MATHEMATICAL REPRESENTATION OF SPATIALLY NON-UNIFORM, COUNTER-CURRENT FLOW OF GASES AND LIQUIDS IN PACKED BEDS - OF RELEVANCE TO FLOW PHENOMENA IN THE BOSH OF IRON BLAST FURNACES.

Abstract

The formulation relies on the statement of the vectorial Ergun equation for the gas flow and on the use of a modified Darcy equation for the liquid stream. These two sets of equations are mutually coupled. The computed results show that the gas stream, introduced through a tuyere, may appreciably modify both the flow pattern of the liquid and the liquid hold-up.