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Title: Heat transfer in mixing vessels at low Reynolds numbers : an experimental study of temperature profiles heat transfer rates and power requirements for mechanically agitated vessels operating at low Reynolds numbers
Author: Shamlou, Parviz Ayazi
ISNI:       0000 0001 3433 8075
Awarding Body: University of Bradford
Current Institution: University of Bradford
Date of Award: 1980
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The present study investigates experimentally the laminar mixing and heat transfer of a range of helical ribbon and anchor impellers for both Newtonian and inelastic non-Newtonian fluids. The work also correlates the experimental data empirically in the form of dimensionless groups. In order to estimate the relative importance and the effect of all the geometrical parameters on the mixing power and heat transfer, data from the published literature sources will be utilized and combined with the results from this study. Thus, reliable empirical correlations will be obtained which are applicable over the widest range of operating conditions. The study also investigates the ablity of the various impellers to level out temerature distributions. The measurement of these temperature gradients and the impeller power requirements gives a measure of the mixing efficiency of the impeller used.
Supervisor: Edwards, M. F. Sponsor: Science Research Council
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Newtonian fluids ; Non-Newtonian fluids ; Heat transfer ; Helical ribbon impellers ; Anchor impellers ; Temperature gradients ; Power requirements ; Mixing efficiency