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Modelling of particle breakage : ウィキペディア英語版 | Modelling of particle breakage
Modelling of particle breakage is a process used in grinding. Grinding is an important unit operation used in many industries, such as ceramics, composites, foods, minerals, paints, inks and pharmaceuticals.〔Prasher CL. Crushing and Grinding Process Handbook. Chichester: Wiley 1987.〕 Current technology, however, is inefficient and power-intensive.〔Wills BA. Mineral Processing Technology. Oxford: Pergamon Press 1992.〕 It is, therefore, important that grinding processes are properly designed and grinding devices are operated at optimum operating conditions. There are two methods to model particle breakage: population balance model and discrete element method. == Population balance model == Population balance model (PBM) is often used to predict grinding performance, requiring the knowledge of selection and breakage function which are related to the energy distribution inside mills.〔Austin LG. A Review-Introduction to the Mathematical Description of Grinding as a Rate Process. Powder Technology. 1971/1972;5:1-17.〕
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