EMPIRICAL CORRELATIONS FOR THE MINIMUM TRANSPORT VELOCITY OF MULTIDISPERSE SLURRIES IN HORIZONTAL PIPES

Bae KS; Lee H; Park CG; Lee CS

Korean Journal of Chemical Engineering, Vol.8, No.2, 120-124, April, 1991

Empirical methods were developed for the prediction of minimum transport velocity(MTV) of settling slurries through horizontal pipes. Multidisperse slurries of different particle sizes and densities were included in the development of correlation. The correlation is based on the separation of the general particle volume dependence and the limiting MTV at zero volume fraction. The letter was calculated assuming a monodisperse slurry of the least readily transportable group of particles in a hypothetical fluid. For pipe diameter less than 50mm and total volume fraction of solid less than 0.15 the prediction showed satisfactory agreements with experimental values.

[References]

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[1] Doron D, Grancia D, Barnea D, Int. J. Multiph. Flow, 13, 535 (1987)

[2] Agarwal PK, Chem. Eng. Sci., 43, 2487 (1988)

[3] Hsu FL, Turian RM, Ma TW, AIChE J., 35, 429 (1989)

[4] Durand R, Condolios F, "Hydraulic Transportation of Coal and Solid Materials," Paper Presented at the London Colloquium of the National Coal Board, November (1952)

[5] Sinclair CG, Proc. Sym. Interactions Fluid and Particles, Instn. Chem. Eng. (London), June (1962)

[6] Thomas DG, AIChE J., 8, 373 (1962)

[7] Oroskar AR, Turian RM, AIChE J., 26, 550 (1980)

[8] Condolios E, Chapus EE, Chem. Eng., 70, 93 (1963)

[9] Kim HT, Han KS, Park CK, Lee CS, Int. Chem. Eng., 26, 731 (1986)

[10] Cho KT, Bae KS, Lee CS, HWAHAK KONGHAK, 25(2), 143 (1987)

[11] Bird RB, Stewart WE, Lightfoot EN, "Transport Phenomena," Wiley, New York, p. 193 (1960)

[12] Selim MS, Kothari AC, Turian RM, AIChE J., 29, 1029 (1983)

[13] Ryu SH, Bae KS, Lee CS, HWAHAK KONGHAK, 24(1), 39 (1986)

[14] Wicks M, "Advances in Solid-Liquid Flow and Its Applications," Zandi, I., ed., Pergamon, p. 101 (1971)

[15] Hayden J, Stelson T, "Advances in Solid-Liquid Flow and Its Application," Zandi, I., ed., Pergamon, p. 149 (1971)