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.
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.