IC ENGINES (BME714C)

IC ENGINES

Course Code BME714C 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:0:0 
SEE Marks 50
Total Hours of Pedagogy 40 hours 
Total Marks 100
Credits 03 
Exam Hours 03
Examination type (SEE) Theory

Module ­1

I.C. Engines ­ Classification based on multi cylinder engine, firing order, selection criteria of IC

engines based on application, materials and manufacturing processes of ICE components.

Thermodynamic cycle analysis– Deviation from ideal processes. Effect of chemical equilibrium

and variable specific heats. Effect of air fuel ratio and exhaust gas dilution. Calculation of

combustion temperatures. Use of combustion charts. Simple. numerical problems.

Module ­2

Carburetion and combustion process in S.I. engines: Mixture requirements in S.I engine. Simple

Carburettor and its limitations. Knock fee and knocking combustion­Theories of combustion

process in S.I. engines. Effect of Knock on engine performance. Effect of operating variables on

knocking. Knock rating of fuels­octane number. HUCR values. Anti knock agents ­ Pre­ignition ­ Post

ignition.

Combustion in C.I. engines: Ricardo's three stages of combustion process in C.I. engines. Delay

period & factors affecting delay period. Diesel knock­ Methods of controlling diesel knock. Knock

rating of Diesel fuels.

Module ­3

Combustion chambers: Requirements of combustion chambers. Features of different types of

combustion chambers system for S.I. engine. I­head, F­head combustion chambers. C.I. engine

combustion chambers­Air swirl turbulence­M. type combustion chamber. Comparison of various

types of combustion chambers.

Fuels: Hydro carbons ­ chemical structure­influence of chemical structure on knock alternative

fuels­Alcohols­vegetable oils­ Bio gas as Diesel engine fuels.

Module ­4

Fuel injection systems: Diesel injection systems­jerk pump injectors Nozzles of different typesPetrol injection systems for S.I. engines­Electronic fuel injection system. Cooling system­ Water

cooling, air cooling & liquid cooling­role of thermostats­radiator construction.

Module ­5

Modern developments: Turbo charging and super charging of I.C.Engines, Stratified charge

engines (Lean burned SI engine) Multi fuel engines, Rotary piston engine, Two injector engines Pilot

ignition engine, all ceramic swirl chamber engines.

Emission regulation and Control systems: Mechanism of pollutant formation. Total emission

control package thermal reactor package­catalytic converter package­control of NOX ­Exhaust gas

recirculation­Water injection.

Suggested Learning Resources:

Test Books

1. Heywood J.B., “Internal combustion Engine Fundamentals”, McGraw Hill, 1988

2. Domkundwar V.M., “Internal combustion Engines”, 6th Ed.Tata McGraw Hill Publishing Co.

3. PulkrabekW , “Internal combustion engines”, 8th Ed.; Dhanpat Rai publication.,2003,

REFERENCE BOOKS

1. Ganesan V , “Internal combustion Engine and Air Pollution”, Intext Educational Pub,1974. 

2. Ferguson and Kirkpatric; Internal Combustion Engines, by Wiley publishers.