• Mašinstvo i informacione tehnologije, Semester 2, position 4
• Motori SUS, Semester 2, position 4
• Thermal Energy, Semester 2, position 4
• Thermal Power Engineering, Semester 2, position 4

The objective of the course is for the student to: acquire basic knowledge about the importance of the combustion process; understand the different definitions of the combustion process; understand the physical and chemical processes that take place during combustion; perceive the most important laws that apply to combustion processes; perceive the thermodynamic basics of the combustion process; understand the material and energy balance of the combustion process; understand the basics of chemical statics and kinetics of thermal processes; perceive the types of chemical reactions that occur in combustion processes; understand the rate of chemical reaction and the influencing parameters; understand the occurrence of chemical equilibrium, its importance in the analysis of the development of chemical reactions and influential parameters; understand the thermal effects of chemical reactions; perceive the thermochemical laws; perceive the physical and physical-chemical phenomena in the combustion process (fuel and oxidizer mixing mechanisms, adsorption and absorption, diffusion); acquire basic knowledge about modeling the combustion process; perceive the classification of the combustion process according to different criteria; understand the processes of ignition, flame propagation and stabilization of the flame front; understand the phenomena and specifics of combustion of gaseous, liquid and solid fuels; review technologies and devices for combustion of gaseous, liquid and solid fuels; understand the formation of toxic components during the combustion process and ways to reduce air pollution.

After successfully passing the exam in this course, the student will be able to: calculate the material and heat balance of the combustion process; determine the types of chemical reactions important for the combustion process; define the most important kinetic parameters for the considered chemical reactions; determine the thermal effect of chemical reactions; perform an analysis of influencing parameters on the development of chemical reactions and kinetic parameters; perceive the methods of fuel ignition and the spread of the flame front; application of available flame stabilization techniques; master flame testing techniques; perform an analysis of the efficiency of the combustion process; make a choice of technology and devices for combustion with the aim of meeting the energy and environmental characteristics; know how to apply available combustion process models; perform a comparison and analysis of the combustion process based on experimental results and modeling results; carry out the determination of toxic components produced during combustion; choose the best technology for reducing the emission of toxic components; perform an analysis of the impact of the combustion process on the environment.

Thermodynamics basics of the combustion process, general terms, material and energy balance of the process. Basics of chemical statics and kinetics of thermal processes. Rate of chemical reactions. Types of chemical reactions. Chemical equilibrium. Physical and physical-chemical phenomena in the combustion process (adsorption and absorption, diffusion). Laws for transfer phenomena and analogy. Ignition and self-ignition phenomena. Flame front and detonation wave. Flame front speed and stable combustion. Specificities of burning solid, liquid and gaseous fuels. Devices for burning different types of fuel. Basics of modeling the combustion of solid, liquid and gaseous fuels. Environmental aspects of combustion. Causes, mechanisms of formation of toxic components (sulfur oxides, nitrogen oxides, carbon monoxide, solid particles, etc.) and possibilities of prevention. Measures and procedures for reducing the emission of toxic components (primary and secondary procedures).

Chemical kinetics, solving problems of the rate of chemical reactions and chemical equilibrium in the field of combustion. Heat of formation. Dissociation of combustion products, calculation of amount and composition of combustion products and combustion temperature for different types of fuel. Incomplete combustion, determination of the amount and composition of combustion products and combustion temperature. Laminar flame length, influential parameters, experimental determination. Flame stability limits, definitions and experimental determination. Flammability limits, definitions and experimental determination. Flame front speed, definitions and experimental determination. Devices for measuring the emission of toxic components, classification and operation principles. Measurement of the emission of toxic components from the combustion process and conversion in accordance with the requirements of the standard.

No special requirements.

Experimental equipment for measuring flammability limits, flame velocity, etc., and laminar and turbulent flame characterization. Experimental installation for investigation of energy efficiency and pollutants emission from different heating appliances (experimental installation comprised test stove/boiler, flue gas exhaust system, digital weighing scale, and data acquisition system).

Total assigned hours: 75

New material: 30
Elaboration and examples (recapitulation): 0

Auditory exercises: 8
Laboratory exercises: 20
Calculation tasks: 2
Seminar paper: 0
Project: 0
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 2
Review and grading of lab reports: 3
Review and grading of seminar papers: 0
Review and grading of the project: 0
Test: 0
Test: 5
Final exam: 5

Activity during lectures: 5
Test/test: 40
Laboratory practice: 10
Calculation tasks: 5
Seminar paper: 0
Project: 0
Final exam: 40
Requirement for taking the exam (required number of points): 30

Dusan Draskovic, Milan Radovanovic, Miroljub Adzic, Combustion, pp. 278, ISBN: 86-7083-022-1, Faculty of Mechanical Engineering, Belgrade, 1986.; Milan Radovanovic, Handbook for experimental exercises in Combustion, pp. 79, ISBN: 86-7083-023-X, Faculty of Mechanical Engineering, Belgrade, 1986.; Vladimir Jovanovic: Handboolk for experimental exercises in Fuel, Industrial Water and Lubricants, pp.197, ISBN: 978-86-6060-095-2, Faculty of Mechanical Engineering, Belgrade, 2021.; Irvin Glassman, Richard A. Yetter, Nick G. Glumac: Combustion, Elsevier, 5th Edition, 2014, Hardback ISBN: 9780124079137, eBook ISBN: 9780124115552