AM4011 Engine Combustion Thermodynamics and Engine Heat Transfer Syllabus:

AM4011 Engine Combustion Thermodynamics and Engine Heat Transfer Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES

1. To develop the students, understand the thermodynamic principles of general and engine combustion.
2. To acquire knowledge in chemical kinetics involved in general and engine combustion
3. To study different types of flames, their structures and analyze the factors affecting on them.
4. To demonstrate the importance of engine heat release rate and heat transfer models for engine combustion analysis.
5. To acquire knowledge in experimental methods for combustion and heat transfer calculations to apply in engines analysis.

UNIT – I INTRODUCTION TO COMBUSTION PROCESSES

Definition for Fuel and Oxidizer – types – Various combustion modes- Combustion in premixed laminar and premixed turbulent combustion – Flame Speed – Burning Velocity – diffusion flames – Combustion process in IC engines.

UNIT – II THERMODYNAMICS OF COMBUSTION

Thermodynamics of combustion – Thermodynamic Properties – Ideal gas law – Gas mixture combustion – Stoichiometric combustion – Thermochemistry – Hess’s law- Adiabatic flame temperature – Physics of combustion – Fick’s law of species diffusion – Conservation equations – Boundary layer concept

UNIT – III NORMAL, ABNORMAL COMBUSTION IN SI ENGINES

Stages of combustion – Flame propagation –– Flame Limits –Flame Extinction – Rate of pressure rise – Cycle to cycle variation – Abnormal combustion – Theories of detonation – Effect of engine operating variables on combustion –Example problems.

UNIT – IV COMBUSTION AND HEAT TRANSFER IN IC ENGINES

Droplet and spray combustion theory – delay period – Peak pressure – Heat release – Gas temperature – Diesel knock. Basic definitions – Convective heat transfer – Radiative heat transfer – Heat transfer, temperature distribution and thermal stresses in piston – Cylinder liner – Cylinder head – fins and valves.

UNIT – V EXPERIMENTAL INVESTIGATION OF COMBUSTION AND HEAT TRANSFER IN IC ENGINES

Photographic studies of combustion processes – P-θ diagrams in SI and CI engines, Assembly – Temperature measurement in piston – cylinder liner – Cylinder head and engine valves.

TOTAL 45 PERIODS

OUTCOMES:

1. Upon completion the students summarize the thermodynamic principles of general and engine combustion.
2. They understand the principle of engine combustion and the various heat transfer models and measuring methods of engine heat transfer in detail
3. They will have comment over on different flames and their importance in combustion applications
4. They will understand thermodynamics of combustion, grasp the knowledge of normal, abnormal combustion and heat transfer in engines
5. They also understand and apply the experimental techniques in investigating the combustion and heat transfer processes in IC engines

REFERENCES:

1. John. B. Heywood,’ Internal Combustion Engines’”, McGraw Hill Co., Newyork, 2017.
2. Spalding.D.B., “Some fundamental of Combustion”, Butterworth Science Publications, London, 1985.
3. Taylor. E.F. “The Internal Combustion Engines “, International Text Book Co., Pennsylvania, 1982.
4. V.Ganesan, ‘Internal combustion Engines’, Tata McGraw Hill Book Co, Eighth Reprint, 2012.
5. Ashley Campbel, “Thermodynamic analysis of combustion engine”, John book company, New york, 1979.