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POLISH MARITIME RESEARCH PUBLISHER : Special Issue 2007/S2 CONTENTS

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POLISH MARITIME RESEARCH PUBLISHER : Special Issue 2007/S2 CONTENTS POLISH MARITIME RESEARCH PUBLISHER : Special Issue 2007/S2 CONTENTS 3 Edmund Brzoska, Mirosław Grygorowicz, Mieczysław Krężelewski, Andrzej Rogalski Model tests of fast units on the open waters of Jeziorak Lake 8 Wiesław Wełnicki Model tests of the resistance, propulsion and manoeuvrability of ships in the Experimental Centre in Ilawa 13 Jan Dudziak Address of Publisher Open water seakeeping model tests in the research work of the Gdansk University & Editor's Office : of Technology Shipbuilding Institute in the 1960s GDAŃSK UNIVERSITY OF TECHNOLOGY 18 Henryk Jarzyna Faculty Complex investigations of a cycloidal propeller in Ilawa in the 1960s of Ocean Engineering 20 Lech Kobyliński & Ship Technology Model tests in open waters – a concept that did pay off ul. Narutowicza 11/12 25 Eugeniusz Kozaczka 80-952 Gdańsk, POLAND Searching for objects under the sea bed by the nonlinear acoustics methods tel.: +48 58 347 13 66 fax : +48 58 341 47 12 27 Michał Krężelewski e-mail : offi[email protected] Present day activities of the Ilawa experimental centre 29 Sigismund Kastner Account number : A Historical Review of Ship Model Testing in Open Waters BANK ZACHODNI WBK S.A. I Oddział w Gdańsku 33 Teresa Abramowicz-Gerigk 41 1090 1098 0000 0000 0901 5569 The influence of hydro-meteorological factors on the risk of harbour operations Editorial Staff : 38 Jacek Nowicki Possibilities of representing the ship-tug cooperation in the free model tests Kazimierz Kempa Editor in Chief 42 Piotr Michałowski, Janusz Wolniak e-mail : [email protected] Practical measurement of trajectory in open water model tests Piotr Bzura Editor for review matters 49 Leszek Morawski, Nguyen Cong Vinh, Janusz Pomirski, Andrzej Rak e-mail : [email protected] The ship control system for trajectory tracking experiments Tadeusz Borzęcki Editor for international relations with physical model of tanker e-mail : [email protected] 54 Wojciech A. Misiąg Classification of Elemental Manoeuvres Observed during Miłosz Wierzchowski Computer Design Ship Handling Training Employing Manned Ship Models Domestic price : 60 Zbigniew Burciu single issue : 20 zł The disturbances of the life raft leeway induced by the fluctuations of wind direction in the life raft coordinate system Prices for abroad : 64 Antoni Bednarek, Robert Jóźwiak single issue : Wind effect simulation system in model tests of ship manoeuvrability - in Europe EURO 15 68 Miroslaw Gerigk - overseas US$ 20 Concept of implementation of open water model tests for assessment ISSN 1233-2585 of safety of ships in damaged condition 73 Antoni Bednarek, Radosław Głodowski, Andrzej Ołtarzewski Open water manoeuvring model tests at the Joniny Test Station, Ship Hydromechanics Division, CTO S.A. 77 Maciej Zawiślak Shape coefficient in the inland vessel resistance prediction 83 Jan Bielański POLISH The analysis of hydrodynamic forces and shape of towrope for an underwater vehicle MARITIME 95 Wojciech Górski, Maciej Reichel Free sailing model tests of evasive action manoeuvre RESEARCH of a river cargo motor barge in shallow waters 98 Leszek Smolarek in internet The wave influence on wind pressure fluctuation of drifting rescue units www.bg.pg.gda.pl/pmr.html 102 Miłosz Frąckowiak People, research work, publications and symposia Editorial POLISH MARITIME RESEARCH is a scientific journal of worldwide circulation. The journal appears as a quarterly four times a year. The first issue of it was published in September 1994. Its main aim is to present original, innovative scientific ideas and Research & Development achievements in the field of : Engineering, Computing & Technology, Mechanical Engineering, which could find applications in the broad domain of maritime economy. Hence there are published papers which concern methods of the designing, manufacturing and operating processes of such technical objects and devices as : ships, port equipment, ocean engineering units, underwater vehicles and equipment as well as harbour facilities, with accounting for marine environment protection. The Editors of POLISH MARITIME RESEARCH make also efforts to present problems dealing with education of engineers and scientific and teaching personnel. As a rule, the basic papers are supplemented by information on conferences , important scientific events as well as cooperation in carrying out interna- tional scientific research projects. Scientific Board Chairman : Prof. JERZY GIRTLER - Gdańsk University of Technology, Poland Vice-chairman : Prof. ANTONI JANKOWSKI - Institute of Aeronautics, Poland Vice-chairman : Prof. MIROSŁAW L. WYSZYŃSKI - University of Birmingham, United Kingdom Dr POUL ANDERSEN Prof. STANISŁAW GUCMA Prof. YASUHIKO OHTA Technical University