Spark Ignition engines: Mixture requirement - Feedback control carburettors - Fuel
injection systems. Stochiometric combustion - combustion with excess airequivalence ratio.
Stages of combustion: Normal and Abnormal combustion – Knock Combustion
chambers. Simple thermodynamic analysis of SI engine combustion.
Compression ignition engines: Nature of combustion in IC engines - Direct and
Indirect injection systems - Air motion - Combustion Chambers - Spray penetration
and evaporation. Supercharging - Turbo charging. Thermodynamic analysis of CI
engine combustion. Wankel Engine: Operation & applications. Hybrid vehicles.
Thermo chemistry: Pollutant formation, Instrumentation to measure pollutants -
Pollutant calculation - Effect of air-fuel ratio.
Emission standards: EGR on engine emissions - Emission standards - Emission
control devices. Thermal & catalytic exhaust clean–up catalysts - automotive
catalytic converters - Engine modifications to reduce emissions. Heat release
analysis of IC engines.
Alternate Fuels: Engine modifications for alternate fuels (liquid and gaseous fuels),
homogenous charge compression ignition engines.