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Study of fluid flow in baffled vessels stirred by a Rushton standard impeller

Author

Listed:
  • Chara, Zdenek
  • Kysela, Bohus
  • Konfrst, Jiri
  • Fort, Ivan

Abstract

The paper deals with an investigation of velocity field in a tank stirred by a standard Rushton impeller located in the middle of the tank height. Time-resolved PIV method was used to measure the angle-resolved velocity field near the impeller blades in horizontal and vertical planes as well. Based on a simplified criterion λ2 < 0 the location, size and strength of trailing vortices behind the blades were determined. The measurements were carried out in two tanks of diameters T = 0.3 and 0.4 m and at mixing Reynolds numbers in a range 3.3–4.9 × 104. Simultaneously a detached eddy simulation (DES) was performed for the tank diameter T = 0.3 m and rotation speed 200 rpm (ReM = 3.3 × 104). The simulation results are compared with the experimental data.

Suggested Citation

  • Chara, Zdenek & Kysela, Bohus & Konfrst, Jiri & Fort, Ivan, 2016. "Study of fluid flow in baffled vessels stirred by a Rushton standard impeller," Applied Mathematics and Computation, Elsevier, vol. 272(P3), pages 614-628.
    • Handle: RePEc:eee:apmaco:v:272:y:2016:i:p3:p:614-628
    DOI: 10.1016/j.amc.2015.06.044
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    Cited by:

    1. Idris A. Kayode & Emmanuel O. B. Ogedengbe & Marc A. Rosen, 2016. "Design of Stirrer Impeller with Variable Operational Speed for a Food Waste Homogenizer," Sustainability, MDPI, vol. 8(5), pages 1-23, May.

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