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Course Detail

Course Name Internal Combustion Engines and Pollution Control
Course Code 15MEC253
Program B. Tech. in Mechanical Engineering
Year Taught 2019


Unit 1

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.

Unit 2

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.

Unit 3

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.

Text Books

  • Heywood J. B. – ‘Internal Combustion Engine Fundamentals’ – McGraw-Hill – 1998
  • Obert E. F. – ‘Internal Combustion Engines and Air pollution’ – Harper and Row – 1973


  • Ferguson C. R. – ‘Internal Combustion Engines’ – John Wiley – 1989
  • Ganesan V. – ‘Internal Combustion Engines’ – Tata McGraw Hill Publishing Company Limited, New Delhi – 1998
  • Degobert P. – ‘Automobiles and Air Pollution’ – SAE – 2002
  • Campbell A. S. – ‘Thermodynamic Analysis of Combustion Engines’ – John Wiley – 1979

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