PRELIMINARY PROGRAM

FRONTIERS
IN
INDUSTRIAL PROCESS TOMOGRAPHY II

April 8-12, 1997
Delft, The Netherlands

CONFERENCE CHAIR
Brian Hoyle
Leeds University
Tel: 44-113-233-2056 Fax: 44-113-233-2032
E-Mail: b.s.hoyle@leeds.ac.uk

David M. Scott
DuPont Company
Tel: 1-302-695-4883 Fax: 1-302-695-2747
E-Mail: scottdm@esvax.dnet.dupont.com

ENGINEERING FOUNDATION
345 East 47th Street
New York, NY 10017
Tel: 302-705-7836 Fax: 212-705-7441
E-Mail: engfnd@aol.com
http://www.engfnd.org

CONFERENCE THEME: TOMOGRAPHIC SENSORS FOR PROCESS MONITORING AND CONTROL

CONFERENCE FOCUS: Overall system aspects and monitoring and control benefits

Paper references in this preliminary program are for administration only. They are `ThemeIndexed' and no selection or ranking is intended. The papers are currently listed in order of corresponding author. The full list of authors will be in the final program.

Short keynote remarks will be given by a nominated session chairman.

EXHIBITION OF INSTRUMENTATION AND SOFTWARE

All delegates are invited to offer displays and demonstrations of products and software related to the general themes of the FIPT and CPP conferences.

An exhibition space will be available and Delft University of Technology may be able to provide computer hardware for the mounting of software.

Invitations to submit displays will be made shortly through the conference organization administrators in Delft.

Tuesday, April 8, 1997

14:30 - 17:00 Registration at Aula Conference Center

18:00 Reception at Old Town Hall and Dinner

Wednesday, April 9, 1997

JOINT DAY WITH THE CONTROL OF PARTICULATE PROCESSES IV CONFERENCE

09:00 - 11:00 Session 1A: Characterization and monitoring of particulate materials and processes
Session Chairs: R.A. Williams and D. Parker

Characterization of structured suspensions and emulsions using tomographic electrical texture fingerprinting
Dr. P. Gregory
University of Exeter

Characterization of mineral populations by xray CT Prof J.D. Miller
University of Utah

Gammaray tomography for particle density profile measurements in fluidized beds
Dr. P.T. Por T
University of Delft

Scaleup of fluidized beds through PEPT
Dr. M. Stein
University of Birmingham

Online monitoring of rheological parameters with an inductive flowmeter
Dr.Ing. A. Traechtler
University of Karlsruhe

Application of Electrical Capacitance Tomography for a Circulating Fluidized Bed
Dr. S.J. Wang
UMIST

11:00 - 11:15 Coffee Break

11:15 INSTRUMENT DEMONSTRATIONS
Chair: TBA

Introduction: Chair

5 minute presentations - instrument manufacturers

12:30 - 14:00 Joint Conference Lunch

14:00 Session 1B: OnLine Measurement and Control of Industrial Processes
Session Chairs: R.B. Edwards and J.D. Miller

Electrical impedance tomography of a perchloroethelyne release into a sandy aquifer
Dr. W. Daily
Lawrence Livermore National Laboratory

A microwave sensor for multiphase flow measurements
Dr. Ph Garreau
Satimo

Combustion visualization using electrical tomography and Schlieren picture techniques
Ms. R. He
UMIST

Coffee Break

Studies of bubbly flows by positron emitting radiotracers
Dr. F. Hensel
Research Center Rossendorf Inc.

Static characterization of a dual sensor flow imaging system
Dr. B.T. Hjertaker
ABB Corporate Research

Tomographic imaging of slug flow in horizontal pipelines using a wiremechsensor
Prof Dr.Ing. D. Mewes
University of Hannover

Discussion

Free Time

18:00 - 19:30 Dinner

Session 1C: Poster Session: Tomographic Sensors for Process Monitoring and Control

Coffee and Dessert will be served

19:30 ECT applied to pneumatic conveying and flotation processes
Mr. M. Bennett
University of Exeter

A 434MHz microwave scanner for ISM applications
Prof. J.C. Bolomey
Supelec

Gas holdup in bubble columns measured by computer tomography
Mr. J. Chen
Washington University, St. Louis

