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Study of the turbulent flow structure around a standard Rushton impeller

  1. 1.
    0438371 - ÚH 2015 RIV PL eng J - Článek v odborném periodiku
    Kysela, Bohuš - Konfršt, Jiří - Fořt, I. - Kotek, M. - Chára, Zdeněk
    Study of the turbulent flow structure around a standard Rushton impeller.
    Inzynieria Chemiczna i Procesowa. Roč. 35, č. 1 (2014), s. 137-147. ISSN 0208-6425. E-ISSN 2300-1925
    Grant CEP: GA ČR GAP101/12/2274
    Institucionální podpora: RVO:67985874
    Klíčová slova: Rushton turbine * mixing * ensemble-average mean velocity * fluctuation velocity LDA/LDV * PIV * velocity profiles
    Kód oboru RIV: BK - Mechanika tekutin
    Impakt faktor: 0.653, rok: 2014

    The velocity field around the standard Rushton turbine was investigated by the Laser Doppler Anemometry (LDA) and Particle Image Velocimetry (PIV) measurements. The mean ensembleaveraged velocity profiles and root mean square values of fluctuations were evaluated at two different regions. The first one was in the discharge stream in the radial direction from the impeller where the radial flow is dominant and it is commonly modelled as a swirling turbulent jet. The validity range of the turbulent jet model was studied. The second evaluated region is under the impeller where flow seems to be at first sight rather rigorous but obtained results show nonnegligible values of fluctuation velocity.
    Trvalý link: http://hdl.handle.net/11104/0241796

     
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