

Performance and its improvement - Regenerative, Intercooled, Reheated cycles and their combinations. Gas turbine cycle analysis – open and closed cycle.

Concepts of Supercharging and Turbocharging – Emission Norms. Ignition systems – Magneto, Battery and Electronic. Multipoint Fuel Injection system and Common Rail Direct lnjection systems. UNIT IV INTERNAL COMBUSTION ENGINE PERFORMANCE AND SYSTEMS Combustion in SI & CI Engines – Knocking – phenomena and control. Air-fuel ratio calculation – lean and rich mixtures. Desirable properties and qualities of fuels. Geometric, operating, and performance comparison of SI and CI engines. Ideal and actual : Valve and port timing diagrams, p-v diagrams- two stroke & four stroke, and SI & CI engines – comparison. IC engine – Classification, working, components and their functions. UNIT III INTERNAL COMBUSTION ENGINES AND COMBUSTION Working principle and comparison of Rotary compressors with reciprocating air compressors. Multistage air compressor with Intercooling.

– Rankine, reheat and regenerative cycle.Ĭlassification and comparison, working principle, work of compression - with and without clearance, Volumetric efficiency, Isothermal efficiency and Isentropic efficiency. Air Standard Cycles - Otto, Diesel, Dual, Brayton – Cycle Analysis, Performance and Comparison
