Course detail
Electric Arc Application
FEKT-MAELAcad. year: 2015/2016
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.
Language of instruction
Czech
Number of ECTS credits
5
Mode of study
Not applicable.
Guarantor
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.
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.
Prerequisites
The subject knowledge on the Bachelor´s degree level is requested.
Co-requisites
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.
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.
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.
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.
Work placements
Not applicable.
Aims
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.
Recommended optional programme components
Not applicable.
Prerequisites and corequisites
Not applicable.
Basic literature
Not applicable.
Recommended reading
Bárta K., Vostracký Z.: Spínací přístroje velmi vysokého napětí. SNTL, Praha 1983
Boulos M.J., Fauchais P., Pfender E.: Thermal Plasmas Fundamentals and Applications. Vol. 1. Plenum Press, New York and London 1994
Browne T.E. (Junior): Circuit Interrruption, Theory and Techniques. Marce Dekker, INC, New York and Basel 1984
Boulos M.J., Fauchais P., Pfender E.: Thermal Plasmas Fundamentals and Applications. Vol. 1. Plenum Press, New York and London 1994
Browne T.E. (Junior): Circuit Interrruption, Theory and Techniques. Marce Dekker, INC, New York and Basel 1984
Classification of course in study plans
Type of course unit
Lecture
26 hod., optionally
Teacher / Lecturer
Syllabus
Characteristics of plasma as the fourth state of aggregation of matter, thermal plasma, possibilities of non-thermal plasma generation, thermodynamical plasma parameters.
Thermodynamics of high temperature processes.
Essentials of plasma diagnostics.
Properties of electric arc, voltage-current characteristics of free electric arc and of stabilised one, mathematical description of voltage-current characteristics, interaction between electric arc and magnetic field.
Switching electric arc, hv and vhv devices, extinguishing process, heavy current, interaction, and dielectric intervals.
Elements of mathematical-physical modelling of quenching process.
Plasma torches, methods of stabilisation of arc, theory and design of torches.
Mathematical and physical description of processes in plasmatrons, the design of plasma generator.
Supporting technological circuits of plasmatrons, water cooling system, gas handling, operational measurements.
Plasma technology of surface modification of products, of transformation of material properties, and of production of new materials with special properties.
Thermal plasma technology of decomposition of very stable ecologically harmful wastes.
Ecological application of electric discharge for destruction of undesirable materials, for water purification, etc.
Further perspective of industrial application of electric arc and thermal plasma.
Thermodynamics of high temperature processes.
Essentials of plasma diagnostics.
Properties of electric arc, voltage-current characteristics of free electric arc and of stabilised one, mathematical description of voltage-current characteristics, interaction between electric arc and magnetic field.
Switching electric arc, hv and vhv devices, extinguishing process, heavy current, interaction, and dielectric intervals.
Elements of mathematical-physical modelling of quenching process.
Plasma torches, methods of stabilisation of arc, theory and design of torches.
Mathematical and physical description of processes in plasmatrons, the design of plasma generator.
Supporting technological circuits of plasmatrons, water cooling system, gas handling, operational measurements.
Plasma technology of surface modification of products, of transformation of material properties, and of production of new materials with special properties.
Thermal plasma technology of decomposition of very stable ecologically harmful wastes.
Ecological application of electric discharge for destruction of undesirable materials, for water purification, etc.
Further perspective of industrial application of electric arc and thermal plasma.
Fundamentals seminar
14 hod., compulsory
Teacher / Lecturer
Syllabus
Essential thermodynamical relations, material properties of gas media, work with thermodynamical dependencies.
Basic relations for transport of mass, momentum, and energy, momentum conservation equation, flowing and turbulence.
Determination of plasma parameters, optical, spectral, and probe diagnostic methods.
Evaluation of enegy balance of plasmatron.
Energy balance of high temperature thermocouple.
Application of spectral methods, Abel´s transformation.
Magnetic field of coil systems in dynamic regime.
Basic relations for transport of mass, momentum, and energy, momentum conservation equation, flowing and turbulence.
Determination of plasma parameters, optical, spectral, and probe diagnostic methods.
Evaluation of enegy balance of plasmatron.
Energy balance of high temperature thermocouple.
Application of spectral methods, Abel´s transformation.
Magnetic field of coil systems in dynamic regime.
Laboratory exercise
12 hod., compulsory
Teacher / Lecturer
Syllabus
Spectroscopic diagnostics of radiation of plasma of electric discharge.
Temperature profile measurement by thermocouple.
Measurement of energy balance of plasma generator, determination of mean plasma parameters.
Measurement of voltage-current characteristics of plasmatron.
Temperature profile measurement by thermocouple.
Measurement of energy balance of plasma generator, determination of mean plasma parameters.
Measurement of voltage-current characteristics of plasmatron.