An innovative presentation on new engineering technology in research at UCD Dublin. A short review of Bubble Columns of general interest but especially for the casual enthusiast!

1. Investigation into Hydrodynamics, Dispersion and Mass-Transfer in a Bubble Column

8. 1.2 Instrument Signal Analysis Comment : Un-Filtered Data

9. 1.2 Noise Characterisation 

10. 1.3 Optimum Conductivity Probe Orientation in Two-Phase Flow Window 1.03 1.60 1.35 0.67 45 1.04 1.65 1.30 1.29 60 0.35 0.22 0.49 0.54 -45 1.41 1.14 0.89 0.29 -60 1.10 1.74 1.06 0.89 0 SE H NE N Position

11. 1.3 Directionality in Readouts

12. 1.3 Window Projection Residence Time Theory Position 3.18 2.25 4.5 2.25 3.18 135 o 1.28 2.75 6 3 4.24 90 o 3.18 2.25 4.5 2.25 3.18 45 o 0.64 1.38 3 1.5 2.12 0 o 135 o 120 o 90 o 60 o 45 o Window

15. 2. Axial Dispersion Model  /L Time Comment : Notable Similarities to Control Theory

16. 2. Dispersion

17. 2. Dispersion Selected RTD for Pulse Injection Dispersion mechanisms evident – Expected Result ?

19. 3. Mass Transfer of CO 2 Exponential Model to fit Data, Regression Coefficient of 0.9995

20. 3. Improved Dispersion Model Comment : Agreement of Experimental Data with Predictive Theory

21. Questions ? © Copyright 2007-2010 Please contact me with any comments or suggestions