Characterization of helical impellers by circulation times

  title={Characterization of helical impellers by circulation times},
  author={Perrine Gu{\'e}rin and Pierre J. Carreau and W. I. Patterson and Jean Paris},
  • Perrine Guérin, Pierre J. Carreau, +1 author Jean Paris
  • Published 1984
  • Chemistry
  • Measurements of the circulation time during batch mixing of Newtonian and non-Newtonian fluids were used to analyse and compare the performance of six different helical-ribbon impellers and a screw impeller inside a draft coil. The distribution of circulation times obtained from two hundred repeated measurements is shown to depend markedly on the impeller geometry. Mixing time data with the helical-ribbon impellers are correlated with the mean value and the reduced standard deviation of the… CONTINUE READING

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