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Table of contents
1 Literature review
2 Suspensions
2.1.1 Introduction
2.1.2 Classification of suspensions
2.1.3 Suspension viscosity
2.2 Flow geometries
2.2.1 Introduction
2.2.2 Drag flow geometries
2.2.3 Pressure driven flow geometries
2.3 Dense suspension flow dynamics
2.3.1 Introduction
2.3.2 Secondary flow
2.3.3 Apparent slip
2.3.4 Shear induced particle migration
2.4 Measurement techniques for suspension flow
2.4.1 Introduction
2.4.2 Micro-PIV
2.4.3 Particle locating method
2.5 Positioning of the study
3 Density and refractive index matched suspension model
3.1 Suspension preparation process
3.2 Suspension rheology
3.2.1 Measurement conditions
3.2.2 Results
3.2.3 Suspension rheology discussion
4 Experimental set-up and measurement techniques
4.1 Experimental set-up
4.1.1 Flow generation system
4.1.2 Flow measurement system
4.1.3 Environment control system
4.2 Velocity profile measurement
4.2.1 Determination of the velocity profile
4.2.2 ratio
4.2.3 Micro-PIV system parameters
4.3 Validation of experimental set-up
4.3.1 Threshold velocity of secondary flow
4.3.2 Velocity profiles of 0% particle suspension
4.4 Particle concentration measurement
4.4.1 Measurement principle
4.4.2 Particle locating program
4.4.3 Local particle concentration calculation
5 Experimental results
5.1 Suspension velocity profiles
5.1.1 Evolution of velocity profiles
5.1.2 Relative difference of shear rates
5.2 Apparent slip
5.2.1 Apparent slip characterization
5.2.2 Apparent slip discussion
5.3 Local particle concentration
5.3.1 value
5.3.2 Particle position determination
5.3.3 Local particle concentration calculation
5.4 Discussion
5.4.1 Particle migration
5.4.2 The influence on velocity profile measurement
6 Conclusion and perspective
