JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
HEAT TRANSFER TO NON-NEWTONIAN FLUIDS IN AN AGITATED VESSEL
NOBUO MITSUISHIYOSHIO MIYAIRI
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1974 Volume 6 Issue 5 Pages 415-420

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Abstract

This study deals with non-Newtonian heat transfer with several types of agitators: (1) an agitator with a 2-bladed paddle, (2) an agitator with a helical screw in a draft tube, (3) an agitator with a helical ribbon. The non-Newtonian fluids tested consisted of various concentrations of aqueous solutions of CMC, HEG, PO and SPA. The threeconstant Ellis model was used to characterize the non-Newtonian fluids. By using the non-Newtonian viscosities proposed in this paper, the correlations for non-Newtonian heat transfer in the three types of agitators agree very well with those for Newtonian heat transfer. These experimental results may be valuable in industrial design since only a limited number of such studies are available.

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© The Society of Chemical Engineers, Japan
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