Use of electrical impedance imaging to detect particle deposition in hydraulic conveying
Dr. Y. Fangary
University of Exeter

A microwave tomographic inspection tool for buried objects
Dr. Ph. Garreau
Satimo

Monitoring of concentration profiles using EIT
Dr. H. Grootveld
Delft University of Technology

Observations of kaolinite floc characteristics in an agitated vessel using electrical resistance tomography
Dr. A.E. James
UMIST

Verification of distinct element modelling of particle separation in jigs using PET
Dr. X. Jia
University of Exeter

Gasliquid and miscible liquid mixing in a plantscale vessel monitored using electrical resistance tomography
Prof R. Mann
UMIST

Xray computed tomography for stationary multiphase flow in random and structured packings
Prof. Dr.Ing. D. Mewes
University of Hannover

A new wire mesh tomograph for gasliquid flows Dr. H.M. Prasser
Research Centre Rossendorf Inc.

Study of settling behavior of flocculated kaolinite suspensions by electrical resistance tomography
Mrs. C.H. Qui
UMIST

Feasibility indications for tomographic sensing in monitoring of the transport of coarse particles by suspension of fines
Dr. A. Rehman Khan
University of Kuwait

Particle shape and size measurement using microelectrical resistance imaging
Dr. T.M. Shi
University of Exeter

Composition analysis of mixed mineral suspensions using impedance spectroscopy
Prof. R.A. Williams
University of Exeter

Gas/liquid two phase flow regime identification by ultrasonic tomography
Prof. L.A. Xu
Tianjin University

Imaging internal combustion in engines using electrical tomography special requirements
Dr. W.Q. Yang
UMIST

Thursday April 10, 1997

SESSION 2 THEME: EMERGING SENSOR SYSTEMS AND DATA PROCESSING
Focus: New ways to make sensors more applicable to user process needs

09:00 Session 2A: Developments in Tomographic Sensors
Session Chairs: E.A. Hammer, F. Mesch

Nuclear magnetic resonance imagingbased viscometry
Dr. D.F. Arola
University of California

Angular velocity profiling by means of electrical impedance
tomography
Dr. E.O. Etuke
University of Texas at Austin

Recent developments in detector systems for gammaray tomography
Dr. G.A. Johansen
University of Bergen

Coffee Break

Development of an electrodynamic tomography system
Dr. M. Machida
Delft University of Technology

Ultrasound reflection tomography for process applications
Dr. H.I. Schlaberg
University of Leeds

Electrical resistance tomographic sensor systems for industrial applications
Dr. M. Wang
UMIST

Discussion

12:30 - 14:00 Lunch

14:00 Session 2B: Developments in Tomographic Reconstruction
Session Chairs: D.M. Scott, J. Crowther

Flow imaging by gammaray tomography: data processing and reconstruction techniques
Mr. T. Froystein
University of Bergen

A least squares image reconstruction algorithm for electrical capacitance tomography
Dr. F. T. Kuehn
Delft University of Technology

A quadratic approach in microwave tomography
Prof R. Pierri
University of Naples

A collocation method for vector tomography
Dr. H. Shielschott
Institut fuer Numerische und Instrumentelle Mathematik

Developments in the solution of the forward problem in electrical tomography and implications for iterative reconstruction
Dr. D.M. Spink
University of Leeds

A fast nonlinear reconstruction technique for electrical impedance tomography
Dr.Ing. A. Traechtler
University of Karlsruhe

Discussion

Free Time

18:00 - 19:30 Dinner

Session 2C: Poster Session: Emerging Sensor Systems and Data

Coffee and Dessert will be served

Stability of NewtonKantorovich reconstruction algorithms for microwave tomography
Prof. J.C. Bolomey
Supelec

A demonstration unit for fluidization process analysis with capacitance tomography
Mr. W.F. Conway
UMIST

A high signal to noise ratio capacitance transducer for use in a multipleexcitation tomography system
Dr. J.C. Gamio
UMIST

Importance in calculating the permitivity and conductivity in twocomponent mixtures for image reconstruction
Prof. E. Hammer
University of Bergen

Resolution enhancement in fewviews tomography
Dr. I.G. Kazantev
Computing Center

Active differentiator capacitance transducer for electrical capacitance tomography
Dr. F.T. Kuehn
Delft University of Technology

