Journal
EXPERIMENTAL HEAT TRANSFER
Volume -, Issue -, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/08916152.2022.2162165
Keywords
Biochemical Reactors; Catalytic reactors; Corrugated surfaces; Electrochemical reactors; Mass transfer
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This study used electrochemical technique to investigate the effect of surface corrugations on mass and heat transfer in a stirred tank reactor. The results showed that corrugations can significantly increase the volumetric mass transfer coefficient. The findings are important for determining the heat transfer rate from a corrugated wall to a cooling jacket.
The electrochemical technique was used to investigate the effect of surface corrugations on the rate of mass and heat transfer (by analogy) in a stirred tank reactor. Impeller rotational speed, impeller shape, corrugation peak to valley height, and corrugation orientation (horizontal or vertical) were among the variables investigated. Depending on the operating conditions, surface corrugation increased the volumetric mass transfer coefficient by a factor ranging from 1.16 to 3.7. Mass transfer data were correlated with dimensionless correlations of an average deviation of +/- 4.2 and +/- 5.49 for radial and axial flow turbines, respectively. The significance of the dimensionless equations in determining the rate of heat transfer from the corrugated wall to a cooling jacket was emphasized.
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