Thermal Engineering 2
MEC-210
Steam Nozzle: Types of nozzles, flow of steam through nozzles, condition for maximum discharge through nozzle, nozzle efficiency... Steam Turbine: Working principle and types of steam turbines, velocity diagrams for impulse and reaction turbines... Compounding of impulse turbines, optimum velocity ratio and maximum efficiency, comparison of impulse and reaction turbines, reheat factor.
Air Compressors: Steady flow analysis, isothermal, adiabatic and polytropic compression, single and multi-stage compression... Ideal intermediate pressure, compressor clearance, volumetric and isothermal efficiency, minimum work requirement of a compressor. Refrigeration Cycle: Vapour compression refrigeration cycle, description, analysis, refrigerating effect, power required... Unit of refrigeration, COP, Refrigerants and its desirable properties. Vapor absorption refrigeration system.
Internal Combustion Engine: Combustion in S.I. engine, Combustion in C.I. engine and its stages... Knocking in S.I. and C.I. engine and its detrimental effect, Factors affecting knocking in S.I. and C.I. engine.
I.C. Engine Performance: Measurement of performance parameters of an engine, different methods to determine Indicated power and friction power... Components of heat balance sheet of a given Engine, Ignition system, Fuel injection system, Lubrication system.