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## Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems

Senjanović, Ivo; Ančić, Ivica; Magazinović, Gojko; Alujević, Neven; Vladimir, Nikola; Cho, Dae Seung
Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems // Ocean engineering, 184 (2019), 107-120 doi:10.1016/j.oceaneng.2019.04.016 (međunarodna recenzija, članak, znanstveni)

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Naslov
Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems

Autori
Senjanović, Ivo ; Ančić, Ivica ; Magazinović, Gojko ; Alujević, Neven ; Vladimir, Nikola ; Cho, Dae Seung

Izvornik
Ocean engineering (0029-8018) 184 (2019); 107-120

Ključne riječi
Ship propulsion, shafting system, torsional vibration, analytical methods, validation against measurements

Sažetak
The propulsion system is one of the main sources of ship vibrations. A typical propulsion system consists of an engine, a shaft line and a propeller. In order to estimate the vibration levels of a ship propulsion system, analytical methods are still relevant in the preliminary ship design stage. In this paper, three analytical procedures for the vibration analysis of a ship shafting system are presented. The shafting system dynamic behaviour is simulated by reducing the problem to two-, three-, and multi- mass models. Propeller and engine damping is taken into account. Differential equations of motion for the two- and the three-mass models are solved analytically. In the case of the multi- mass model, Rayleigh’s quotient and the Galerkin method are used for free and forced vibration analysis, respectively. Since the first natural mode of the shaft line is dominant, the problem can be reduced to a single d.o.f. in the modal space and solved analytically. For all three models, relatively simple formulae for the engine torque transfer factor to the intermediate shaft are derived. The presented procedures are validated by a comparison with measurements. The comparison indicates the high accuracy of the proposed procedures.

Izvorni jezik
Engleski

Znanstvena područja
Brodogradnja, Strojarstvo, Tehnologija prometa i transport

Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,

#### Citiraj ovu publikaciju:

Senjanović, Ivo; Ančić, Ivica; Magazinović, Gojko; Alujević, Neven; Vladimir, Nikola; Cho, Dae Seung
Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems // Ocean engineering, 184 (2019), 107-120 doi:10.1016/j.oceaneng.2019.04.016 (međunarodna recenzija, članak, znanstveni)
Senjanović, I., Ančić, I., Magazinović, G., Alujević, N., Vladimir, N. & Cho, D. (2019) Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems. Ocean engineering, 184, 107-120 doi:10.1016/j.oceaneng.2019.04.016.
@article{article, author = {Senjanovi\'{c}, Ivo and An\v{c}i\'{c}, Ivica and Magazinovi\'{c}, Gojko and Alujevi\'{c}, Neven and Vladimir, Nikola and Cho, Dae Seung}, year = {2019}, pages = {107-120}, DOI = {10.1016/j.oceaneng.2019.04.016}, keywords = {Ship propulsion, shafting system, torsional vibration, analytical methods, validation against measurements}, journal = {Ocean engineering}, doi = {10.1016/j.oceaneng.2019.04.016}, volume = {184}, issn = {0029-8018}, title = {Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems}, keyword = {Ship propulsion, shafting system, torsional vibration, analytical methods, validation against measurements} }
@article{article, author = {Senjanovi\'{c}, Ivo and An\v{c}i\'{c}, Ivica and Magazinovi\'{c}, Gojko and Alujevi\'{c}, Neven and Vladimir, Nikola and Cho, Dae Seung}, year = {2019}, pages = {107-120}, DOI = {10.1016/j.oceaneng.2019.04.016}, keywords = {Ship propulsion, shafting system, torsional vibration, analytical methods, validation against measurements}, journal = {Ocean engineering}, doi = {10.1016/j.oceaneng.2019.04.016}, volume = {184}, issn = {0029-8018}, title = {Validation of analytical methods for the estimation of the torsional vibrations of ship power transmission systems}, keyword = {Ship propulsion, shafting system, torsional vibration, analytical methods, validation against measurements} }

#### Časopis indeksira:

• Current Contents Connect (CCC)
• Web of Science Core Collection (WoSCC)
• Science Citation Index Expanded (SCI-EXP)
• SCI-EXP, SSCI i/ili A&HCI
• Scopus

#### Citati:

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