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Effect of Agitator’s Types on the Hydrodynamic Flow in an Agitated Tank

Authors
  • Foukrach, Mohammed1
  • Bouzit, Mohamed1
  • Ameur, Houari2
  • Kamla, Youcef3
  • 1 University of Sciences and Technology of Oran Mohamed Boudhief (USTO-MB), 1505 El M’naouar, Oran, Algeria , Oran (Algeria)
  • 2 University Center of Naâma (Ctr Univ Naâma), Naâma, 45000, Algeria , Naâma (Algeria)
  • 3 University Hassiba Ben Bouali of Chlef (UHBC) Ouled Fares, Chlef, Algeria , Chlef (Algeria)
Type
Published Article
Journal
Chinese Journal of Mechanical Engineering
Publisher
Springer Singapore
Publication Date
May 01, 2020
Volume
33
Issue
1
Identifiers
DOI: 10.1186/s10033-020-00454-2
Source
Springer Nature
Keywords
License
Green

Abstract

The aim of this paper is to study the effect of agitator’s types on the turbulent flows in stirred tanks without and with baffles. The hydrodynamics behavior induced by four different agitator’s types: a Rushton turbine (RT), a circular blade turbine (CBT), a diverging triangular blade turbine (DTBT) and converging triangular blade turbine (CTBT) are numerically predicted by solving the Navier-Stokes equations and RNG κ–ε turbulent model. The simulations are carried out using the Multi Reference Frame (MRF) approach. The numerical results showed good agreement with experiment. We find that the agitator CTBT gives an important profit on the power consumption per report/ratio the others and DTBT give a good reduction of the vortex size of the impeller angles.

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