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NTNU Department of Chemical Engineering

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1 NTNU Department of Chemical Engineering

2 The CARPET program Acronym for “CFD Applied to Reactor ProcEss Technology” A merged Strategic University (SUP)- and a Strategic Institute (SIP) Program Program duration : from 2001 through 2004 Total budget : 16.9 MNOK financed by NFR 5 NTNU Doctorates (and 1 NTNU PostDoc) : - Experimental characterization of dispersed multiphase flows - Modeling of dispersed multi-fluid flow in chemical reactors - Modeling of Fluidized bed reactors - Application of Large Eddie Simulation (LES) in reactor modeling - Experiments on near-interface flow phenomena 3 SINTEF research institutes (Materials Technology, Chemistry and Mathematics) 2 NTNU departments (Chemical Engineering and Energy and Process Technology)

3 Steering group: Secretary
NTNU Department of Chemical Engineering Steering group: Stein Tore Johansen, SINTEF Materialteknologi Marc Dhainaut , SINTEF Materialteknologi Harald Laux, SINTEF Materialteknologi Paal Skjetne, SINTEF Kjemi Trond Kvamsdal, SINTEF Matematikk Tor Ytrehus, NTNU Energi og prosessteknikk Hugo Jakobsen, NTNU Kjemisk prosessteknologi Hallvard Svendsen, NTNU Kjemisk prosessteknologi Secretary Elisabeth Thorbjørnsen

4 Contact team for the PhD students
Elisabeth Thorbjørnsen: -         Hallvard F. Svendsen -         Svend Grådahl -         Pål Tetlie -         Kai Hjarbo -         Knut Bech -         Marc Dhainaut Thomas Braseth: -         Stein Tore Johansen -         Reidar Kristoffersen -         Knut Bech -         Ernst Meese -         Benjamin Ravary -         Trond Kvamsdal -         Rune Engeskaug -         Carl Birger Jensen Håvard Lindborg: -         Hugo Jakobsen -         Harald Laux -         Stein Tore Johansen -         Magne Lysberg -         Leif Rune Hellevik -         Carl Birger Jensen Carlos Dorao: -         Hugo Jakobsen -         Stein Tore Johansen -         Paal Skjetne -         Marc Dhainaut -         Carl Birger Jensen Maria Fernandino: -         Tor Ytrehus -         Knut Bech -         Hallvard Svendsen -         Svend Grådahl -         Pål Tetlie -         Kai Hjarbo

5 NTNU Department of Chemical Engineering
Objectives The main goals of the program are to develop new physical models for fluid flow computations, particularly focused on models applicable to design and optimization of chemical and metallurgical processes, and to strengthen the academic education and research in these fields at NTNU and SINTEF by: Graduating a minimum of 5 doctorates within these fields and strengthen the collaboration with international research groups through exchange on doctoral and post doc. level. Developing model programs and experimental validation tools for a selection of specific applications. Establish a graduate course in advanced reactor technology and multiphase flow. Strengthen the links between the fundamental and applied research, and the Norwegian industry.

6 NTNU Department of Chemical Engineering

7 The CARPET Project – Dissemination of information
We aim at publishing a minimum of papers and contributions in refereed journals and at national and international conferences. We will arrange semi-annual seminars where the dr.ing fellows and researchers will present their work for invited industrial partners and other interested parties. Close collaboration with the NFR- and industry supported programme HiPGaS will be maintained (see

8 The CARPET Project – Results?
Improved Knowlege on: Multiphase Flow Modeling (bubbles/particles - Stratified) Population Balance Modeling (coalescence/breakup) Turbulence Modeling (single- and multiphase Flow, LES) Granular Flow Modeling Numerical Schemes (Convection, Interface, Cut-Cells, LB) Simulation and Validation of Stirred Tanks (Stirrer/Heat) Experimental Techniques (Fluid Particles, Interface, bulk) Discrete Element Method (DEM) Project Administration!

