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Industrial furnaces

Type of study Bachelor
Language of instruction Czech
Code 635-2050/01
Abbreviation PP
Course title Industrial furnaces
Credits 7
Coordinating department Department of Thermal Engineering
Course coordinator Ing. Mario Machů, Ph.D.

Subject syllabus

1. Brief overview of thermomechanics - basic laws and principles. Heat transfer - basic equations and equations for stationary and non-stationary heat conduction, radiation and convection. Combined heat transfer. Hydromechanics - statics and dynamics - most commonly used equations in fluid flow.
2. Thermophysical properties of materials. Thermal conductivity coefficient, specific heat capacity, density, thermal conductivity coefficient, viscosity. Enthalpy. Emissivity. Heat of Combustion, calorific value.
3. Heat exchange in the furnace working area - external and internal heat transfer. Convective and radiant heat flux. Biot's criteria.
4. Methods of heating materials. Heating of thin bodies. Heating of thick bodies. Heating time calculations. Heating modes of metals. Rapid heating.
5. Technological principles of material heating. Thermal stresses. Effect of heating time and temperature on the formation of scaling and opal. Heating in protective atmospheres, controlled and working atmospheres.
6. Heating systems in furnaces. Resistance heating. Induction heating. Plasma heating. Electron heating. Dielectric heat. Microwave heating. Infrared heating. Laser heating. Electric arc. Burners.
7. Brief overview of refractories for furnace systems. Classification, properties, applications.
8. Basic overview of heat exchangers most commonly used in industrial applications. Types of heat exchangers. Use of recuperators and regenerators. Basic numerical relationships.
9. Temperature and pressure measurements in furnace and piping systems. Flow measurement. Overview of basic sensors. Flue gas analysers.
10. Industrial furnaces. Classification of furnaces according to technological purposes, heat sources and working space. Furnace performance and efficiency. Melting furnaces - blast furnace, cupola, converter. Electric arc furnaces.
11. Industrial furnaces - induction furnaces, electron furnaces, plasma furnaces. Heating furnaces - deep, chamber, blast, step, carousel. Heat treatment furnaces - continuous and hatch furnaces. Microwave and dielectric heating furnaces.
12. Demonstration of heating and cooling of material. Temperature measurement. Use of protective atmosphere. Data processing.

Literature

1. TRINKS, W. at al. Industrial Furnaces. 6. vyd. Wiley-Interscience, 2003. 496 s. ISBN: 978-0471387060 .

Advised literature

1. DESHMUKH, Yeshvant V. Industrial Heating. Principles, Techniques, Materials, Applications, and Design. 1th ed. Boca Raton: CRC Press. 2019. ISBN: 978-0367392840 .