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Modeling Breakage Kinetics in Various Dry Comminution Systems
In modeling comminution systems, breakage rate (selection) functions are generally influenced more by the comminution machine than are breakage distribution functions, which are controlled by material properties. Linear grinding kinetics can be expressed either in terms of grinding time or specific energy consumption. Nonlinearities are caused by energy transfer mechanisms in the comminution machine whereby coarser particles might be ground preferentially or are protected by fines, by energy dissipation through interparticle friction in compressed bed comminution, and sometimes from heterogeneities produced in the feed particles. This paper discusses modifications of breakage rate functions in the grinding model for a number of situations and compares simulated and experimental results.
Modeling Breakage Kinetics in Various Dry Comminution Systems
In modeling comminution systems, breakage rate (selection) functions are generally influenced more by the comminution machine than are breakage distribution functions, which are controlled by material properties. Linear grinding kinetics can be expressed either in terms of grinding time or specific energy consumption. Nonlinearities are caused by energy transfer mechanisms in the comminution machine whereby coarser particles might be ground preferentially or are protected by fines, by energy dissipation through interparticle friction in compressed bed comminution, and sometimes from heterogeneities produced in the feed particles. This paper discusses modifications of breakage rate functions in the grinding model for a number of situations and compares simulated and experimental results.
Modeling Breakage Kinetics in Various Dry Comminution Systems
D. W. Fuerstenau (author) / P. C. Kapur (author) / A. De (author)
2014
Article (Journal)
Electronic Resource
Unknown
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