Preliminary communication

https://doi.org/10.17818/NM/2022/3.4

Simulating the Torsional Vibration Signal of Two-Stroke Marine Diesel Engine with Normal Firing and Mis-Firing

Van Si Hoang orcid.org/0000-0002-6226-1279 ; Ho Chi Minh City University of Transport
Van Vang Le ; Ho Chi Minh City University of Transport

Abstract

The article presented the modelling of torsional vibration signal of marine diesel engine, MAN B&W 6S46MC-C7, installed in general cargo ships 34000 DWT, built at Pha Rung Shipyard (Vietnam). The authors imitated the torsional vibration signal, based on the established signal modelling when diesel engine works normal firing and mis-firing state, according to the Class Regulation Rules for new building steel hull ships when calculating and measuring the torsional vibration of marine diesel propulsion shaft-line system. The authors used Matlab software to imitate the torsional vibration signals in the real time domain and then converted them into the frequency order by Fast Fourier Transform (FFT).

Keywords

Marine diesel engine; torsional vibration signal; mis-firing in cylinder; FFT

Hrčak ID:

284675

URI

https://hrcak.srce.hr/284675

Publication date:

16.9.2022.

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