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Modal characteristic optimization of the blade of the test rig

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46709002%3A_____%2F23%3AN0000029" target="_blank" >RIV/46709002:_____/23:N0000029 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.engmech.cz/improc/2023/163.pdf" target="_blank" >https://www.engmech.cz/improc/2023/163.pdf</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Modal characteristic optimization of the blade of the test rig

  • Original language description

    Article is focused on modal characteristic of the blade which is important component of the experimental test rig for blade flutter measurement. Modal characteristics are obtained using experimental (EMA) and simulation (SMA) modal analyses. The MAC criterion is used for comparison of eigenmodes of the individual material variants. The main aim is to increase the first eigenfrequency (corresponding to the torsional eigenmode) to extend the range of excitation frequencies for blade forced oscillation. Therefore, the current version of the steel blade is replaced by the versions made of laminate which offers more possibilities for increasing the torsional dynamic stiffness, even with possible optimization of its core structure.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20500 - Materials engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Engineering mechanics 2023

  • ISBN

    978-80-87012-84-0

  • ISSN

    1805-8248

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    163-166

  • Publisher name

    Institute of Thermomechanics of the Czech Academy of Sciences

  • Place of publication

    Praha

  • Event location

    Milovy

  • Event date

    May 9, 2023

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article