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Research on dynamics of a supercritical propulsion shaft equipped with a dry friction damper

Zbigniew Dżygadło (Zbigniew Dżygadlo is at Warsaw Institute of Aviation, Warsaw, Poland)
Witold Perkowski (Witold Perkowski is at Warsaw Institute of Aviation, Warsaw, Poland)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 October 2002

663

Abstract

The supercritical propulsion shaft equipped with a dry friction damper has been designed for a polish ultra light helicopter named IS‐2. Models of the shaft and the damper and some results of analysis of the shaft flexural vibrations are presented.As it turned out the shaft vibrations strongly depend on parameters of the damper (especially on the damper gap) and can be regular or chaotic. There are two main cases: the damper with a small gap and the damper with a big gap, when compared to shaft eccentricity.

Keywords

Citation

Dżygadło, Z. and Perkowski, W. (2002), "Research on dynamics of a supercritical propulsion shaft equipped with a dry friction damper", Aircraft Engineering and Aerospace Technology, Vol. 74 No. 5, pp. 447-454. https://doi.org/10.1108/00022660210442290

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MCB UP Ltd

Copyright © 2002, MCB UP Limited

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