Modeling of flowing film concentrators: Part 1. Water split behaviour |
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| Authors: | AK Majumder GJ Lyman M Brennan PN Holtham |
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| Institution: | 1. Regional Research Laboratory, Hoshangabad Road, Bhopal-462026, India;2. Julius Kruttschnitt Mineral research Centre, University of Queensland, Isles Road, Indooroopilly, QLD 4068, Australia |
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| Abstract: | A large number of mineral processing equipment employs the basic principles of gravity concentration in a flowing fluid of a few millimetres thick in small open channels where the particles are distributed along the flow height based on their physical properties and the fluid flow characteristics. Fluid flow behaviour and slurry transportation characteristics in open channels have been the research topic for many years in many engineering disciplines. However, the open channels used in the mineral processing industries are different in terms of the size of the channel and the flow velocity used. Understanding of water split behaviour is, therefore, essential in modeling flowing film concentrators. In this paper, an attempt has been made to model the water split behaviour in an inclined open rectangular channel, resembling the actual size and the flow velocity used by the mineral processing industries, based on the Prandtl's mixing length approach. |
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| Keywords: | Gravity concentration Flowing film concentrators Mixing length Turbulence Sluice |
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