Fluidization and fluctuations in granular systems

Leiden Repository

Fluidization and fluctuations in granular systems

Type: Doctoral Thesis
Title: Fluidization and fluctuations in granular systems
Author: Nichol, K.M.
Journal Title: Casimir PhD Series
Issue Date: 2011-10-04
Keywords: Statistical mechanics
Soft condensed matter
Granular materials
Granular systems
Fluidization
Fluctations
Brownian motion
Granular media
Abstract: This thesis explores how rheology and statistical mechanics can be used to describe driven granular materials. Chapter 1 is an overview of the current knowledge of slow granular flows. In Chapter 2 we characterize the liquid-like behaviour of a granular system excited by flow in a split-bottom geometry. In Chapter 3 we describe the fluctuations experienced by an object floating in our granular liquid and compare these fluctuations to the Brownian motion of particles in a thermal system. In Chapter 4 we characterize the motion of objects moving in a granular system excited by oscillatory flow. Finally, in Chapter 5, we describe both the microscopic and macroscopic motion of pucks on an air hockey table. We find the the system exhibits equipartition of rotational and translational energy and that the system can be described by van der Waals' equation of state.
Promotor: Supervisor: Hecke M.L. van
Faculty: Faculty of Science
University: Leiden University
Uri: urn:isbn:9789085931058
Handle: http://hdl.handle.net/1887/17889
 

Files in this item

Description Size View
application/pdf Cover 53.27Kb View/Open
application/pdf Full text 49.24Mb View/Open
application/pdf Propositions 25.98Kb View/Open

This item appears in the following Collection(s)