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Course info
KEE / ETS
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Course description
Department/Unit / Abbreviation
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KEE
/
ETS
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Academic Year
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2018/2019
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Academic Year
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2018/2019
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Title
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Electroheat in Mechanical Engineering
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Form of course completion
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Exam
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Form of course completion
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Exam
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Accredited / Credits
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Yes,
4
Cred.
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Type of completion
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Combined
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Type of completion
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Combined
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Time requirements
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Lecture
2
[Hours/Week]
Tutorial
2
[Hours/Week]
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Course credit prior to examination
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Yes
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Course credit prior to examination
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Yes
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Included in study average
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YES
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Language of instruction
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Czech
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Occ/max
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Summer semester
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0 / -
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0 / -
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0 / -
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Included in study average
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YES
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Winter semester
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0 / -
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16 / -
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0 / -
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Repeated registration
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NO
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Repeated registration
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NO
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Timetable
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Yes
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Semester taught
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Winter semester
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Semester taught
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Winter semester
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Minimum (B + C) students
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10
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Optional course |
Yes
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Optional course
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Yes
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Language of instruction
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Czech
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Internship duration
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0
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No. of hours of on-premise lessons |
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Evaluation scale |
1|2|3|4 |
Periodicity |
každý rok
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Evaluation scale for credit before examination |
S|N |
Periodicita upřesnění |
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Fundamental theoretical course |
No
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Fundamental course |
No
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Fundamental theoretical course |
No
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Evaluation scale |
1|2|3|4 |
Evaluation scale for credit before examination |
S|N |
Substituted course
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None
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Preclusive courses
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N/A
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Prerequisite courses
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N/A
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Informally recommended courses
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N/A
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Courses depending on this Course
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N/A
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Histogram of students' grades over the years:
Graphic PNG
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XLS
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Course objectives:
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The main objectives of this subject are to make students familiar with the problems of theory and application of transformation of electric energy into useful heat in the area of modern production technologies in mechanical engineering.
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Requirements on student
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Credit: Participation in laboratory measurements and elaboration of papers. Exam: Knowledge in physical fundamentals and their applications.
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Content
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Programme of lectures 1. Introduction to electroheat 2. Transformation of electric energy in useful heat, applications, advantages 3. Heat transfer in electrothermal processes, theory and applications 4. Induction heating - melting 5. Induction heating - warming-through, surface hardening 6. Right choice of frequency, heating of ferromagnetic materials 7. Dielectric and microwave heating 8. Resistance heating 9. Arc heating, plasma heating 10. Electron beam heating, laser heating 11. Electrothermal processes energy intensity 12. Power supplies for electrothermal equipment, reverse forces on supply network, 3E criterion evaluation 13. Modern electrothermal technologies (melting, surface hardening, hot forming
Programme of tutorials 1. Introduction to laboratory measurements 2. Introduction to laboratory measurements, safety rules 3. Laboratory measurement 1-6 4. Laboratory measurement 1-6 5. Laboratory measurement 1-6 6. Laboratory measurement 1-6 7. Laboratory measurement 1-6 8. Laboratory measurement 1-6 9. Inference of equations of electrodynamic potential for numerical calculations 10. Inference of Fourier-Kirchhoff equation for numerical calculations 11. Illustration of induction heating numerical calculation 1 12. Illustration of induction heating numerical calculation 2 13. Credit
Laboratory measurements 1-6 1. Calibration of thermocouples 2. Temperature field of infra heaters 3. Temperature field of radiant panels 4. Efficiency of electrothermal sources for food preparation 5. Symmetrization 6. Shielding influence on coil inductance
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Activities
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Fields of study
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Guarantors and lecturers
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Literature
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-
Recommended:
Rada, Josef. Elektrotepelná technika. 1. vyd. Praha : SNTL, 1985.
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Recommended:
Langer, Emil. Elektrotepelná technika. 1. vyd. Plzeň : VŠSE, 1969.
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Recommended:
Langer, Emil. Elektrotepelná technika. část I, II, Společné základy, elektrické pece odporové. 2. vyd. Plzeň : VŠSE, 1974.
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Recommended:
Langer, Emil; Kožený, Jiří. Elektrotepelná zařízení indukční : základy teorie, výpočty a konstrukce. 1. vyd. Plzeň : VŠSE, 1982.
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Recommended:
Kegel, K. Elektrowärme. Theorie und Praxis. Cornelsen Verlag GmbH + C, 1994. ISBN 377360355X.
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Recommended:
Rudnev, Valery. Handbook of induction heating. New York : Marcel Dekker, 2003. ISBN 08247-0848-2.
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Recommended:
Starck, Axel von; Mühlbauer, Alfred; Kramer, Carl. Handbook of thermoprocessing technologies : fundamentals, processes, components, safety. Essen : Vulkan-Verlag, 2005. ISBN 3-8027-2933-1.
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Recommended:
Linda, Josef; Mühlbacher, Jan. Návody ke cvičení z elektrického tepla II. 1. vyd. Plzeň : ZČU, 1993. ISBN 80-7082-088-8.
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Recommended:
Langer, Emil. Teorie indukčního a dielektrického tepla. Praha : Academia, 1979.
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On-line library catalogues
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Time requirements
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All forms of study
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Activities
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Time requirements for activity [h]
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Contact hours
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26
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Practical training (number of hours)
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26
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Preparation for laboratory testing; outcome analysis (1-8)
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8
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Preparation for an examination (30-60)
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30
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Preparation for comprehensive test (10-40)
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15
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Total
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105
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
Basic knowledge in general electrical engineering. |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
Students will understand the importance and advantages of electrothermal processes used in mechanical engineering for melting, hot forming and surface hardening; they will get familiar with possibilities of analytical and numerical problem solving in the area of electroheat. |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Oral exam |
Written exam |
Test |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Lecture supplemented with a discussion |
Laboratory work |
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