Vibration equations of the coupled torsional, longitudinal, and lateral vibrations of the propeller shaft at the ship stern

• Autorzy: Firouzi Jabbar , Ghassemi Hassan , Vakilabadi Karim Akbari

Identyfikatory

DOI

10.17402/407

• Języki publikacji: EN

Abstrakty

EN

A propeller shaft generally experiences three linear forces and three moments, the most important of which are thrust, torque, and lateral forces (horizontal and vertical). Thus, we consider 4DOFs (degrees of freedom) of propeller shaft vibrations. This paper is presented to obtain the vibration equations of the various coupled vibrations of the propeller shaft at the stern of a ship (including coupled torsional-axial, torsional-lateral, axial-lateral, torsional-axial, and lateral vibrations). We focused on the added hydrodynamic forces (added mass and added damping forces) due to the location of the propeller behind the ship. In this regard, the 4DOFs of the coupled vibration (torsional-longitudinal and lateral vibrations in the horizontal and vertical directions) equations of shaft and propeller systems located behind a ship were extracted with and without added mass and damping forces. Also, the effect of mass eccentricity was considered on vibrations occurring at the rear of the ship.

Słowa kluczowe

EN

vibration equations; coupled vibration; shaft and propeller; added mass; ship stern; hydrodynamic coefficients

• Wydawca: Wydawnictwo Naukowe Akademii Morskiej w Szczecinie
• Czasopismo: Zeszyty Naukowe Akademii Morskiej w Szczecinie
• Rocznik: 2020
• Tom: nr 61 (133)
• Strony: 121--129
• Opis fizyczny: Bibliogr. 34 poz., rys.

Twórcy

autor

Firouzi Jabbar

• mirkabir University of Technology, Department of Maritime Engineering, Tehran, Iran

autor

Ghassemi Hassan

• mirkabir University of Technology, Department of Maritime Engineering, Tehran, Iran

autor

Vakilabadi Karim Akbari

• Imam Khomeini Marine University, Department of Mechanical Engineering, Nowshahr, Iran

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).