Abstract
A mathematical model of heat and momentum transfer within the boundary layer of a liquid flowing in the vicinity of the wall of a packed-bed apparatus was formulated and verified experimentally. The model was employed for the prediction of the thickness of the boundary layer, the temperature and the liquid velocity distributions, and the value of the effective viscosity in the vicinity of the wall. The analysis of the results obtained allows one to explain the reason for the difference between heat transfer rates in the boundary layer at the wall of a packed-bed apparatus containing a gas-solid or a liquid-solid system.
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