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3.AUTOMOBILE ENGINEERING-I.docx (Size: 181.26 KB / Downloads: 5)
1. Course Objectives:
The course should enable the students to:
1. Explain the history and evolution of automobiles and automobile industry.
2. Identify various systems and their components of Automobile.
3. Understand the engine principles and fundamentals
4. Understand the engine constructional details and materials.
5. Compare different types of engines.
2. Prerequisites: Basic knowledge of Physics principles and English.
3. Course contents:
UNIT- 1: HISTORY OF AUTOMOBILE06 Hrs
Automobile-Definition - history and development in abroad and in India before & after independence- different Indian and foreign Automobile manufacturing concerns of two wheeler, three wheeler, LMV and HTV - theirproducts and plants location.
UNIT-2: GENERAL STRUCTURE OF AUTOMOBILE 06 Hrs
classification of Automobile, Major systems of an Automobile - their functions, Chassis – definition, chassis layout of two, three &four wheeler with major components - their functions , engine mounts – need – types, definition of : wheel base - wheel track - overall length - front overhung - rear overhung - height of CG point - ground clearance - gross weight and kerb weight.
UNIT-3: HEAT ENGINES 12 Hrs
Heat engines - Definition - types - comparison of IC and EC engines, engine terminology-bore – stroke – TDC – BDC – clearance volume - swept volume - total volume - compression ratio - mean effective pressure – indicated power – brake power - friction power - engine speed engine torque, classification of IC engines with respect to different parameters,Two stroke & four stroke SI engines-construction– working, Two stroke & Four stroke CI engines - construction – working,-comparison of SI and CI engines- comparison of Two stroke and Four stroke engines.
UNIT-4: ENGINE CONSTRUCTION DETAILS - I 14 Hrs
Cylinder block – types - Constructional details - materials used , Cylinder head -constructional details - materials used, crank case, oil pan , cylinder liners – types – construction - merits and demerits ,Gasket - purpose- types , Piston - functions - requirements - constructional details - materials used ,piston clearance – importance , Expansion control methods in pistons - heat dam – slots – bimetal - cam ground - taper piston - offset piston- special alloy, Piston rings – functions - types - constructional details – materials, Piston pin -construction – materials, Connecting rod– functions – types – construction - materials, Different methods of connecting piston with connecting rod – Explain each method.
UNIT-5:ENGINE CONSTRUCTIONAL DETAILS - II 07 Hrs
Meaning and need of firing order, firing order of three, four and six cylinder engines-functions, construction and materials for flywheel- need, types and constructional details of vibration damper- functions, construction and materials for cam shaft, different types of camshaft drives.
UNIT-6:ENGINE CONSTUCTIONAL DETAILS - III 07 Hrs
Construction and materials for poppet valve, valve seat and valve guide- overhead valve operating mechanism, over head camshaft valve mechanism- meaning and importance of valve clearance- construction of inlet and exhaust manifold- purpose of mufflers - constructional details of absorber type, baffle plate type, wave cancellation type and resonance type mufflers.
4. Course outcomes:
The students will be able to:
1. Explain history and evolution of Automobile and list various Automobile manufacturing concerns.
2. Identify, locate and state the functions of various components of Automobile.
3. Classify automobiles and automobile engines.
4. Describethe construction and working of various types of engines and compare.
5. Describe the construction and materials of various components of engine.