The analysis of the influence of a torsional vibration damper on transversal displacement of a crankshaft

• Autorzy: Chiliński B. , Dziurdź J. , Zawisza M.

Identyfikatory

DOI

10.5604/12314005.1217186

• Języki publikacji: EN

Abstrakty

EN

The article presents a consideration of the influence of a damper of torsional vibrations (TVD) on transverse dynamics of the crankshaft. Dampers of this type work based on the dynamic eliminator of vibrations. The systems of this type in modern combustion engines are more often used to reduce torsional vibrations. It is strictly connected with the increase of fatigue life of the crankshaft in case when its amplitude of vibrations has a crucial meaning. Computation models used to choose a damper assume that transverse and torsional vibrations occurring in a crank system are not coupled. Modern trends in machine design make the new devices lighter and less rigid. Therefore, the couplings between small vibrations may be more important. Therefore, the effects observed in angular vibrations can be transmitted to transverse vibrations. In this context, the impact of dampers TVD on transverse dynamics is particularly interesting. In the introduction, the article discusses the basic types of torsional vibration dampers and the method of selection of this type of systems. The next part of the article presents the model of a combustion engine with a dynamic eliminator of vibrations, which includes bending-torsional vibrations occurring in the system. For this purpose, the linear relation of the vector of generalized co-ordinates and generalized forces in the system was assumed. The next part shows numerical simulations, which were carried out in the paper. The paper presents obtained results with their further analysis in frequency domain. The whole paper is summarized with synthetic conclusions on the simulations, the impact of applied eliminator on the dynamics of the entire crank system, in particular transverse vibrations. In addition, there was indicated a possibility of using presented results in research and diagnostics used in automotive industry of torsional vibration dampers.

Słowa kluczowe

EN

crankshaft system; torsional vibrations damper system of differential equation; numerical simulations

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2016
• Tom: Vol. 23, No. 4
• Strony: 33--39
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Chiliński B.

• Warsaw University of Technology Department of Fundamentals of Machine Design and Operation Narbutta Street 84, 02-524 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Dziurdź J.

• Warsaw University of Technology Department of Fundamentals of Machine Design and Operation Narbutta Street 84, 02-524 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Zawisza M.

• Warsaw University of Technology Department of Fundamentals of Machine Design and Operation Narbutta Street 84, 02-524 Warsaw, Poland tel.: [phone], fax: [phone]

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.