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Title:Kinematics and Kinetics of Granular Mixture: Experimental and Numerical Studies
Author(s):Zhang, Jiafeng
Doctoral Committee Chair(s):Kimberly Hill
Department / Program:Theoretical and Applied Mechanics
Discipline:Theoretical and Applied Mechanics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Chemical
Abstract:Additionally, kinetic properties are investigated for a few cases, primarily computationally. Specifically, the sources and sinks of energy are investigated---the major dissipation of energy is found to be frictional sliding. Additionally, the distribution of forces in the solid-like bulk and the fluid-like flow are investigated for different mixtures---for all cases, the probability distribution function of the forces decays exponentially, though the exponent is mixture-dependent. Finally, both kinematics and kinetics of granular materials are investigated for shallow flows in a drum and compared with a model system for debris flow. Both the simulation and experimental model of dry debris flow show understanding the segregation in a granular mixture is important for predicting erosion and hazard potential in coarse debris flows.
Issue Date:2009
Description:198 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2009.
Other Identifier(s):(MiAaPQ)AAI3363124
Date Available in IDEALS:2015-09-28
Date Deposited:2009

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