Lectures
1.Basic terms of process modelling, classification of models according to different criteria. Physical modelling and its importance in various fields of science. System Similarity, the similarity constants. The geometric, kinematic and dynamic similarity. Dynamic similarity of hydrodynamic systems. Basic types of forces in hydrodynamics. Thermal similarity.
2.Dimensionless parameters (similarity criteria), the distribution and properties of similarity criteria. A complete physical equations, the basic equations, the criterial equations. Determination of dimensionless parameters using dimensional analysis, practical examples of using of dimensional analysis.
3. Determination of dimensionless parameters using method of similarity transformation of the basic equations. Similarity transformation of the Navier-Stokes equations.
4.Approximate physical modelling. Automodelling. Physical meaning of some similarity criteria, the issue of respecting of the identity of Fr and Re criteria. Determination of volumetric flow scales.
5. The experimental nature of physical modelling. Methods for determination of retention times, the impulse-response method, the RTD curves, flow visualization. The principles of construction of physical models. Basic experimental techniques in physical modelling of flow of liquid metals.
6. Fundamentals of flow reactors - hypothetical models of flow, plug flow, perfect mixing. Real reactor. Theoretical retention time. Curve C, curve F. A combined flow model, mean retention time, short-flow, dead volume. Dispersion flow model.
7. Theoretical principles of mathematical modelling of fluid flow phenomena. Flow of real fluids. Laminar and turbulent flow. Navier-Stokes equations and continuity equation. Mathematical models of turbulence. Computational mesh. Discretization technique.
8. CFD software systems. The procedure of numerical simulation in CFD programme ANSYS FLUENT. Preprocessing - geometry creation and generation of computational mesh, the definition of a physical model, the choice of turbulence model, setting of the operational conditions, determination of material properties and boundary conditions. Processing - Solving: the actual implementation of the calculation (stationary, nonstationary), convergence of the solution. Postprocessing - evaluation of results. Examples of using CFD programmes in practice.
9. The selection of suitable mathematical models to describe transient metallurgical processes. Empirical - mathematical and physical (adequate) - mathematical approach a solution. Theoretical foundations of the mathematical description of the transient processes. Approaches and methods for solving of approximation and regression. Parametric identification.
10. The method of planned experiment - DOE. Basic terms, objectives, utilization of planned experiment. Develop a plan of the experiment. Calculation of the effects of factors and interactions. Development of the model experiment. Software support of DOE methodology. Practical use of DOE methods.
11. Static and dynamic model of heat management in the oxygen converter. Basic management level, superior management level. The essence of a dynamic model of management, monitoring of the heat, the relevant data to manage the heat, the methods of measurement. The main features of calculating the charge for heat in oxygen converter. Innovation of melting process.
Excise (only for full-time study form)
1. Problems of steel alloying, the basic method of calculation. Build a simple balance equation. Calculating of amount of alloying elements using MS Excel, matrix methods for solving of equation system.
2. Material balance of the charge in preparing the production of high-alloy steels. Software support (P27), the calculation procedure. Solutions for specific conditions specified steel production. Material balance of oxygen converter - calculation, software support (bilance.exe), the function of the program, values setting, processing of the results in MS Excel. Metallurgical justification of the curves.
3. Steel desulfurization at different ways of slag application - theoretical foundations of steel desulfurization, sulfur partition coefficient, desulphurization with synthetic slag using multiple doses of slag, algorithm, calculation in MS Excel.
4. Test No.1. Projection of videos created by the Department of Metallurgy about the physical modelling of metallurgical processes. Excursion to the Modelling Laboratory of Department of Metallurgy.
5. Calculation of characteristic volume of the reactor from the measured values of the impulse response.
6. Analytical derivation of the F-shaped curve. Simulation for the specified boundary conditions.
7. Introduction to working with the CFD software ANSYS FLUENT. Entering the practical problems to practice the solving of the flow in a simple flow system using numerical modelling in the programme ANSYS FLUENT. Basics of geometry drawing, computational mesh generation and specification of input, output, and the walls of the modelled area. Export to CFD code ANSYS FLUENT.
8. Preparation of input values for the solution of flow in the environment of the ANSYS FLUENT CFD computational model and definitions - determining the laminar or turbulent flow in flow systems based on the award, the specification of the physical properties of flowing media, specifications of boundary and operational conditions. Solving.
9. Convergence and termination of the calculation, graphical evaluation of results - the methods of visualization of computational mesh, production profiles and current vectors of temperature, velocity and concentration fields. Sample of data results and their import into MS Excel.
10. Practical utilization of DOE methods to determine the relevant variables of lifetime of springs steel. Aproximative modelling of metallurgical processes - the practical application of Klán identification methods, utilization of solver in MS Excel.
11. Excurse to the CCM in Trinecke zelezarny - Control system of casting.
12. Compensatory exercise, the test No.2, submission programs.
To obtain credit in the combined study form is needed to develop a session project.