Reconstruction of capacitance tomography data using global entrophic thresholding methods: experimental evaluation
Dr. A.J. Mwambela
University of Bergen

Threedimensional electrical resistance tomography in a stirred mixing vessel
Mr. P.A.T. Pinheiro
UMIST

Computer modelling of cone beam reconstruction
Prof. O.E. Trofimov
Russian Academy of Sciences

Frequency controlled gain in the charge discharge circuit
Mr. P. Williams
UMIST

The design of a novel mutual inductance sensing system
Prof. L.A. Xu
Tianjin University

The electrical resistance tomography system with guard electrode strategy
Prof. L.A. Xu
Tianjin University

Design of a capacitance tomography sensor without CMOS switches
Dr. W.Q. Yang
UMIST

An appraisal of three electrical tomography techniques
Dr. W.Q. Yang
UMIST

Dynamic image enhancement for ultrasound process tomography
Dr. M. Yang
University of Leeds

Preliminary studies of linear microcapacitance tomography
Dr. T. York
UMIST

Development of sensor arrays for electromagnetic inductance tomography
Dr. Z.Z. Yu
University of Lancaster

The application of neural networks to ECT systems
Prof. B.F. Zhang
Tsinghua University

Friday, April 11, 1997

SESSION 3 THEME: TOMOGRAPHY DATA INTERPRETATION AND PROCESS MODELLING
Focus: New methods to give more user process information from pt data

09:00 Session 3A: Image interpretation for online monitoring control and modelling
Session chairs: S. Simons, B. Scarlett

Particle dispersion coefficients from raw EIT data
Dr. H. Grootveld
Delft University of Technology

Segregation in Binary Fluidized Bed Systems
Dr. A. Hull
University of Wyoming

Defect detection on metallic objects using electromagnetic tomography and neural networks
Mr. J.N. Lau
University of Aveiro

Coffee Break

Prediction of tomato paste quality from MRI tomography
Prof. M.J. McCarthy
Nestle

Use of PCA and neural networks to extract information from tomographic images for process control 24
Dr. X. Ni
University College, London

Characterizing a vertical gassolid flow by means of gamma absorption tomography
Prof Dr.Ing. K.E. Wirth
University of Erlangen

Discussion

Visit to the Keukenhof (Boxed lunches will be provided)

Dinner

Session 3B: Modelling of multiphase processes
Session Chairs: D. Mewes, R. Mann

19:30 Efficient Reconstruction Algorithms for Gamma Ray Process Tomography in Twophase Systems
Dr. J.M. Crowther
Glasgow Caledonian University

Determination of phase velocities in multiphase flows in hoppers using dual photon gammaray tomography
Dr. M. Nikitidis
University of Surrey

Simulation of ECT measurement for fast slug flow
Dr. K.L. Ostrowski
University of Exeter

Coffee Break

Modelling of the liquid distribution in a packed column based
upon xray tomography images
Dr. D. Toye
University of Liege

Optimization of solid/liquid mixing using 3dimensional resistance tomography
Prof. R.A. Williams
University of Exeter

Parallel implemented Hough Transform for pattern recognition in ultrasound process tomography
Dr. M. Yang
University of Leeds

Saturday, April 12, 1997

SESSION 4 - THEME: INDUSTRIAL IMPLEMENTATION
Focus: Ruggidising sensors and miniaturization of systems
Session Chairs: A. Hunt, T. York

09:00 Process tomography the state of the art
Prof. M.S. Beck
UMIST

Engineering design rules for ECT sensors
Mr. M. Byars
Process Tomography Ltd.

Development of a modular data acquisition system for electrical tomography
Dr. G.M. Lyon
University of Lancaster

Coffee Break

A flexible test platform for investigating gammaray tomography geometries and applications
Dr. B. McKibben
University of Bergen

Do We Need Tomography for Process Control?
Dr. L. Oest
Technical University of HamburgHarburg

Framework for development, testing and running of tomographic reconstruction algorithms
Dr. J. Velez
University of Aveiro

Calibration of capacitance tomography systems for industrial applications
Dr. W.Q. Yang
UMIST

Discussion

12:30 Lunch and Adjournment

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