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Stability evaluation of the marine propulsion unit's mechanical system by means of vibration measurements and their analysis
Abstrakt
In this paper selected issues concerning vibration diagnosis of the mechanical system within marine propulsion units have been given. The analysis of vibration parameters was carried out on the basis of experimental examinations of a real object in which an exceedance of the allowable vibration's level had been observed. In the beginning, the vibration apparatus being on laboratory equipment of the Department of Ship Power Plants of Gdansk University of Technology in Poland has been characterized. Diagnostic considerations have been mainly focused on a measurement technology of the shafting axial and transverse vibrations within the examined three-shaft marine drivetrain of a ship powered by diesel engines (a type most commonly used in naval propulsion systems). It means - on a measurement potential of the applied portable vibration computerized data logger as well as on the method of vibrations spectral-correlation analysis. Second part of the paper concerns experimental testings, carried out on the propulsion unit while the ship was operating. They enabled the selection of the most probable causes for the loss of mechanical system stability. Workshop measurements of the torque transmission elements as well as visual inspection of the propellers while the ship was put on a dock confirmed a diagnosis relevance.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- ''MT 2012 Congres''. MARITIME TRANSPORT V, Technological, Innovation and Research strony 770 - 781
- Język:
- angielski
- Rok wydania:
- 2012
- Opis bibliograficzny:
- Korczewski Z., Rudnicki J.: Stability evaluation of the marine propulsion unit's mechanical system by means of vibration measurements and their analysis// ''MT 2012 Congres''. MARITIME TRANSPORT V, Technological, Innovation and Research/ ed. Francesc Xavier Martinez de Oses, Marcel la Castells i Sanabra : , 2012, s.770-781
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 129 razy