HEAT TRANSFER IN MULTIPHASE CONTACTORS |
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| Authors: | J B Joshi M M Sharma Y T Shah C P P Singh Moonis Ally G E Klinzing |
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| Affiliation: |
a Department of Chemical Technology, University of Bombay, Bombay, INDIA
b Chemical and Petroleum Engineering Department, University of Pittsburgh, Pittsburgh, PA |
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| Abstract: | A procedure for the prediction of wall-bed heat transfer coefficient for bubble columns and gas-solid fluidized beds is developed on the basis of hydrodynamic behavior of these contactors. A comparison between the predicted and experimental values of heat transfer coefficient over a wide range of design and operating variables is presented. An attempt is made to analyze the occurrence of maxima in heat transfer coefficient with respect to gas velocity in the case of fluidized beds. A procedure for the calculation of the optimum superficial gas velocity is outlined. |
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