1.Basic terms of process modelling, classification of models according to different criteria. Physical modelling and its importance in various fields of science. System Similarity, the similarity constants. The geometric, kinematic and dynamic similarity. Dynamic similarity of hydrodynamic systems. Basic types of forces in hydrodynamics. Thermal similarity.
2.Dimensionless parameters (similarity criteria), the distribution and properties of similarity criteria. A complete physical equations, the basic equations, the criterial equations. Determination of dimensionless parameters using dimensional analysis, practical examples of using of dimensional analysis.
3. Determination of dimensionless parameters using method of similarity transformation of the basic equations. Similarity transformation of the Navier-Stokes equations.
4.Approximate physical modelling. Automodelling. Physical meaning of some similarity criteria, the issue of respecting of the identity of Fr and Re criteria. Determination of volumetric flow scales.
5. The experimental nature of physical modelling. Methods for determination of retention times, the impulse-response method, the RTD curves, flow visualization. The principles of construction of physical models. Basic experimental techniques in physical modelling of flow of liquid metals.
6. Fundamentals of flow reactors - hypothetical models of flow, plug flow, perfect mixing. Real reactor. Theoretical retention time. Curve C, curve F. A combined flow model, mean retention time, short-flow, dead volume. Dispersion flow model.
7. Theoretical principles of mathematical modelling of fluid flow phenomena. Flow of real fluids. Laminar and turbulent flow. Navier-Stokes equations and continuity equation. Mathematical models of turbulence. Computational mesh. Discretization technique.
8. CFD software systems. The procedure of numerical simulation in CFD programme ANSYS FLUENT. Preprocessing - geometry creation and generation of computational mesh, the definition of a physical model, the choice of turbulence model, setting of the operational conditions, determination of material properties and boundary conditions. Processing - Solving: the actual implementation of the calculation (stationary, nonstationary), convergence of the solution. Postprocessing - evaluation of results. Examples of using CFD programmes in practice.
9. The selection of suitable mathematical models to describe transient metallurgical processes. Empirical - mathematical and physical (adequate) - mathematical approach a solution. Theoretical foundations of the mathematical description of the transient processes. Approaches and methods for solving of approximation and regression. Parametric identification.
10. The method of planned experiment - DOE. Basic terms, objectives, utilization of planned experiment. Develop a plan of the experiment. Calculation of the effects of factors and interactions. Development of the model experiment. Software support of DOE methodology. Practical use of DOE methods.
11. Static and dynamic model of heat management in the oxygen converter. Basic management level, superior management level. The essence of a dynamic model of management, monitoring of the heat, the relevant data to manage the heat, the methods of measurement. The main features of calculating the charge for heat in oxygen converter. Innovation of melting process.
Excise (only for full-time study form)
1. Problems of steel alloying, the basic method of calculation. Build a simple balance equation. Calculating of amount of alloying elements using MS Excel, matrix methods for solving of equation system.
2. Material balance of the charge in preparing the production of high-alloy steels. Software support (P27), the calculation procedure. Solutions for specific conditions specified steel production. Material balance of oxygen converter - calculation, software support (bilance.exe), the function of the program, values setting, processing of the results in MS Excel. Metallurgical justification of the curves.
3. Steel desulfurization at different ways of slag application - theoretical foundations of steel desulfurization, sulfur partition coefficient, desulphurization with synthetic slag using multiple doses of slag, algorithm, calculation in MS Excel.
4. Test No.1. Projection of videos created by the Department of Metallurgy about the physical modelling of metallurgical processes. Excursion to the Modelling Laboratory of Department of Metallurgy.
5. Calculation of characteristic volume of the reactor from the measured values of the impulse response.
6. Analytical derivation of the F-shaped curve. Simulation for the specified boundary conditions.
7. Introduction to working with the CFD software ANSYS FLUENT. Entering the practical problems to practice the solving of the flow in a simple flow system using numerical modelling in the programme ANSYS FLUENT. Basics of geometry drawing, computational mesh generation and specification of input, output, and the walls of the modelled area. Export to CFD code ANSYS FLUENT.
8. Preparation of input values for the solution of flow in the environment of the ANSYS FLUENT CFD computational model and definitions - determining the laminar or turbulent flow in flow systems based on the award, the specification of the physical properties of flowing media, specifications of boundary and operational conditions. Solving.
9. Convergence and termination of the calculation, graphical evaluation of results - the methods of visualization of computational mesh, production profiles and current vectors of temperature, velocity and concentration fields. Sample of data results and their import into MS Excel.
10. Practical utilization of DOE methods to determine the relevant variables of lifetime of springs steel. Aproximative modelling of metallurgical processes - the practical application of Klán identification methods, utilization of solver in MS Excel.
11. Excurse to the CCM in Trinecke zelezarny - Control system of casting.
12. Compensatory exercise, the test No.2, submission programs.
To obtain credit in the combined study form is needed to develop a session project.