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Introduction to Engines

3 days MOT/INTMOT-E
Level
Discovery
Audience
  • Any person wishing technical information about automotive engines’ operation, SI or Diesel.
Purpose
  • This course provides a demystification of the operation of reciprocating conventional and future automotive engines as well as the related terminology.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • identify the main engine components and situate them in the engine,
  • describe the operating mode of these components,
  • understand spark ignition and Diesel combustion and describe their differences,
  • have a view of the expected technological evolutions required by the future regulations.
Prerequisite
  • No prerequisites for this course.
Ways and means
  • Real engine dismantling.
  • Real components study.
  • Interactive talks.

Engines operating & basic parameters 0.75 day
  • Piston engines operating and classification: 4-stroke and 2-stroke cycles, gasoline/Diesel, indirect/direct injection, naturally aspirated (NA)/supercharged (SC), architectures.
  • Geometric characteristics: conrod-crank system, bore, stroke, cubic inch displacement, compression volumetric ratio, timing diagram.
  • Operating parameters: load, use curve, torque, power, fuel/air ratio, volumetric efficiency, efficiencies, specific fuel consumption (BSFC).
Atmosphere pollution & regulations 0.25 day
  • Atmospherical phenomena: locally (smog) or globally (greenhouse effect).
  • Regulations for passengers cars.
Description & functions of engine components 1 day
  • Role of the engine in powertrain.
  • Main components technologies: piston, conrod, crankshaft, flywheel; cylinder block, cylinder head; camshaft drive, valve control, variable timing and their situation in the engine.
  • Injection systems: gasoline and Diesel. Ignition system.
  • Naturally aspirated (NA) engine intake circuits, turbocharging, exhaust gas recirculation (EGR), cooling, lubrication, crankcase ventilation.
  • Engine monitoring: torque structure, logic controller, sensors and actuators.
  • Components displays, …
Engine operation & base parameters 1.5 days
  • Reactants and combustion products, combustion equation, flammability limits, auto-ignition delay, combustion speed. Combustion in:
  • Indirect injection spark ignition engines (stoichiometric homogeneous mixture).
  • Direct injection spark ignition engines, in a homogeneous or stratified (heterogeneous) mixture.
  • Direct injection Diesel engines (heterogeneous mixture).
  • Pollutants formation. Exhaust gas recirculation (EGR).
  • How to transform chemical energy in mechanical energy, thermodynamical work, 4stroke and 2 stroke cycles.
  • Evolution of SI engines and Diesel engines, downspeeding, downsizing, …
Fuels for engines 0.25 day
  • Hydrocarbons properties and structures: composition, H/C ratio, self-ignition, net calorific value (NCV).
  • Oils characteristics (octane rating, volatility) and Diesel fuels (cetane rating, cold engine operability, sulfur content, lubricating capacity). Biofuels.
Exhaust gas after-treatment 0.25 day
  • Automotive exhaust catalysis: oxidation catalysis and tri-functional catalysis.
  • Efficiency, initiation temperature, ageing.
  • Nitrogen oxide processing (NOx traps, selective reduction catalysts SCR).
  • Diesel particle filtration and filter regeneration with fuel additive or catalytic filter.
  • On Board Diagnostics (OBD).
Air pollution & regulations origins 0.25 day
  • Atmospheric phenomena at stake: local (smog) or global ones (greenhouse effect).
  • Regulations implemented to cars.
2017 course calendar
Language Dates Location Tuition Register
Mar 06 - 08 Rueil €1,540 Online
Sep 05 - 07 Rueil €1,540 Online