Fuels – types and properties-higher and lower heating values, their determination. Combustion of fuels, stoichiometric air requirement – excess air-gravimetric analysis and volumetric analysis of products of combustion and their conversions-Fuels for IC engines- octane number requirement (ONR)-diesel fuels- cetane rating.
Classification-engine components-Four stroke cycle- principle-valve timing diagram-P-V diagram - two stroke cycle- principle-valve timing diagram-P-V diagram. Spark ignition engine-working principle and thermal efficiency- Compression ignition engine-working principle and thermal efficiency-fuel pump and injector. Gas engine –working principle-turbo charging.
Carburetion-Fuel injection-Ignition- Engine friction and Lubrication- Engine cooling-Scavenging in two stroke engines- Super changing of SI engines- Comparison between CI and SI engines.
Engine Testing and performance- Dynamometer types- Performance parameters - Indicated power, Brake power, SFC, Engine efficiencies- Variables affecting performance characteristics- Working principles of Stirling engines, Wankel rotary combustion engine, Variable compression ratio engine test rig- Emission standards. Air compressors- Reciprocating, Rotary and Centrifugal types- Work done and Efficiency-Slip factor.
Boilers – classification – working principle of fire tube and water tube boilers – vertical and horizontal boilers - Principles, construction and operation - Cochran, Lancashire, Cornish, Scotch, Velox, Locomotive, Babcock and Wilcox boilers –Principles – boiler mountings and accessories – Pressure regulators – Blow off fittings - Boiler performance- Boiler operation, inspection, Safety and Maintenance- ISI codes for boilers- Features of Industrial Boilers-Economics of operation.
Reference Book:
1. P.K. Nag, Engineering thermodynamics, Tata-McGraw Hill Publishing Co, New Delhi, 1992. 2. V.P.Vasandani and D.S.Kumar, Heat Engineering, Metropolitan Book Co Pvt Ltd, 1972. 3. C.P.Kothandaraman., S.Domkundwar. and A.V.Domkundwar, A course in Thermal Engineering, Dhanpat Rai & Sons, Fifth edition, 2002. 4. J.P.Holman, Thermodynamics, McGraw-Hill, 1985.
Text Book:
1. M.C. Mathur and R.P. Sharma, Internal combustion Engines, Dhanpat Rai Publications, 2014. 2. Rayner Joel, Basic engineering Thermodynamics, Pearson publishers, 2009.