9 The CARPET Project – Results?
Number of Journal Publications: 8 List of student contributions: A Numerical Study of the Interactions Between Viscous Flow, Transport and Kinetics in Fixed Bed Reactors Jakobsen, H. A., Lindborg, H. and Handeland, V. Computers & Chemical Engineering, 26 (3), , 2002. Number of Conference Presentations: 9 Parallelization and Performance Optimization of a Dynamic CFD Reactor Model Lindborg, H., Eide, V., Unger, S., Henriksen, S. T. and Jakobsen, H.A. CHISA 2002, Prague, Czech Republic, August 25-29, Paper no. E6.3. Numerical Analysis and Experimental Validation of Bubble Size Distributions in Two-Phase Bubble Column Reactors Bertola, F., Grundseth, J., Hagesæther, L., Dorao, C., Luo, H., Hjarbo, K. W., Svendsen, H. F., Vanni, M., Baldi, G. and Jakobsen, H. A. 3rd European-Japanese Two-Phase Flow Group Meeting, Certosa di Pontignano, September 21-27th, 2003. Reports: 6 Compendium on Multiphase Flow Modeling

10 The CARPET Project – PhD Courses
Chemical Engineering: - Reactor Technology (1) - Advanced Reactor Modeling (2) - Industrial Colloid Chemistry (1) Mechanical Engineering: - Viscous Flow and Turbulence (1) - Experimental Methods in Process Engineering (1) - Multiphase Flow Modeling (3) - Turbulence (1) - Rheology and non-Newtonian Fluids (1) - Computational Heat and Fluid Flow (4) - Advanced Computational Fluid Dynamics (4) Language and communication studies (Institutt for Språk og kommunikasjonsstudier) - Scientific Writing and Oral Presentation (1) Informatics, Matematics and Electronics (IME): - Introduction to Supercomputing (3) Self Study: A study of bubbles, drops and particles (1) Modeling of dispersed fluid particle transport and interaction phenomena (1) Modeling of Turbulence in Multiphase Flow (1) Granular Theory (1) Introduction to measurement techniques (von Karman Institute) (2)

11 The HiPGaS Project – PhD Courses
Physics: - Classical Transport Theory (1) Chemical Engineering: - Reactor Technology (1) - Advanced Reactor Modeling (1) - Industrial Colloid Chemistry (1) - Applied Thermodynamics (1) - Fluid Phase Equilibria (1) Mechanical Engineering: - Viscous Flow and Turbulence (1) - Multiphase Flow Modeling (1) - Turbulent Flow (1) - Computational Heat and Fluid Flow (2) - Advanced Computational Fluid Dynamics (1) Self Study: A study of bubbles, drops and particles (2) Modeling of dispersed fluid particle transport and interaction phenomena (1) A study of gas-droplet flow in separator units (1) Selected Topics on Measuring Techniques (1) Laboratory Course on Instrumentation and Control (1) Safety and Hazop analyzes (1) Information Search (2) Research Dissemination (1) Introduction to measurement techniques (von Karman Institute) (1) Phase Equilibria in the Chemical, Biochemical and Petroleum Industries (DTU) (1) Language and communication studies - Scientific Writing and Oral Presentation (2) Chemistry: Statistical Thermodynamics and Computer Simulations (1) Thermodynamics of Hydrocarbon Mixtures (1)

12 Common fields of interest
Bubble column Investigations: bubble coalescence bubble breakup population balance flow pattern Coherent structures High pressure Separation equipment Investigations: droplet coalescence droplet breakup droplet entrainment droplet deposition high pressure system flow pattern Thermodynamics population balance Global and meso- scale separation efficiency Fluidized bed reactor Investigations: particle interaction Reactions Flow pattern Heat Transport Component Transport High pressure Coherent structures injection (gas / droplets) injection (gas) Stirred Tank Investigations: bubble coalescence bubble breakup population balance Flow pattern Heat Transport Experiments Techniques: PIV / PTV Probes LDV Techniques: PIV / PTV Probes LDV Experiments

13 CARPET and HiPGaS Ph.D. students
Macro scale Scrubber Reactors Trond Austrheim Thomas Braseth Håvard Lindborg Cecilie Gotaas Alexandre Brigadeau Carlos Dorao Elisabeth Torbjørnsen Meso scale Particle collision Film draining Coalescence Breakup Deposition Entrainment Maria Fernandino Thomas Helsør Kurt Schmidt Micro scale Marangoni effect Colloid chemestry Coalescence

14 The CARPET Project – Initial Budget
SINTEF NTNU Main activities Total 5 Dr.ing SINTEF: M.T SINTEF: A.C SINTEF: A.M Post Doc Progr. Mangm Conf. & travel Equipment Contingencies Total

15 The CARPET Project – Budget November 2003

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