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Preliminary interferometry measurements of flow field around a fluttering NACA0015 profile

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    0343363 - ÚT 2011 RIV CZ eng, cze C - Conference Paper (international conference)
    Vlček, Václav - Kozánek, Jan
    Preliminary interferometry measurements of flow field around a fluttering NACA0015 profile.
    Engineering Mechanics 2010. Prague: Institute of Thermomechanics AS CR, v. v. i., 2010 - (Zolotarev, I.), s. 167-168. ISBN 978-80-87012-26-0.
    [Engineering Mechanics 2010. Svratka (CZ), 10.05.2010-13.05.2010]
    R&D Projects: GA ČR GA101/09/1522
    Institutional research plan: CEZ:AV0Z20760514
    Keywords : interferometry * flow field * measurements
    Subject RIV: BI - Acoustics
    www.engmech.cz

    The paper presents experimental results of the optical measurements of flow field around a fluttering NACA0015 profile elastically supported with two degrees of freedom in subsonic wind flow. The high-speed camera was used for the interferometry visualization of the airflow in different phases of the profile motion. Special care was devoted to the plotting of the fringes near the surface of the profile, which was blurry due to the fast vibration. Examples of the interferograms, pressure and velocity development around the surface of the vibrating body and the phase shift between rotation and translation cycles are presented.
    Permanent Link: http://hdl.handle.net/11104/0185862

     
     
Number of the records: 1  

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