Improvement of the limiting relative friction law on a permeable plate with blown gas

Abstract

part of the recycled material entering the jet; Qp, part of the recycled material entering the bulk; Qc, suspension flow rate; oj, p, distribution densities in the jet and bulk, respectively; r, particle radius; S, particle surface; V, particle volume; t, time; ~, fraction of recycled material supplied to the jet; nun, product unloading rate; np, recycled-material supply rate; Ti, instant i of the instantaneous recycled material loading; ~.., instant j of instantaneous product unloading; Qp, Qun' flow rates of the recycled materiJal and the final product;No, initial number of particles in the apparatus; AQp, AQun, volumes of the recycled material and product supplied to and withdrawn from the apparatus at a fixed instant. LITERATURE CITED i. O.M. Todes, Yu. Ya. Kaganovich, S. P. Nalimov, et al., Fluidized-Bed Solution Dewatering [in Russian], Metallurgiya, Moscow (1973). 2. V. E. Babenko, A. A. Oigenblik, G. N. Gavrilov, et al., "A mathematical model for dewatering and granulation in a fluidized bed," Teor. Osn. Khim. Tekhnol., No. 6, 837-845 (1969). 3. P.G. Romankov and N. B. Rashkovskaya, Fluidized-State Drying [in Russian], Khimiya, Leningrad (1968). 4. G.A. Minaev, A Study of Jet Flows in a Granular Bed: Theoretical Principles for Calculating and Designing Equipments Containing Dispersed Solid Phases [in Russian], Moscow (1977). 5.G.A. Minaev, A. S. Sukhov, and A. N. Tsetovich, "Granulating food yeasts in a fluidizedbed apparatus," Gidroliznoe Proizvod., No. 4, 4-6 (1981).