ME-216 APPLIED THERMODYNAMICS- II Lab
1. To Study 2 stroke and 4 stroke Petrol and Diesel engines
2. To draw valve timing diagram of a diesel engine and study of its impact on the performance of an IC Engine.
3. Study of various circuits of a carburetor fitted on Indian Make Vehicle.
4. Study of various types of Boilers, Boiler trial: Estimation of equivalent evaporation and efficiency of a fire tube/ water tube boiler.
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ME-208 APPLIED THERMODYNAMICS – II
Detailed Contents
IC Engines
Classification. Two stroke and four stroke engines, rotary engines and their comparison, Principle of Carburation, Essential requirements for petrol and diesel fuels ; R.A.C. rating of petrol engines, Theory of combustion in SI and CI engines, pressure time diagram, various phenomenon such as turbulence squish and swirl, dissociation and pre ignition, Theory of detonation (knocking) for SI and CI engines, effect of engine variables on Delay period in SI and CI Engines, effect of various engine parameters on knock (detonation) in SI and Diesel engines ; effect of detonation on engine performance and methods employed to reduce detonation. Octane and Cetane rating of fuels, octane and cetane number knockmeter and doping of fuels. Combustion chambers and cylinder heads for SI and CI engines. Methods of governing and cooling of IC Engines. Performance curves of SI and CI engines, performance maps, effect of compression ration and of air fuel ratio on power and efficiency of an engine. Variation of engine power with altitude ; supercharging its advantages and application ; supercharging of IC engines ; types of superchargers. High speed engine indicators, logarithmic plotting of PV diagrams
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