Computational simulation of fluid and dilute particulate flows on spiral concentrators

Applied Mathematical Modelling

Volumn 22, Issue 12, 1998, Pages 965-979

  Matthews, B W ^a   Fletcher, C A J ^a   Partridge, A C ^a  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

Computational fluid dynamics; Free surface flow; Lagrangian particulate analysis; RNG k turbulence model; Spiral concentrator; Volume of fluid (VOF) method

Indexed keywords

ALGORITHMS; LAGRANGE MULTIPLIERS; MATHEMATICAL MODELS; MEASUREMENT ERRORS; PARTICLES (PARTICULATE MATTER); TURBULENT FLOW;

FREE-SURFACE FLOWS; LAGRANGIAN PARTICULATE ANALYSIS; SPIRAL CONCENTRATORS; VOLUME-OF-FLUID (VOF) METHODS;

COMPUTATIONAL FLUID DYNAMICS;

COAL SLURRY; COMPUTATIONAL FLUID DYNAMICS; FREE SURFACE FLOW; MINERAL PROCESSING; SEPARATION; SOLID PARTICLE;

EID: 0032409110     PISSN: 0307904X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0307-904X(98)10030-6     Document Type: Article

References (28)

1. Holland-Batt A.B. Spiral separation: theory and simulation. Trans. Instn. Min. Metall. (Sect. C). 98:1989;C46-60.
2. Wang J.W., Andrews J.R.G. Numerical simulation of liquid flow on spiral concentrators. Min. Eng. 7:1994;1363-1386.
3. T. Jancar, C.A.J. Fletcher, P.N. Holtham, J.A. Reizes, Computational and experimental investigation of spiral separator hydrodynamics, Proceedings of the XIX International Mineral Proc. Congress, San Francisco, 1995.
4. B.W. Matthews, C.A.J. Fletcher, A.C. Partridge, T. Jancar, Computational simulation of spiral concentrator flows in the mineral processing industry, Proc. CHEMECA '96, Aust. Inst. Chem. Eng., Sydney, 1996.
5. P.N. Holtham, The fluid flow pattern and particle motion on spiral separators, unpublished Ph.D. Thesis, University of New South Wales, 1990.
6. Yakhot V., Orszag S.A. Renormalisation group analysis of turbulence, I. Basic theory. J. Sci. Comput. 1(1):1986;1-51.
7. Maxey M.R., Riley J.R. Equation of motion for a small rigid sphere in a non-uniform flow. Phys. Fluids. 26(4):1983;883-889.
8. Morsi S.A., Alexander A.J. An investigation of particle trajectories in two-phase flow systems. J. Fluid Mech. 55(2):1972;193-208.
9. Thomson D.J. Criteria for the selection of stochastic models of particle trajectories in turbulent flows. J. Fluid. Mech. 180:1987;529-556.
10. Floryan J.M., Rasmussen H. Numerical Methods for viscous flows with moving boundaries. Appl. Mech. Rev. 42(12):1989;323-341.
11. Hirt C.W., Nichols B.D. Volume of Fluid (VOF) method for the dynamics of free boundaries. J. Comp. Phy. 39:1981;201-225.
12. Mashayek F., Ashgriz N. A hybrid finite-element-volume-of-fluid method for simulating free surface flows and interfaces. Int. J. Num. Meth. Fluids. 20:1995;1363-1380.
13. Nishikawa N., Suzuki T., Suzuki A. Numerical simulation of splash of droplet. Lecture Notes in Physics. 264:1986;499-504.
14. Parton I.S. Application of the VOF method to the sloshing of a fluid in a partially filled cylindrical container. Int. J. Num. Meth. Fluids. 7:1987;535-550.
15. Nichols B.D., Hirt C.W. Improved free surface boundary conditions for numerical incompressible-flow calculations. J. Comp. Phy. 8:1971;434-448.
16. Brauer H. Report on investigations on particle movement in straight horizontal tubes, particle/wall collision and erosion of tubes and tube bends. J. Powder & Bulk Solids Tech. 4(2/3):1980;3-12.
17. Sommerfield M. Modelling of particle-wall collisions in confined gas-particle flows. Int. J. Multiphase Flow. 18(6):1992;905-926.
18. Matsumoto S., Saito S. Monte Carlo simulation of horizontal pneumatic conveying based on the rough wall model. J. Chem. Eng. Japan. 3(2):1970;223-230.
19. Tsuji Y., Oshima T., Morikawa Y. Numerical simulation of pneumatic conveying in a horizontal pipe. KONA. 3:1985;38-51.
20. Oesterle B. Internal kinetic transfers in the dispersed phase of a low concentration suspension flow. Int. J. Multiphase Flow. 15:1989;155-171.
21. Shook C.A. Experiments with concentrated slurries of particles with densities near that of the carrier fluid. Can. J. Chem. Eng. 63:1985;861-869.
22. Grant G., Tabakoff W. Erosion prediction in turbomachinery resulting from environmental solid particles. J. Aircraft. 12(5):1975;471-478.
23. Z. Volsicky et al., Properties of brown coals and accompanying waste rock and their utilisation in connection with separation by dry processes, 10th Int. Coal Prep. Congress, 1986, pp. 168-180.
24. Beck A.J.G., Holtham P.N. Computer simulation of particle stratification in a two-dimensional batch jig. Min. Eng. 6(5):1993;523-536.
25. Yamamoto F. A study of motion of a sphere in air flow through horizontal pipe. Bull. JSME. 20(253):1986;2055-2061.
26. K.J. Golab, P.N. Holtham, J. Wu, Validation of a computer model of fluid flow on the spiral separator, Innovation in physical separation technologies, Richard Mozely Memorial Symp., Inst. Min. Metall. London, 1997.
27. Gangadharaiah T., Rao N.S.L., Seetharamiah K. Inception and entrainment in self-aerated flows. J. Hyd. Div. Proc. ASCE. 96:1970;1549-1565.
28. N.S.L. Rao, H. Kobus, Characteristics of self-aerated surface flows, Water and Waste Water, Current Research and Practice 10 (1973).