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Vibrating profile kinematics in the start of flutter

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F13%3A00420746" target="_blank" >RIV/61388998:_____/13:00420746 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Vibrating profile kinematics in the start of flutter

  • Original language description

    The experimental results for the vibrating NACA0015 profile elastically supported in a translation and rotation for a set of increasing Mach numbers of the airflow are presented. The profile was placed in the aerodynamic tunnel of the Institute of Thermomechanics ASCR. The support properties of the profile were modified by three additional masses to control the eigenfrequencies corresponding to transversal vibrations and verified by the identification of the complex eigenvalues (eigenfrequencies, damping) for zero flow velocity in laboratory. The transversal free vibrations as the time functions are graphically depicted for stable vibrations and in the cases of the starting flutter. The start of the flutter was determined from free vibrations of kinematically excited profile. The complex eigenvalues were identified as the functions of Mach number including corresponding limits of the system aeroelastic stability.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BI - Acoustics and oscillation

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA13-10527S" target="_blank" >GA13-10527S: Subsonic flutter analysis of elastically supported airfoils using interferometry and CFD</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Dynamical Systems

  • ISBN

    978-83-7283-589-5

  • ISSN

  • e-ISSN

  • Number of pages

    10

  • Pages from-to

    667-676

  • Publisher name

    Lodž University of Technology

  • Place of publication

    Lodž

  • Event location

    Lodž

  • Event date

    Dec 2, 2013

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article