Course detail

Electric Arc Application

FEKT-MAELAcad. year: 2019/2020

Basic orientation in problems of technical application of plasma, survey of essential diagnostic methods and apparatuses for estimation of plasma parameters. Information on technical means with switching electric arc, on plasma generators and their operation, on plasma modification of materials and their properties with special respect to environmental friendly technologies.

Learning outcomes of the course unit

Basic knowledge necessary for development, design, and operation of devices using thermal plasma produced by electric arc for technology purpose.
Graduate from this subject is able to:
- define plasma, lowtemperature plasma and enumerate the basic plasma properties,
- orient in problems of plasma technology.
- describe the man parts of arc heater - device generated thermal plasma.


The subject knowledge on the Bachelor´s degree level is requested.


Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.
Teaching methods include lectures, numerical exercises. Course is taking advantage of e-learning (Moodle) system.
There are continuous tests in the numerical exercises.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Language of instruction


Work placements

Not applicable.

Course curriculum

1. Plasma, plasma types, thermal plasma, plasma temperature, plasma composition.
2. Thermodynamic properties of thermal plasma.
3. Transport properties of thermal plasma.
4. Electrical arc, V-A characteristic of arc, mathematical description of V-A characteristic.
5. Electrical arc in switching, arc quenching, heavy current, interactive and dielectric interval.
6. Arc heaters - description, types of arc heaters, stabilization of electric arc, theory and construction of arc heaters.
7. Basis of mathematical and physical modelling of electric arc, simplified model of electric arc.
8. Basis of diagnostc of plasma. Indirect method of determination of intermediate temperature and speed of plasmajet in the arc heater exit.
9. Mathematical and physical description of plasma processes, design of the arc heater.
10. Fitting of the arc heater, cooling system, gas system, measurements in working order.
11. Plasma applications.


To provide students with essential information on direct technological application of electric arc, on problems of switching arc, on theory and design of plasma generators, on properties of plasma, and on some plasma technologies.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Classification of course in study plans

  • Programme EEKR-M1 Master's

    branch M1-EEN , 2. year of study, winter semester, 5 credits, optional specialized

Type of course unit



26 hours, optionally

Teacher / Lecturer

Fundamentals seminar

14 hours, compulsory

Teacher / Lecturer

Laboratory exercise

12 hours, compulsory

Teacher / Lecturer