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Model of turbine blades bundles
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SYSNO ASEP 0392226 Document Type A - Abstract R&D Document Type The record was not marked in the RIV R&D Document Type Není vybrán druh dokumentu Title Model of turbine blades bundles Author(s) Půst, Ladislav (UT-L) RID
Pešek, Luděk (UT-L) RIDSource Title ENGINEERING MECHANICS 2013. - Praha : Insitute of Thermomechanics ASCR, v. v. i., 2013 / Zolotarev I. - ISSN 1805-8248 - ISBN 978-80-87012-46-8
S. 125-126Number of pages 2 s. Publication form Print - P Action Engineering Mechanics 2013 /19./ Event date 13.05.2013-16.05.2013 VEvent location Svratka Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords free and forced vibrations ; eigenmodes ; bundle of blades Subject RIV BI - Acoustics R&D Projects GA101/09/1166 GA ČR - Czech Science Foundation (CSF) Institutional support UT-L - RVO:61388998 Annotation A detail analysis of dynamical properties of five-blades-bundle mathematical model was carried out with the aim to investigate how the damping elements made of special rubber inserted into slots between blades heads influence the response curves at different distribution of exciting harmonic forces. Viscous-elastic linear Voigt–Kelvin model was used for modeling the rheological properties of damping elements. Constant values of stiffness and damping parameters were supposed at analysis, but the frequency dependent parameters are mentioned as well. The effect of complicated form of higher modes of vibration on blades bundle amplitude resonance level is shown. The importance of orthogonality of excitation forces distribution to the other eigenmodes of blades bundle is discovered at isolating selected resonance. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2014
Number of the records: 1