| Course Unit Code | 542-0056/01 |
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| Number of ECTS Credits Allocated | 4 ECTS credits |
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| Type of Course Unit * | Compulsory |
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| Level of Course Unit * | Second Cycle |
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| Year of Study * | First Year |
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| Semester when the Course Unit is delivered | Summer Semester |
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| Mode of Delivery | Face-to-face |
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| Language of Instruction | Czech |
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| Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
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| Name of Lecturer(s) | Personal ID | Name |
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| ZEG50 | prof. Ing. Jiří Zegzulka, CSc. |
| Summary |
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Bulk materials (generally, particle systems) are now in technical and scientific the most dynamically developing discipline. The literature even a discussion on the definition of a new phase, because their properties and physical manifestations differs from all known forms of matter. 40% of all funds for Research of the European Union towards the area of bulk materials (micrometer and nanometric particles). In this course, students will be bulk familiar with the general approach to describe the processes occurring in bulk Fuels and their applications in transport, storage and production. Such a general concept of bulk materials, which are studied and described changes in the form particulate materials in the form of mathematical and physical models is necessary for ongoing intensive development and growth of information industry. This point of view is necessary for understanding new information and work on innovative entrepreneurship. This allow students the idea of the possibilities of traditional practices and development directions of the field and timely response to possible developments. The Course changes will be characterized by bulk properties, such as accompanying conditions of transport, production and storage. On the contrary, the changes in mechanical physical properties of bulk materials in time, you can identify the typical signs and traffic process that preceded them.
The lectures are devoted to the description of mechanical-physical and geometrical properties of bulk materials and interpretation of changes in mechanical processes. Students will acquire sufficient information for the proper choice of transport and storage depending on the characteristics of the manufacturing process of bulk materials for many applications (such as cement, wood chips, gravel, plastic granules, cocoa, coal powder, carbon black, wheat). |
| Learning Outcomes of the Course Unit |
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The mechanics and properties of particulate matter is the subject that is constantly evolving and naturally integrates new technical knowledge. At the present stage it is mainly the knowledge of the structure and properties of particulate matter and the digital shift. Bulk solids materials were taken in history as a part of fluid mechanics, mechanics of mass points, continuum. The separate scientific discipline is currently being intensively developed.
The aim of the course material is loose introduction to the more general approach to describe the processes occurring in the bulk masses and their applications in transport, storage and production. Such a general concept of bulk materials, which are studied and described changes in the form particulate materials in the form of mathematical and physical models is necessary for ongoing intensive development and growth of information industry. |
| Course Contents |
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1. Logistics of bulk solids, definition of ideal bulk solids, definition of bulk solids, defining differences between basic states of matter, criteria for the choice of transport or process systems for bulk solids
2. Geometric properties of bulk solids, granulometry, morphology, methodology and assessment theory (Gauss, RRSB, logarithmic distribution and other statistics)
3. Mechanical-physical properties of bulk solids, characteristic variables, influence on flow and pressure curves, the principle of a linear shear device, equations, the principle of rotary shear device and other constructions
4. Methods of internal friction angle measurements, energetic conception, determination of the influence of partial physical quantities on mechanical-physical properties of bulk solids
5. The extent of influence of individual physical quantities on mechanical-physical properties of bulk solids, e.g. moisture, shape, mechanical bonds, electrical bonds, Roscou diagram, construction, principle, application
6. General model of pressure distribution in bulk solids, traditional and modern models. Pressure distribution solution method by Jansen, Rankin and Pascal
7. Ideal bulk material, deepening of connections, piston flow mechanism (first one), definition, description, boundary conditions, casing flow mechanism (second one), definition, description, boundary conditions
8. Pressure peak, model of origin, technical consequences. Pulse characteristics during the flow of bulk solids, the wall frequencies.
9. Flow disturbances of bulk solids, static and dynamic arch. Mass and core flow, Jenike's theory of mass flow, application of ideal bulk material
10. Application of bulk solids properties in the design of transport, process and storage facilities, bulk material pressing (Balšin equation)
11. Application of bulk solids properties in the design of transport, process and storage facilities, bulk material pressing (Balšin equation)
pneumatic transport
12. Procedure for design of crushers and mills, theory of crushing, degradation and compression, granulation
13. Criteria for selecting a suitable conveyor and conveyor system for bulk solids, monitored transport requirements, procedure
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| Recommended or Required Reading |
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| Required Reading: |
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GELNAR, Daniel a Jiri ZEGZULKA. Discrete Element Method in the Design of Transport Systems. Cham: Springer International Publishing, 2019. DOI: 10.1007/978-3-030-05713-8. ISBN 978-3-030-05712-1.
SCHULZE, Dietmar. Flow Properties of Powders and Bulk Solids. 2011.
JALURIA, Y. Advanced Materials Processing and Manufacturing. Springer, 2017. ISBN 978-3-319-76983-7.
KUMAR, K., ZINDANI, D., DAVIM J. Paulo. Advanced Machining and Manufacturing Processes. Springer, ISBN
978-3-319-76075-9. |
FEDA, Jaroslav. Základy mechaniky partikulárních látek. 1. vyd. Praha: Academia, 1977, 347 s. ISBN Základy
mechaniky partikulárních látek.
ZEGZULKA, Jiří. Mechanika sypkých hmot. Vyd. 1. VŠB - Technická univerzita, 2004. ISBN 978-802-4806-990.
SCHULZE, Dietmar. Flow Properties of Powders and Bulk Solids. 2011.
JALURIA, Y. Advanced Materials Processing and Manufacturing. Springer, 2017. ISBN 978-3-319-76983-7. |
| Recommended Reading: |
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MERKUS, H., G., MEESTERS, Gabriel, M., H. Production, Handling and Characterization of Particulate
Materials. Springer International Publishing. 2015. ISBN: 9783319209494.
SHAHINPOOR, M. Advances in the mechanics and the flow of granular materials volume I. TRANS TECH PUBLICATIONS, 1983. ISBN 0-87849-049-3.
SHAHINPOOR, M. Advances in the mechanics and the flow of granular materials volume II. TRANS TECH PUBLICATIONS, 1983. ISBN 087849-050-7.
JENIKE, A.W. Gravity flow of bulk solids. Utah, Salt Lake City, Bulletin of the University of Utah, Vol. 52., No.29. 1961. |
MERKUS, H., G., MEESTERS, Gabriel, M., H. Production, Handling and Characterization of Particulate
Materials. Springer International Publishing. 2015. ISBN: 9783319209494.
KUMAR, K., ZINDANI, D., DAVIM J. Paulo. Advanced Machining and Manufacturing Processes. Springer, ISBN
978-3-319-76075-9.
Zegzulka J.: Vliv mechanicko-fyzikálních vlastností sypkých hmot na konstrukci dopravních, úpravnických a skladovacích zařízení, Habilitační práce
Časopisy – Granularmater, Schütgut, bukl-solids-handling, bukl–solids-processing, Logistika a další |
| Planned learning activities and teaching methods |
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| Lectures, Tutorials, Experimental work in labs |
| Assesment methods and criteria |
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| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
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| Credit and Examination | Credit and Examination | 100 (100) | 51 |
| Credit | Credit | 40 | 21 |
| Examination | Examination | 60 | 31 |