Course detail
Electric Arc Application
FEKT-NAELAcad. year: 2013/2014
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
Number of ECTS credits
Mode of study
Guarantor
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
Electrical arc.
Arc heaters - description, types.
Technical applications.
Modelling of thermal plasma.
Plasma diagnostics.
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
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
Šenk J., Lázničková I., Gregor J.: Aplikace elektrického oblouku. (rozpracovaná skripta)
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
Thermodynamics of high temperature processes.
Essentials of plasma diagnostics.
Properties of electric arc, voltage-current characteristics of free and stabilised electric arc, 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(destruction of undesirable materials, water purification, etc.).
Further perspective of industrial application of electric arc and thermal plasma.
Fundamentals seminar
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
Temperature profile measurement by thermocouple.
Measurement of energy balance of plasma generator, determination of mean plasma parameters.
Measurement of voltage-current characteristics of plasmatron.