102701 Internal Combustion Engines

Module:1
Basics of IC Engines, Engine components and classification: Two strokes, four stroke (SI and
CI) engines, engines parts, engines working principle and valve timing diagram. Ideal cycles
and Fuel-air cycles. (Lectures 6)
Module: 2
Engine performance-test: purpose and types, measurement of power, Engine system &
performance parameters evaluation. (Lectures 4)
Module: 3
Combustion in SI and CI engines: Stages of combustion in SI engines, abnormal combustion
and knocking in SI engines, factors affecting knocking, effects of knocking, control of
knocking, combustion chambers for SI engines, Stages of combustion in CI engines,
detonation in C.I. engines, factors affecting detonation, controlling detonation, combustion
chamber for SI and CI engine. (Lectures 7)
Module: 4
Fuel supply systems in SI and CI engines, carburetors, Port fuel injection, Direct injection and
Common rail injection. (Lectures 6)
Module: 5
Ignition system: Battery and magneto ignition system, spark plug, firing order, quality,
quantity & hit and miss governing.
Lubrication system and Cooling system: Lubrication of engine components, Lubrication
system – wet sump and dry sump, crankcase ventilation, Types of cooling systems – liquid
and air cooled, comparison of liquid and air cooled systems. (Lectures 7)
Module: 6
Measurement and Testing of IC engines: Measurement of indicated power, brake power,
fuel consumption and emission, Measurement of friction power by Willan’s Line Method and
Morse Test, calculation of brake thermal efficiency, brake power and brake specific fuel
consumption of IC Engines, variable compression ratio engines, heat balance sheet of IC
Engines.
Engine Emission and their control: Air pollution due to IC engines, constituent and types of
emission HC, CO and NOx emission, catalytic convertor. Advanced IC Engine concepts.
(Lectures 8)

Module: 7
Super charging, engine lubrication and cooling. (Lectures 4)
Text Books:
1. Obert E. F, “Internal Combustion Engines and Air Pollution”, Harper and Row
Publication Inc. NY, 1973.
2. Heisler H, “Advanced Engine Technology”, Edward Arnold, 1995.
3. Heywood J. B, “Internal Combustion Engine Fundamentals”, McGraw Hill Book Co.
NY, 1989
4. Heldt P. M, “High Speed Combustion Engines”, Oxford & IBH publishing Co. India,
1985.
5. Stockel M W, Stockel T S and Johanson C, “Auto Fundamentals”, The Goodheart,
Wilcox Co.
6. Inc., Illinois, 1996.