Engineering Mechanics

International Conference

Proceedings Vol. 15 (2009)


May 11 – 14, 2009, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Kinematic excited vibration of bladed disk
J. Kellner, V. Zeman
pages 629 - 640, full text

The work introduces the methodology of modelling a steam turbine bladed disk vibration. A decomposition method of complex system into components – blades, blade packets connected by shroud and disk, in which the blades are fixed – is used. After the investigation of blade rim connected with the rigid disk and bladed disk modal properties, the forced vibration due to aerodynamic excitation is computed as well as stress analysis. The bladed disk model is completed by kinematic excitation, which is caused by rotor forced vibration.

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All papers were reviewed by members of the scientific committee.

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