International Scientific Colloquium May 28-29, 1999 |
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Laboratory for Mathematical Modelling of Environmental and Technological Processes, University of Latvia |
Latvian Council of Science |
Institute for Electroheat, University of Hannover |
ABB Industrietechnik AG |
"Center for Process Analysis and Research", Ltd. |
Programm Comitee:
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Organising Comitee:
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Photos of Colloquium:
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Proccedings of Colloquium:
241 pages
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Program of Colloquium:
May 28 | |||
Opening lecture | |||
Mathematical Modelling - Development and Possibilities | Prof. J.Mikelsons | Latvia | |
Session “Crystal Growth Processes” Chairman:
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Segregation During Bridgman Crystal Growth in Space with an Axial Magnetic Field | N. Ma
J.S. Walker |
USA | |
Convective Cooling of Floating Zone Silicon Crystal During Growth | T.L. Larsen
A. Lüdge H. Riemann L. Jensen A. Nielsen M.P. Sorensen |
Denmark
Germany | |
Numerical Modelling of the Influence of Different Types of Magnetic Fields on Fluid Motion and Resistivity Profiles During FZ-Silicon Crystal Growth | G. Raming
A. Muiznieks A. Mühlbauer |
Germany | |
3D Modelling of Magnetic, Temperature, Hydrodynamic and Dopant Concentration Fields During FZ Silicon Crystal Growth | G. Ratnieks
A. Muiznieks G. Raming A. Mühlbauer L. Buligins |
Latvia
Germany | |
The Influence on the Liquid by a Combination of Two Different Types of Electromagnetic Fields as a New Method Used to Control the Heat/Mass Transfer in Metallic and Semiconductor Melts | M. Abricka
Y. Gelfgat J. Krumins |
Latvia | |
Numerical Modelling of Melt Flow During Czochralski Silicon Crystal Growth | J. Virbulis
T. Wetzel A. Muiznieks G. Raming B. Rexer E. Dornberger W. von Ammon A. Mühlbauer |
Germany | |
The Use of High Frequency Rotating Magnetic Fields in Crystal Growth | L. M.
Witkowski Ph. Marty J.S. Walker |
USA | |
Session 2
“Heat and Mass Transfer Processes” Chairman:
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Liquid Metal Turbulent Flow Dynamics in a Cylindrical Container with Free Surface: Experiment and Numerical Analysis | A.
Bojarevics V. Bojarevics Y. Gelfgat K. Pericleous |
UK
Latvia | |
Influence of Furnace Arrangement on the Melt Flow and the Thermal Behaviour of the Melt in an Induction Furnace with Cold Crucible | F. Bernier
M. Vogt A. Mühlbauer |
Germany | |
Hydro-Thermal Simulation of Neutron Spallation Source Mercury Target Model | L. Buligins
I. Platnieks |
Latvia | |
Optimization of MHD Processes in an Aluminum Reduction Cell | J.E. Freibergs | Latvia | |
Stability of Diffusion Fronts of Magnetic Particles in Hele-Shaw Cell Under Hydrodynamic Dispersion | H. Rjabovs
A. Cebers |
Latvia | |
Heat and Mass
Transfer in the Turbulent Melt Flow of the Crucible Inductor
Furnace sters |
E. Baake
A. Mühlbauer B. Nacke |
Germany | |
Poster
Session
Chairmens:
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“Crystal Growth Processes” | Convection in the GaAs Melt at the Czochralski Method | K.
Boettcher W. Miller U. Rehse |
Germany |
Some Aspects of Numerical Modelling of Turbulent Low-Re Melt Flow During CZ Silicon Single Crystal Growth | A. Krauze
A. Muiznieks Th. Wetzel G. Raming A. Mühlbauer L. Buligins J. Virbulis |
Latvia
Germany | |
Simplified Model for Microscopic Instabilities of Crystallization Process During <111> FZ-Silicon Crystal Growth | I.
Madzhulis A. Muiznieks G. Raming A. Mühlbauer |
Latvia
Germany | |
“Heat and Mass Transfer Processes” | Effects of DC Field-Enhanced Heat and Mass Transfer on NOx Formation in a Flame Flow | M. Zake
M. Purmals |
Latvia |
Special Finite-Difference Approximations of the System of MHD Equations for Viscous Incompressible Fluid | H. Kalis | Latvia | |
Change of Conductivity of Fireproof Material by Metal Vapour in Presence of Temperature Gradient | A. Jakovics
I. Madzhulis V. Frishfelds B. Nacke |
Latvia
Germany | |
Acetylation of Solid Wood and Modelling of Acetic Anhydride Diffusion | A. Morozovs
A. Aboltins |
Latvia | |
„Technology for Environment Protection“ | Combined Applications of Thermography, Heat Transfer Measurement and Heat Consumption Modelling in the Reconstruction of Buildings | A. Jakovics
S. Gendelis H. Trümmann J. Virbulis |
Latvia Germany |
Standardised Measurement of Heat Transfer Coefficient of Finished Building Structures in the Heat Chamber | A. Jakovics
L. Shnidere S. Gendelis M. Krumins |
Latvia | |
Determination of Tides in the Gulf of Riga and Baltic Sea | M. Keruss
J. Sennikovs |
Latvia | |
Modelling Littoral Drift along Latvian and German Coasts | R.
Grzhibovskis U. Bethers J. Sennikovs |
Latvia | |
Model Calibration Using Recurrent Neural Networks | O. Schleider | Germany | |
The Comparison of the Efficiency of Enhanced Heat Exchange Surfaces | V. Rifert
A. Gorin |
Ukraine | |
„Electromagnetic Processes“ | Application of FEM for Magnetic Force Calculation between Ferromagnetic Spheres | S. Lacis
O. Volkova G. Bossis |
Latvia
France |
Instability of Solid and Liquid Electroconductive Bodies Levitating in the Electromagnetic Field of High Frequency | Y. Gelfgat
A. Mikelsons A. Romancuks |
Latvia | |
Nonlinear Effects in the Technologies of High Frequency Heating of Ferrous Strip | V.
Demidovitch F. Tchmilenko M. Zlobina |
Russia | |
May 29 | |||
Session 3
„Technology for Environment Protection“ Chairman:
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Hydrological Studies in Latvia: a Challenge for Modeller | U. Bethers | Latvia | |
A Diffusion Model for Desorption of Hazardous Components from Solids | B. Niemeyer
X. Luo |
Germany | |
Automatic Remote Energy Monitoring of Operational Devices | H. Trümmann
A. Mühlbauer |
Germany | |
Temperature Oscillation Measurement Techniques for Thermal Diffusivity and Conductivity | W.
Czarnetzki A. Roetzel |
Germany | |
Session 4
„Electromagnetic Processes“ Chairman:
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New Development of High-Powered Channel Inductors for Melting Brass | B. Nacke
K.-H. Idziok A. Walther |
Germany | |
Thermal Deformation of the Strip During Transverse Flux Induction Heating | A. Ruhnke
A. Mühlbauer A. Nikanorov V. Demidovitch |
Germany
Russia | |
Optimal Design of Inductors for Special Applications | M.
Battistetti F. Dughiero S. Lupi |
Italia | |
Closing Session | |||
Awarding of the best posters | Conclusion speeches | ||
Software demonstrations in the Laboratory for Mathematical Modelling of Environmental and Technological Processes | Z. Krievans
S. Gendelis A. Jakovics |
Latvia |