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Instrumentation for the control of the formation of industrial particulate mixtures, and their real-time monitoring by ultrasound.




Thomas Marshall




A thesis submitted to The University of Nottingham

for the Degree of Doctor of Philosophy



Ultrasonics and Digital Signal Processing Laboratory,

School of Electrical and Electronic Engineering,

The University of Nottingham,




Table of Contents

List of Figures

List of Tables


Chapter 1: Introduction

Chapter 2: Development of signal processing and control hardware

Chapter 3: Development of test-cell hardware and instrumentation for temperature control

Chapter 4: Application to the crystallization of copper(II) sulphate

Chapter 5: Application to industrial milling processes

Chapter 6: Studies of other industrial particulate mixtures

Chapter 7: Conclusions, discussion and further work


Appendix A

Appendix B

Appendix C