Maritime University of Szczecin Nagoya Institute of Technology of Denmark Poland Japan Denmark Dr MEHMET ATLAR Prof. ANTONI ISKRA Prof. ANTONI K. OPPENHEIM University of Newcastle Poznań University University of California United Kingdom of Technology Berkeley, CA Poland USA Prof. GÖRAN BARK Prof. JAN KICIŃSKI Prof. KRZYSZTOF ROSOCHOWICZ Chalmers University Institute of Fluid-Flow Machinery Gdańsk University of Technology of PASci of Technology Sweden Poland Poland Prof. SERGEY BARSUKOV Prof. ZYGMUNT KITOWSKI Dr YOSHIO SATO Army Institute of Odessa Naval University National Traffic Safety Ukraine Poland and Environment Laboratory Japan Prof. MUSTAFA BAYHAN Prof. JAN KULCZYK Prof. KLAUS SCHIER Süleyman Demirel University Wrocław University of Technology University of Applied Sciences Turkey Poland Germany Prof. MAREK DZIDA Prof. NICOS LADOMMATOS Prof. FREDERICK STERN Gdańsk University University College London University of Iowa, of Technology United Kingdom IA, USA Poland Prof. ODD M. FALTINSEN Prof. JÓZEF LISOWSKI Prof. JÓZEF SZALA Norwegian University Gdynia Maritime University Bydgoszcz University of Science and Technology Poland of Technology and Agriculture Norway Poland Prof. PATRICK V. FARRELL Prof. JERZY MATUSIAK Prof. TADEUSZ SZELANGIEWICZ University of Wisconsin Helsinki University Technical University Madison, WI of Technology of Szczecin USA Finland Poland Prof. WOLFGANG FRICKE Prof. EUGEN NEGRUS Prof. WITALIJ SZCZAGIN Technical University University of Bucharest State Technical University Hamburg-Harburg Romania of Kaliningrad Germany Russia Prof. BORIS TIKHOMIROV Prof. DRACOS VASSALOS State Marine University University of Glasgow of St. Petersburg and Strathclyde Russia United Kingdom Model tests of fast units on the open waters of Jeziorak Lake Edmund Brzoska, Mirosław Grygorowicz, Mieczysław Krężelewski, Andrzej Rogalski, Gdansk University of Technology Abstract Paper presents model tests of fast units carried out in the years 1956-2000 in the Experimental Centre of the Gdansk University of Technology Shipbuilding Institute on Jeziorak Lake. The experimental tests included single- and twin-hull hydrofoils, amphibian hovercraft, side-wall hovercraft and also speedboats and SWATH type catamarans. The aim of those tests was to acquire data for developing the design and safety criteria as well as computer programs for predicting the hydrodynamic properties of fast units. The gathered experimental material was used in the theoretical studies, publications and conference papers. Keywords: fast units, single hull, twin hull, model tests, speedboats INTRODUCTION The dynamic development of fast nondisplacement craft caused demand for model tests not only in the resistance field but also in the manoeuvrability, stability and hull load prob- lems, on calm water and on waves. Experimental determina- tion of the above mentioned characteristics in towing tanks is possible only to a limited extent. Main limitation is the very high financial expenditure necessary for the construction of large towing tanks. Therefore, a conception was put forward to carry out model tests in open waters - lakes, rivers, canals Fig. 1. Model of the K-1 hydrofoil during tests on Jeziorak Lake. etc. in spite of a significant drawback, i.e. dependence on the atmospheric conditions limiting the test season, in this climatic zone, to 6-7 months. An important advantage of the concep- The K-2 hydrofoil tion is a possibility of carrying out the tests on big manned self-propelled models. The Experimental Station of the Chair Model of the K-2 hydrofoil, length L = 6.0 m, built in 1957, of the Theory of Ships developed into a unique Experimental in the first version equipped with wooden foils of laminar Centre of the Gdansk University of Technology Shipbuilding profiles and capability of changing their lead angle and span, Institute, located at Ilawa on Jeziorak Lake, where test pro- was used for testing the start characteristics in different loading grammes were performed of the models of displacement ships, states, as well as the transverse and longitudinal stability in calm hydrofoils, skimming boats, hovercraft and also the SWATH water and on waves. In 1960 the foil system was changed in the and Wave-Piercing catamarans. At present the centre is used model. Renamed to K2-M, the model had very good starting, also for teaching purposes, as a base for international student stability and manoeuvrability characteristics in calm water, on scientific exercises. waves and in a canal. In 1961 a divided automatically controlled Hook system bow foil was installed on the K2-M model. In this Model tests of hydrofoils way the K2-H model was created for tests in calm water and on waves. After dismantling the foils, hull of that model was The K-1 hydrofoil used for building the SP-0 BADACZ I measurement-towing station for testing small hydrofoil and hovercraft
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