410-4116/01 – Electroheat Engineering (ETT)

Gurantor departmentDepartment of Electrical Power EngineeringCredits8
Subject guarantordoc. Ing. Vladimír Král, Ph.D.Subject version guarantordoc. Ing. Vladimír Král, Ph.D.
Study levelundergraduate or graduate
Study languageCzech
Year of introduction2010/2011Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
GON72 doc. Ing. Radomír Goňo, Ph.D.
GRU0018 Ing. Martin Gruss
HRA50 prof. Ing. Zdeněk Hradílek, DrSc.
JAW144 Ing. Jiří Janša
KRA24 doc. Ing. Vladimír Král, Ph.D.
MAC0231 Ing. Tomáš Machů
MUH0004 Ing. Peter Mühl
NOV0076 Ing. Ladislav Novosád
SMO121 Ing. Martin Smoček
VAC289 Ing. Jan Vaculík
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Combined Credit and Examination 10+4

Subject aims expressed by acquired skills and competences

After passing the subject the student is able to apply the physical fundaments of heat transfer to different electroheating technological principles. The student is also able to design the way of electric heating and electric warming according to the setting. In the exercise part of the subject the student applies the theoretical findings from the lectures to the calculations of energy transfers in different technological principles. The student demonstrates practical abilities in measuring in labs. The student also demonstrates the ability of designing electroheating equipments in two programs.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Project work
Other activities

Summary

The subject includes theoretical part with applications of physical laws of heat transfer. Next it follows the complex of electric heating. It finally follows the industrial applications of resistance, induction, arc, dielectric, electron and laser principle of use the transformation of electric energy to heat.

Compulsory literature:

A.C. Metaxas: Foundations of Electroheat A Unified Approach. Book published by University of Cambridge UK 1996 . Hradílek, Z.: Modelling of a Free Burning Electric Arc by Control of the Power Programme of the Steelmaking Arc Furnace. Proceedings XII. th. Congress International Union Electroheat 1992 Montred Canada, ISBN 2-89310-121-6 Hradílek, Z.: Energy savings using reactor with controlled power regime EAF. XIII. World Congress BNCO - UIE 1996 Birningham U.K. Proceedings, ISBN 186126007X. Hradílek, Z.: Energy savings using reactor with controlled power regime EAF. Elektrowärme Int. Vulkan Verlag Essen 1997, No 4, B 154-155 BRD, ISBN 0340-3521-IK-5548F. Hradílek, Z.: Teoretical aspects of alternative proposals of electric heating. Sborník vědeckých prací VŠB TUO 1999. Hradílek, Z.: Alternative proposal of electric heating in closed spaces. U.I.E. Congress Lisabon Portugal 2000. Hradílek, Z.: at. all: Cooperation on Engineering Education Computer aided disign and Work simulation of Electric Furnaces and Heaters. International Conference ICEE 1999, Ostrava, Proceedings.

Recommended literature:

.A.C. Metaxas: Foundations of Electroheat A Unified Approach. Book published by University of Cambridge UK 1996 . Hradílek, Z.: Modelling of a Free Burning Electric Arc by Control of the Power Programme of the Steelmaking Arc Furnace. Proceedings XII. th. Congress International Union Electroheat 1992 Montred Canada, ISBN 2-89310-121-6 Hradílek, Z.: Energy savings using reactor with controlled power regime EAF. XIII. World Congress BNCO 8211; UIE 1996 Birningham U.K. Proceedings, ISBN 186126007X. Hradílek, Z.: Energy savings using reactor with controlled power regime EAF. Elektrowärme Int. Vulkan Verlag Essen 1997, No 4, B 154-155 BRD, ISBN 0340-3521-IK-5548F. Hradílek, Z.: Teoretical aspects of alternative proposals of electric heating. Sborník vědeckých prací VŠB TUO 1999. Hradílek, Z.: Alternative proposal of electric heating in closed spaces. U.I.E. Congress Lisabon Portugal 2000. Hradílek, Z.: at. all: Cooperation on Engineering Education Computer aided disign and Work simulation of Electric Furnaces and Heaters. International Conference ICEE 1999, Ostrava, Proceedings.

