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Wyszukujesz frazę "free sailing" wg kryterium: Wszystkie pola


Wyświetlanie 1-2 z 2
Tytuł:
Free sailing model tests of evasive action manoeuvre of a river cargo motor barge in shallow waters
Autorzy:
Górski, W.
Reichel, M.
Powiązania:
https://bibliotekanauki.pl/articles/259673.pdf
Data publikacji:
2007
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
shallow water
free sailing
inland water motor barge
Opis:
The paper presents shallow water experiments of a self-propelled, free running model of an inland water motor barge. In accordance with the Rhine Manoeuvring Standards Rheinschiffsuntersuchungsordnung (RheinSchUO 1995, issue 2005), evasive action manoeuvring tests were realised. Model obtained from DST Duisburg Germany was a 5.00 meters long motor barge built to a scale of 1:20 and propelled with an 80 mm diameter ducted propeller. Tests were carried out in the auxiliary towing tank of the Ship Hydromechanics Division in Gdańsk. The experiment consisted of efficiency analysis of different rudder blades with variable rudder profiles and rudder blade areas. In total the evasive action test was repeated for three different rudder profiles, with three different chord lengths and at three different water depths each. For each particular case the total standard manoeuvre time and side rudder force was measured. These results were compared with the RheinSchUO standards. The model tests programme was realised within the EU CREATING project supported in the 6th Framework Programme.
Źródło:
Polish Maritime Research; 2007, S 2; 95-97
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Open water manoeuvring model tests at the Joniny Test Station, Ship Hydromechanics Division, CTO S.A.
Autorzy:
Bednarek, A.
Głodowski, R.
Ołtarzewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/258688.pdf
Data publikacji:
2007
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
free sailing model tests
manoeuvring abilities of the ship
manoeuvring tests
model tests
Opis:
Although the role of computational methods (CFD) in prediction of the hydromechanic qualities of ships grows rapidly, the role of the physical experiment is still very important (if not principal). Concerning the experimental investigations focused on manoeuvring abilities of ships, there are two main approaches to be applied: open water model tests and captive model tests (Planar Motion Mechanism). The paper contains some basic information concerning the first of mentioned methods including the evolution of the measuring techniques, applied equipment and methodology. These changes result not only from technological progress, but also reflect different expectations of our Clients. In the case of mentioned open water manoeuvring model test, its specific character determines a little bit different approach, which combines some strictly scientific objectives, i.e. prediction of the manoeuvring abilities, with commercially attractive and direct demonstration of the results. Thus, in parallel with description of the measuring systems used during the tests (starting from mechanical/optical torograph system to modern laser tachimeter system), evolution of the visualization systems is also presented. In addition, some future trends in the development of the open water tests station in Joniny has been described including experimental work as well as basic/auxiliary equipment.
Źródło:
Polish Maritime Research; 2007, S 2; 73-76
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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