 40 EUGENIUSZ KOZACZKA, JACEK DOMAGALSKI, e-mail :
[email protected] GRAŻYNA GRELOWSKA, IGNACY GLOZA Tadeusz Borzęcki Editor for international relations Identification of hydro-acoustic waves emitted e-mail :
[email protected] from floating units during mooring tests Piotr Bzura Managing Editor e-mail :
[email protected] 47 TADEUSZ SZELANGIEWICZ, KATARZYNA ŻELAZNY Cezary Spigarski Computer Design Mean long-term service parameters e-mail : biuro@oficynamorska.pl of transport ship propulsion system.