Way of continuous check of knowledge in the course of semester

Podmínky udělení zápočtu: Podrobný rozpis bodů z jednotlivých úkolů je v sekci studijní materiály tohoto předmětu na http://fei1.vsb.cz/kat451/studium/f_studium.htm Je nutné: Zůčastnit se měření všech laboratorních úloh a odevzdat je v daném termínu, formě a způsobem. Vypracovat zadané programy a opět je v daném termínu, formě a způsobem odevzdat. Absolvovat daný písemný test. Poznámka: Termín odevzdání jednotlivých úkolů bude vždy určen při jejich zadání. Navíc je třeba splnit ještě následující: Z každého úkolu získat minimálně 1 bod. Každý úkol je možno odevzdat pouze jednou (není možno práci postupně vylepšovat). Opravný test je možno znovu psát pouze v případě, že výsledek prvního je 0 bodů. Poznámka: Pro opravný test a jeho bodování platí jiné podmínky než pro první.

E-learning

Další požadavky na studenta

There are not defined other requirements for student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: The fundaments of heat transfer, conduction, convection and radiation. The analogy between thermal and electric field. Special constructional and material problems, the temperature measuring. The resistance electroheat. Direct and indirect heating. The calculation of heating elements. Electric heating. Infrared radiation. Induction electroheating equipments. The physical principles of heat transfer. Equipments for melting, diathermy and surface heating. Power supplies for induction heating. Dielectric electroheating equipments. Power supplies. Practical use. Microwave heating. Arc furnaces. Physical principles of electric arc. Circle diagram, unbalance of the supply. Electric equipments of industrial arc furnaces. Energy budget of arc furnaces. Welding, power supplies for welding. Plasma electroheating equipments. Examples of practical use. Electron electroheating equipments. Laser electroheating equipments. World research and up-to-date findings in Electroheat. The new results of energy budget research of electric arc at the Department of Electric Power Engineering, VŠB-TUO Exercises: Information about the requirements for passing the exercises. Safety considerations. The organization of the work in the labs. Instructions for elaboration of lab task. The physical fundaments of heat transfer. Quantities, symbols and units. The relations between mechanical and thermal energy. The heating and cooling process. The analogy between thermal and electric field. Heat conduction. The cooling of electric equipments and semiconductors. The convection and radiation. Resistance electroheating equipments. Design of the heating element. Direct and indirect resistance heating. Resistance furnaces. Calculation of the heating period. Induction electroheating equipments. Arc electroheating equipments. The circle diagram of arc furnace. Control of furnace transformer. Reactor. The short circuit of arc furnace. The design of induction furnace. Dielectric heating. Laboratories: Lab 1: Direct resistance furnace. Lab 2: Symmetrization of one-phase load Lab 3: Measure on induction furnace.

Conditions for subject completion

Full-time form (validity from: 2011/2012 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 45 (45) 20
                Laboratory works Laboratory work 10  2
                Projects Project 25  3
                Test Written test 10  1
        Examination Examination 55 (55) 11
                Written exam Written examination 33  6
                Oral Oral examination 22  5
Mandatory attendence parzicipation:

Show history
Combined form (validity from: 2011/2012 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 45 (45) 20
                Laboratory works Laboratory work 10  2
                Projects Project 25  3
                Test Written test 10  1
        Examination Examination 55 (55) 11
                Written exam Written examination 33  6
                Oral Oral examination 22  5
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2010/2011 (N2647) Information and Communication Technology (2612T025) Computer Science and Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2649) Electrical Engineering (2601R004) Measurement and Control Engineering (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2649) Electrical Engineering (2602R014) Applied and Commercial Electronics (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2649) Electrical Engineering (3901R039) Biomedical Technician (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2649) Electrical Engineering (3907R001) Electrical Power Engineering (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2647) Information and Communication Technology (1103R031) Computational Mathematics (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2647) Information and Communication Technology (2601R013) Telecommunication Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2647) Information and Communication Technology (2612R025) Computer Science and Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (B2647) Information and Communication Technology (2612R059) Mobile Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2647) Information and Communication Technology (1103T031) Computational Mathematics (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2647) Information and Communication Technology (2601T013) Telecommunication Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2647) Information and Communication Technology (2612T059) Mobile Technology (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2649) Electrical Engineering (2601T004) Measurement and Control Engineering (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2649) Electrical Engineering (2612T015) Electronics (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2649) Electrical Engineering (3901T009) Biomedical Engineering (01) Exchange Students P Czech Ostrava Optional study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering (01) Exchange Students P Czech Ostrava Optional study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner
V - ECTS - mgr. 2014/2015 Full-time Czech Optional 401 - Study Office stu. block
V - ECTS - mgr. 2013/2014 Full-time Czech Optional 401 - Study Office stu. block
V - ECTS - mgr. 2012/2013 Full-time Czech Optional 401 - Study Office stu. block
V - ECTS - mgr. 2011/2012 Full-time Czech Optional 401 - Study Office stu. block