AT6012 - ENGINE AUXILLIARY SYSTEMS (Syllabus) 2013-regulation Anna University

AT6012 - ENGINE AUXILLIARY SYSTEMS (Syllabus) 2013-regulation Anna University

AT6012

ENGINE AUXILLIARY SYSTEMS

 LPTC
3003

OBJECTIVES:
• To make the students understand the various auxiliary systems used in automobiles and their functions.

UNIT I

CARBURETION

10
Properties of air-petrol mixtures, Air fuel ratio requirements or SI Engines working of a simple fixed venturi and constant vacuum carburetor, design of elementary carburetor, Chokes, Effects of altitude on carburetion, Carburetor for 2–stroke and 4-stroke engines, carburetor systems for emission control.

UNIT II

GASOLINE INJECTION AND IGNITION SYSTEMS

9
Petrol Injection, Pneumatic and Electronic Fuel Injection Systems types. Ignition system requirements, Timing, Ignition Systems, breaker mechanism and spark plugs, Factors affecting energy requirement of the ignition system, factors affecting spark plug operation, Electronic Ignition Systems.


UNIT III

DIESEL FUEL INJECTION

9
Factors influencing fuel spray atomization, penetration and dispersion of diesel and heavy oils and their properties, rate and duration of injection, fuel line hydraulics, fuel pump, injectors, CRDI systems and its merits and demerits.

UNIT IV

MANIFOLDS AND MIXTURE DISTRIBUTION

9
Intake system components, Discharge coefficient, Pressure drop, Air filter, Intake manifold, Connecting pipe, Exhaust system components, Exhaust manifold and exhaust pipe, Spark arresters, Waste heat recovery, Exhaust mufflers, Type of mufflers, exhaust manifold expansion.

UNIT V

LUBRICATION AND COOOLING SYSTEMS

9
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, concept of adiabatic engines.

TOTAL : 45 PERIODS

OUTCOMES:
• At the end of the course, the student will be familiar with the auxiliary system, its roles, functionality, construction, working principle etc.

TEXT BOOKS:
1. Ramalingam, K.K, "Internal Combustion Engine", Scitech Publication (India)
2. Ganesan, V.,"Internal Combustion Engines", Tata McGraw-Hill Book Co., 1995.

REFERENCE
1. Domkundwar, V.M, "A Course in Internal Combustion Engines", Dhanpat Rai and Co., 1999.
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