A Method to Assess Transverse Vibration Energy of Ship Propeller Shaft for Diagnostic Purposes

Open access


The article discusses a key problem of ship propulsion system vibration diagnostics, which concerns assessing this part of mechanical energy transmitted from the main engine to the ship propeller which is dissipated due to propeller shaft vibration. A simplified calculation model is proposed which allows the total energy of the generated torsional vibration to be assessed from the shaft deflection amplitude measured at the mind-span point between the supports. To verify the developed model, pilot tests were performed on the laboratory rotational mechanical system test rig. In those tests, cyclic bending moment was applied to a unified (cylindrical) material sample, which modelled, at an appropriate scale, structural and functional properties of a real propeller shaft.

If the inline PDF is not rendering correctly, you can download the PDF file here.

  • 1. Adams M.L.: Rotating Machinery Vibration: From Analysis to Troubleshooting. Marcel Dekker New York 2001.

  • 2. Bently D.E. Hatch C.T.: Fundamentals of Rotating Machinery Diagnostics. Bently Pressurized Bearing Press Minden 2002.

  • 3. Dragantchev H. (2000). Control and diagnostics of ship shafting. Proceedings of the IMAM 2000 Ischia 2-6 April 2000 Session L p. 115-122.

  • 4. Korczewski Z.: The conception of energetic investigations of the multisymptom fatigue of the simple mechanical unit. Journal of Polish CIMAC - Vol. 7 No.1/2012 p. 99-108.

  • 5. Korczewski Z.: Operating diagnostics of marine internal combustion engines of piston and turbine type: Selected issues. (in Polish). Wydawnictwo Politechniki Gdanskiej Gdansk 2017.

  • 6. Szala J. Boroński D.: Material fatigue state assessment in diagnostics of machinery and equipment (in Polish). Wydawnictwo Instytutu Technologii Eksploatacji - PIB Bydgoszcz 2008.

Journal information
Impact Factor

IMPACT FACTOR 2018: 1,214
5-year IMPACT FACTOR: 1,086

CiteScore 2018: 1.48

SCImago Journal Rank (SJR) 2018: 0.391
Source Normalized Impact per Paper (SNIP) 2018: 1.141

All Time Past Year Past 30 Days
Abstract Views 0 0 0
Full Text Views 178 80 8
PDF Downloads 137 83 1