Automotive Engine Components Design and Auxiliary Systems detail syllabus for Automobile Engineering (Auto), 2017 scheme is taken from VTU official website and presented for VTU students. The course code (17AU72), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.
For all other auto 7th sem syllabus for be 2017 scheme vtu you can visit Auto 7th Sem syllabus for BE 2017 Scheme VTU Subjects. The detail syllabus for automotive engine components design and auxiliary systems is as follows.
Course Objectives:
At the end of the course, students will be able to
- Calculate major dimensions of engine components like cylinder, piston, connecting rod, crankshaft, valve and valve operating mechanisms.
- Analyze working of two stroke engine.
- Select suitable scavenging process for two stroke engine.
- Select suitable lubricant and lubrication system for given engine.
- Calculate amount coolant required and select suitable cooling system for given engine. Explain need for supercharger and modifications required in engine for supercharging.
Module 1
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Module 2
Connecting Rod: Length of rod, Cross section, Buckling, Drilled connecting rods, piston pin bearing, offset connecting rods, effects of whipping, bearing materials and lubrication, calculation of major dimensions. Crank Shaft: Balance weights, local balance, Crankshaft proportions, oil holes drilled in crank shafts, balancing, vibration dampers, firing order, bearings and lubrication Types of crank shafts, design of centre crank shaft, moments on crank shafts, centre crank shaft at tdc, centre crank shaft at angle of maximum torque. Design of side crankshaft (over hang), side crank shaft at tdc, side crank shaft at angle of maximum torque, calculation of major dimensions.
Module 3
Valve and Valve Mechanism:
Number of Valves per cylinder, Angle of seat, Operating Conditions, operating temperatures, valve cooling, Sodium cooled valves, Valve rotators, valve seats, valve guides, , valve springs, valve clearance, valve timing, OHV, OHC, dual valves, types of valve operating mechanisms. Valve train component details, Camshaft,-drives of cams, cam types, tappets,-automatic zero clearance tappets, push rods, rocker arms & rocker Shaft, calculation of major dimensions
Two Stroke Engines:
Principles and working of two stroke engine (SI & CI), Port timing diagrams.
Types – Three port engine, Separate pumps or blowers, Symmetrical & unsymmetrical timing, Cross flow, loop flow &uniflow type Scavenging systems. Scavenging Process – Pre blow down, Blow down, Scavenging, Additional Charging. Theoretical Scavenging processes, Scavenging parameters, Comparison of Different Scavenging Systems; port design, scavenging pumps.
Module 4
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Module 5
Lubrication System:
Lubricants, lubricating systems, Lubrication of piston rings, bearings, oil consumption, additives and lubricity improvers, concept of adiabatic engines, oil filters, pumps, and crankcase ventilation – types.
Supercharging and Turbocharging:
Purpose, thermodynamic cycle, effect on the performance, turbo charging, limits of supercharging for petrol and diesel engines. Modifications of an engine for super charging – methods of super charging – super charging and turbo charging of two stroke and four stroke engines.
Course Outcomes:
After completion of above course, students will be able to
- Calculate major dimensions of engine components like cylinder, piston, connecting rod,
- Crankshaft, valve and valve operating mechanisms.
- Analyze working of two stroke engine.
- Select suitable scavenging process for two stroke engine.
- Select suitable lubricant and lubrication system for given engine.
- Calculate amount coolant required and select suitable cooling system for given engine.
- Explain need for supercharger and modifications required in engine for supercharging.
Text Books:
- High Speed Engines – P. M. Heldt, Oxford & IBH, 1965
- Machine design exercises – S. N. Trikha, Khanna publications, Delhi
Reference Books:
- Auto Design – R. B. Gupta, SatyaPrakash, New Delhi 1999.
- A course in I.C. Engine – Mathur& Sharma , DhanpatRai& Sons, Delhi, 1994.
- Internal Combustion Engines- V. Ganesan, Tata McGraw Hill, Delhi, 2002.
- Automobile Engineering Vol. II – Kirpal Singh, Standard publications, New Delhi, 2005
- Modern Petrol Engine – A.W. Judge, B.I. Publications. 1983
- Fundamentals of I. C. Engines – J. B. Heywood, McGraw Hill International Edition.
- Machine design – P.C. Sharma & D. K. Aggarwal, S.K. Kataria& sons, Delhi.
- I. C. Engine – Maleev&Litchy, McGraw Hill.
For detail syllabus of all other subjects of BE Auto, 2017 scheme do visit Auto 7th Sem syllabus for 2017 scheme.
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