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Lecturer(s)
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Zatloukal Martin, prof. Ing. Ph.D., DSc.
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Course content
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1. Time dependence of stresses and their mathematical description. 2. Strain rate tensor and its invariants. 3. Uniaxial, planar and biaxial extensional flow. 4. Rouse relaxation time. 5. Flow modeling during polymer processing, practical examples. 6. Flow analysis during injection moulding, role of shear and extensional viscosity on flow stability. 7. Effect of matrix rheology on fiber orientation during injection moulding. 8. Stability of multicomponent injection moulding, pseudo-concentration model. 9. Flow analysis for fiber spinning process. 10. Flow analysis for meltblown process. 11. Flow analysis for cast film process. 12. Flow analysis for film blowing process. 13. Flow analysis for thermoforming and blow molding. 14. Optimization of the process of cooling extrudates.
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Learning activities and teaching methods
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- Preparation for examination
- 120 hours per semester
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| learning outcomes |
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| Knowledge |
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| The student demonstrates knowledge of the mathematical description of basic rheological characteristics. |
| The student demonstrates knowledge of the mathematical description of basic rheological characteristics. |
| The student will demonstrate knowledge of solving flow problems associated with the processing of polymer materials by extrusion and injection molding. |
| The student will demonstrate knowledge of solving flow problems associated with the processing of polymer materials by extrusion and injection molding. |
| Skills |
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| The student calculates the basic flow characteristics and evaluates the character/stability of the flow. |
| The student calculates the basic flow characteristics and evaluates the character/stability of the flow. |
| The student can use the knowledge and results from flow modeling to optimize the molecular structure of polymer materials, process conditions and the design of production machines and equipment for polymer processing. |
| The student can use the knowledge and results from flow modeling to optimize the molecular structure of polymer materials, process conditions and the design of production machines and equipment for polymer processing. |
| teaching methods |
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| Knowledge |
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| Lecturing |
| Lecturing |
| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
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| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Written examination |
| Written examination |
| Analysis of works made by the student (Technical products) |
| Analysis of works made by the student (Technical products) |
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Recommended literature
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AGGASANT, J.F., AVENAS, P., CARREAU, P., VERGNES, B., VINCENT, M. Polymer Processing: Principles and Modeling. Munich: Hanser Publishers, 2017.
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BAIRD, D.G., COLLIAS, D.I. Polymer Processing: Principles and Desing (2nd ed.). Hoboken, New Jersey, 2014.
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Bird, R. B., Armstrong, R. C., Hassager, O. Dynamics of Polymeric Liquids, Volume 1 - Fluid Mechanics. New York : Wiley, 1987. ISBN 047180245X.
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KANAI, T., CAMPBELL, G.A. Film Processing Advances. Hanser Publishers, 2014.
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TADMOR, Z., GOGOS, C.,G. Principles of polymer processing (2nd ed.). Hoboken, New Jersey, 2006.
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