Experimental and Computational Studies of Hydrodynamics in Three-Phase and Two-Phase Fluidized Beds

Experimental and Computational Studies of Hydrodynamics in
Three-Phase and Two-Phase Fluidized Beds - 1994

Acknowledgement				iii
List of Tables				vii
List of Figures				ix
List of Symbols				x
Abstract				xiii
Chapter
	I.	Introduction 180kb		1.1
	II.	Description of Experimental Apparatus for Three-Phase Fluidized Bed 352kb		2.1
			Introduction	2.1
			Experimental Apparatus and Procedure	2.2
			Visual Observations of Bubble Coalescence and Break up	2.7
	III.	Measurements of Volume Fractions in Two-Phase and Three-Phase Fluidized Beds 481kb		3.1
			Introduction	3.1
			Principle of Interpretation	3.1
			Calibration of X-ray and y-ray Densitometer	3.3
			Flow Regime	3.4
			Volume Fractions	3.5
	IV.	Power Spectra Analysis of Bubble Frequency 705kb		4.1
			Introduction	4.1
			Experimental Setup and Procedure	4.3
			Experimental Concentration Fluctuation and Power Spectra Results	4.4
			Computed Concentration Fluctuation and Power Spectra Results	4.21
			Conclusion	4.21
	V.	Particle Velocity Distribution in Two-Phase and Three-Phase Fluidized Bed 1079kb		5.1
			Introduction	5.1
			Apparatus and Experimental Procedure	5.2
			Analysis of Results	5.8
			Conclusion	5.23
	VI.	Solids Viscosity Measurements in Three-Phase Fluidized Bed 676kb		6.1
			Introduction	6.1
			Experimental Setup and Procedure	6.3
			"Apparent" Bed Viscosity	6.6
			Shear Stress Analysis	6.13
			Granular Temperatures in Three-Phase Fluidized Beds	6.14
			Conclusion	6.17
	VII.	Description of the Hydrodynamic Model and Simulation 1031kb		7.1
			Introduction	7.1
			Hydrodynamic Model	7.2
			Numerical Scheme	7.3
			Initial and Boundary Conditions	7.4
			Fluidized Bed Simulation	7.6
			Results of Numerical Simulation	7.6
			Conclusion	7.19
	VIII.	Summary and Recommendations 362kb		8.1
			Summary	8.1
			Future Work	8.2
Appendix
	A.	Volume Fraction Measurement Data 590kb		A.1
	B.	Velocity Measurement Data 533kb		B.1
	C.	Viscosity Measurement Data 249kb		C.1
	D.	Hydrodynamic Model 103kb		D.1
References 228kb				R.1