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ME-501 Internal Combustion Engines Notes

5 notes for Internal Combustion Engines, unit by unit.

Unit 1 · Short notes Introduction of IC Engine S.I. and C.I. engines of two and four stroke cycles · Real cycle analysis of SI and CI engines · Determination of engine dimensions, speed, fuel consumption, output, mean effective pressure and efficiency · Factors affecting volumetric efficiency · Heat balance of internal combustion engines · Performance characteristics of SI and CI engines
Unit 2 · Short notes Combustion in SI engines Flame development and propagation · Pressure–crank angle diagram · Stages of combustion and ignition lag · Effect of air density, temperature, engine speed, turbulence and ignition timing on combustion · Physical and chemical aspects of combustion · Abnormal combustion phenomena
Unit 3 · Short notes Combustion in CI Engines Various stages of combustion in CI engines · Delay period in CI combustion · Diesel knock and knock inhibitors · Salient features of various types of combustion chambers · Fuel injection in CI engine · Working principle of fuel pump and fuel injectors
Unit 4 · Short notes Fuel Classification of internal combustion engine fuels · Desirable characteristics of SI and CI engine fuels · Rating of SI and CI engine fuels · Alternative fuels for SI and CI engines (liquid, gaseous, hydrogen, LPG, CNG, biogas, etc.) · Air‑fuel requirement · Analysis of combustion products
Unit 5 · Short notes Supercharging & Turbo charging Methods of supercharging and turbocharging · Effects of supercharging and turbocharging on engine performance · Engine modifications for supercharging · Supercharging of two‑stroke engines · Microprocessor‑controlled supercharging · Cooling and lubrication of SI and CI engines

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