Fundamentals of IC Engines
Fundamentals of IC engine thermodynamic cycles. Classification of IC engines. Performance indexes, engine maps.
Gas Exchange Process
Inlet and exhaust process in the four-stroke engine. Quasi-steady and dynamic effects on cylinder charging. Flow through the valves: flow rates and discharge coefficients. Valve flow areas, optimum lifts and timings.
Scavenging process in the two-stroke engine. Global scavenging parameters. Flow through the ports.
Turbocharging of IC Engines
Supercharging and turbochargers. Constant pressure and pulse turbocharging.
Unsteady Flows in the Pipes: Wave Effects
Optimum design of the intake and exhaust pipe systems to exploit wave effects.
Fuels for IC Engines: traditional and alternative
Properties of traditional (gasoline, diesel) and alternative fuels (bio-ethanol, biodiesel, gaseous fuels).
Injection Systems fo Otto and Diesel engines
Fuel injection systems for Otto and Diesel engines. Spray atomisation and penetration. Common rail systems.
In-Cylinder Turbulent Flow
Turbulent air motion: swirl, squish and tumble.
Combustion in SI Engines
Normal and abnormal combustion processes in spark ignition engines.
Combustion in CI Engines
Non-premixed combustion, flame structure, ignition delay.
Pollutant formation mechanisms and emission control strategies.
Innovative Powertrain Solutions
Innovative engines for eco-sustainable mobility: hybrid vehicles, alternative combustion modes.
Noise and Acoustics
Noise source analysis and their control. Silencers.
Heat Transfer, Cooling Systems
Heat transfer to the cylinder wall. Design of water and air cooling systems. Thermal loading and main component temperatures.