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Sandia Bubble Column Hydrodynamics Table of Contents

Advanced Tomographic Flow Diagnostics for Opaque Multiphase Fluids - 1997

Torczynski, J.R.
O'Hern, T.J.
Adkins, D.R.
Jackson, N.B.
Shollenberger, K.A.

Sandia National Laboratories

Table of Contents 619kb

  Table of Contents 5
List of Figures 7
List of Tables 9
Nomenclature 152kb 11
Section 1
1350kb

1

 Introduction 14
  1.1 Overview 14
1.2 Motivation 14
1.3 Slurry Bubble-Column Reactors(SBCRs) 18
1.4 Scope of Existing and Proposed Diagnotics 21
Section 2
815kb

2

 Diagnostic Techniques 23
 

2.1

 Techniques Yeilding Spatially-Averaged or Local Information 23
  2.1.1 Level-Rise (LR) Technique 23
2.1.2 Differential-Pressure (DP) Technique 24
2.1.3 Bulk Electrical Impedance (BEI) Technique 26
2.1.4 Electrical Bubble Probe(EBP) 27
Section 3
1187kb

2.2

 X-Ray Tomography (XRT) and Real-Time Radiography (RTR) Techniques 30
  2.2.1 XRT System 30
2.2.2 RTR System 31

2.3

 Gamma-Densitometry Tomography (GDT) Technique 31
  2.3.1 GDT System 32
Section 4
1156kb		 2.3.2 GDT Reconstruction Algorithm 39

2.4

 Electrical-Impedance Tomography (EIT) Technique 41
  2.4.1 EIT System 42
2.4.2 EIT Reconstruction Algorithm: Overview 45
Section 5
939kb		 2.4.3 EIT Reconstruction Algorithm: Theory 48
2.4.4 EIT Reconstruction Algorithm: FEMEIT Implementation 52
2.4.5 EIT Reconstruction Algorithm: FEMEIT Validation 55
2.4.6 EIT Reconstruction Algorithm: Extensions 59
Section 6
1170kb

3

 Preliminary Validation Efforts 61
 

3.1

 Wax/Catalyst (WCD) Experiments 61
  3.1.1 WCD Description 61
3.1.2 WCD Experimental Results from XRT 62

3.2

 Boxed Bubble Column (BBC) Experiment 65
  3.2.1 BBC Experimental Setup 66
3.2.2 BBC Experimental Results from RTR 67
Section 7
936kb

3.3

 Insulating Cylindrical Inclusion (ICI) Experiments 69
  3.3.1 ICI Experimental Setup 69
3.3.2 ICI Experimental Resluts from EIT 70

4

 Experimental Testbeds and Results 72
 

4.1

 Transparent Bubble Column (TBC) Experiment 72
  4.1.1 TBC Experimental Setup 73
4.1.2 TBC Experimental Results 75
Section 8
1341kb

4.2

 Slurry Bubble-Column Reactor (SBCR) Experiment 79
  4.2.1 SBCR Experimental Setup 80
4.2.2 SBCR Experimental Results 80

4.3

 Two-Phase Experiments Combining GDT and EIT 84

4.3.1

 Liquid-Solid Flow (LSF) Experiment 85

4.4

 Application of GDT and EIT to TBC 89
Section 9
605kb

5

 Conclusions 93

A

 FEMEIT Files 94
  References 96
Distribution 102