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Abstrakty
The aim of this article is to analyze free vibrations of the tower shaft that drives the accessory gearbox used in a turbofan aircraft engine. The engine is used to power a midsize business jet. The problem was solved in two ways: by a frequency response measurement test and by employing the dynamic FEA (Finite Element Analysis) that can predict the modal shapes quite accurately (Ramil et al., 2004 and Li et al., 2004). The analysis conducted on an accurate model shows that results were very close to those achieved during the frequency response measurement test. However, working with such a complex model is time-consuming, impossible for preliminary analysis and, as demonstrated in this article, unnecessary. The purpose of this study was to work out a method that would minimize the total time necessary to conduct the analysis while maintaining the good level of accuracy.
Rocznik
Tom
Strony
415--426
Opis fizyczny
Bibliogr. 4 poz., rys., tab., wykr.
Twórcy
autor
autor
- FTE "PAP Rzeszow" S.A. ul. Hetmanska 120, 35-078 Rzeszow, POLAND, anna.michalska@wskrz.com
Bibliografia
- Ferraris G., Maisonneuvet V. and Lalanne M. (1996): Prediction of the dynamic behaviour of non-symmetric coaxial co-opcounter-rotating rotors. - Journal of Sound and Vibration, vol.195, pp.649-666.
- Li R., Yang Ch., Lin T., Chen X. and Wang L. (2004): Finite element simulation of the dynamical behavior of a speed-increase gearbox. - Journal of Materials Processing Technology, vol.150, pp.170-174.
- Lipka J. (1967): Strength of running mechanical component. - WNT Warszawa.
- Ramil P. Tanna and Teik C. Lim (2004): Modal frequency deviations in estimating ring gear modes using smooth ring solutions. - Journal of Sound and Vibration, vol.269, No.3, pp.1099-1110.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ2-0036-0008