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Mechanisms and kinetics of gravity separation of granular materials

机译:粒状材料重力分离的机制和动力学

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摘要

Particle separation mechanisms and kinetics in granular materials in a gravity chute and under vibrational impact are analyzed. Special attention is given to separation and kinetics mechanisms operating under conditions of high heterogeneity of structural and kinematic characteristics of granular flows. An analysis of alternative expressions for the separation driving force arising from local and spatial heterogeneity of granular media is based on results of experimental and analytical studies. Predictive properties of mathematical models are discussed with reference to the dynamics of separation of granular media according to the size and density of their constituent particles due to shear flow heterogeneity.
机译:分析了重力滑槽中颗粒材料的颗粒分离机制和动力学,并进行了振动冲击。 特别注意在粒状流动结构和运动学特征的高异质性条件下运行的分离和动力学机制。 粒状介质局部和空间异质性产生的分离驱动力的替代表达式的分析是基于实验和分析研究的结果。 根据其组成颗粒的尺寸和密度由于剪切流动异质性,参考粒状介质的分离的动态讨论了数学模型的预测性质。

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