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Spin test : the ability of spin test method usage in thrusters' fault detection and isolation

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In the article below, we presented the possibility of „spin test“ method usage for medium rotational speed devices such as thrusters', which are used to enhance the maneuverability of maritime vessels. The reason for the analysis is the problem of eliminating the unwanted vibrations of thruster's propeller with commonly used methods. It is an innovative solution for accurate verification of the technical condition of screw propellers, which are the most common devices used as the propelling element of thrusters. In the introduction the possibility of thruster's diagnosis using „spin test“ has been described. Commonly used thrusters' and their working conditions were presented. In order to properly assess the technical condition of rotational speed devices, such as thrusters' propellers after their production or renovation it is vital to provide an additional diagnosis in the environment similar to working conditions. Secondly, the problem of spinning parts' vibration was described. „Spin test“ method presented here gives the ability of detailed analysis of spinning parts' vibration. The idea of a compact and easy to assemble station enabling to conduct such research has been shown. The station not only allows to measure the eigenfrequency of vanes' in normal mode and compare it with the previously calculated ones, but also enables material's endurance testing at speeds higher than nominal speed. Finally, we presented the range of using this method in different fields along with the benefits of ‘Spin Tests’.
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autor
  • Gdynia Maritime University, Faculty of Marine Engineering Morska Street 81-87, 81-225 Gdynia, Poland tel.: +48 58 6901480, fax: +48 58 6901399, lkyz@skrzynka.pl
autor
  • Gdynia Maritime University, Faculty of Marine Engineering Morska Street 81-87, 81-225 Gdynia, Poland tel.: +48 58 6901480, fax: +48 58 6901399, dawid.kozyra1992@gmail.com
autor
  • Gdynia Maritime University, Faculty of Marine Engineering Morska Street 81-87, 81-225 Gdynia, Poland tel.: +48 58 6901480, fax: +48 58 6901399, tarsar9@gmail.com
Bibliografia
  • [1] Dymarski, Cz., Wieliczko, L., Nalewajski, A., Analiza techniczna i statystyczna rozwiązań konstrukcyjnych układów sterowania oraz określenie założeń projektowych sterów strumieniowych, 42-44, pp. 3-17, Gdańsk 2003?.
  • [2] Niezgodziński, M., Wytrzymałość materiałów, PWN, Warszawa 2010.
  • [3] Technical documentation, bow thrusters of Rolls-Royce company.
  • [4] Więckiewicz, W., Efektywność Pracy Sterów Strumieniowych na Darze Modzieży i Horyzoncie II, Zeszyt Naukowy Akademii Morskiej w Gdyni Nr 69, pp. 123-133, Gdynia 2011.
  • [5] Vavra, M. H., Hammer, J. E., Bell, E. L., Spin Test of Turbine, NASA Contractor Report, Monterey, California 1972.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-7ac90da0-9c4f-4f48-97b9-163795595f87
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