ABSTRACT. An experimental study of two‐dimensional viscous flow through a vertical slot with one highly resistant porous wall was made. The fluid loss area of the porous wall was divided into five sections. The fluid loss rate for the various subareas was measured as a function of the bulk flow rate through the slot and the viscosity of the fluid. Static flow tests through the porous media were also conducted for each fluid viscosity. The results indicate that the experimental data can be correlated in terms of the difference between the static flow rate and the dynamic fluid loss rate as a function of the bulk Reynold's number and the bulk flow rate. Stream function profiles were determined for each experimental run to visualize flow through the length of the slot. An empirical correlation was developed between the superficial entrance width, δ, and the ratio of bulk Reynold's number to the Reynold's number based on flow through the porous wa
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