Fuel Supply and Injection Systems:
SI Engine: Types and Components of fuel injection systems, Continuous injection system, Timed injection system, Electronic Fuel Injection systems (EFIs), Merits and Demerits electronic , Multi point fuel injection system(MPFI), Functional divisions of MPFI system, Electronic control system, Injection timing, Group gasoline injection system
C.I. Engines:
Fuel injection pump systems- Types, constructional features and operation, Factors influencing fuel spray atomization, penetration and dispersion of diesel, Fuel Injection Pumps (inline, rotary), Electronic diesel injection system, Electronic diesel injection control.
Ignition system:
Energy requirements for ignition, Requirement of an ignition system, Battery ignition system, its operation and limitations, Dwell angle, 12V ignition system, 42 V ignition system, Magneto ignition system,
Modern ignition systems:
Transistorized (TCI) and Capacitive Discharge (CDI), Firing order, Ignition timing and engine parameters, Spark advance mechanism, Ignition timing and exhaust emissions.
Cooling and Lubrication System:
Cooling System:
Necessity, variation of gas temperature, Areas of heat flow,heat transfer, piston and cylinder temperature, Heat rejected to coolant,quantity of water required, cooling system, air cooling, water cooling thermodynamics of forced circulation, thermostats, pressurized water cooling,regenerative cooling, comparison of air and water cooling, radiators types,cooling fan – power requirement, antifreeze solution.
Lubrication System:
Lubricants, lubricating systems, Lubrication of piston rings, bearings, oil consumption, Oil cooling. Heat transfer coefficients, liquid and air cooled engines, coolants, additives and lubricity improvers, oil filters, pumps, and crankcase ventilation – types
Engine Management System:
Combined ignition and fuel managementsystems, Digital control techniques. Complete vehicle control systems. Artificial intelligence and engine management, Exhaust emission control in SI and CIengines Techniques
Supercharger and Turbo charger
Supercharger, Working Principle, Effect of Super charging, Types and Methods of Super charging, Turbo Charger, Working Principle , Turbo-lag,
Recent Developments in Automotive Engines:
VVT, V-TEC i-VTEC and IDTEC.ATFT, CRDI system- working Principle, Advantages and Effect of CRDI on emission reductions, Hybrid vehicles and fuel cells.
Course outcomes:
At the end of the course the student will be able to:
CO1 Understand the working and analyse both the conventional & the modern fuel supply and injection systemsused in SI and CI engines.
CO2 Understand, differentiate and analyze the conventional and modern ignition systems.
CO3 Identify the vital components of cooling and lubricating system and do basic design calculations.
CO4: possess the knowledge of engine management system and apply the concept of artificial intelligence.
CO5: differentiate and analyse the turbocharger and supercharger working and update therecent advances in automotive engines.
Question paper pattern:
The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.
Textbook/ Textbooks
(1) John B.Heywood, Internal Combustion Engine Fundamentals, McGraw- Hill Book Company(1988)
(2) Dr. K. K. Ramalingam, Introduction to Internal Combustion Engines, Scitech Publication, 2004
Reference Books
(1) Tom Denton, Automotive Electrical and Electronics, SAE, 2000
(2) Heinz Heisler, Advanced Engine Technology, SAE Publications, 1995
(3) Richard Van Basshuysen, Internal Combustion Engine Hand Book, Fred Schaefer, SAE(2004).