A partner of excellencefor oil and gas professional development

Vehicle Fuel Consumption

  • Engineers and technical staff involved in the design, development, calibration and testing of engines, needing to know how to optimize fuel consumption and CO2 emissions.
  • To improve participant’s knowledge on fuel consumption and CO2 emissions. Application to engine management and fuel economy tunig.
Learning Objectives
  • To be able to identify and optimize the main engine parameters to improve fuel economy.
  • To be able to design, describe and tune engine management strategies impacting fuel economy.
  • To be able to manage the trade-off between vehicle performances (emissions, drivability, emissions, …) and their impact on fuel economy.

Context 0.25 day
  • Regulations, incentive ans consumerist context
  • Fuel consumption and CO2 emissions (seen from manufacturers, consumers, governments).
  • CO2 emissions and Greenhouse effect.
  • Protocoles, intergovernmental agreements, new laws, tax incentives (Kyoto, CAFE, …).
  • Fundamentals of fuel consumption.
Energy optimization ways 0.75 day
  • Impact of the main bricks used to reduce fuel consumption
  • Energy balance of a vehicle. Bar graph example of the fuel economy impact of the “bricks”; incentives & taxes.
  • Reduction of fuel consumption of the powertrain (gear ratios adaptation, calibration trade-off, …).
  • Reduction of fuel consumption through vehicle (S Cx, light weight, management of electrical energy, …).
  • Numerical simulation exercise.
  • Vehicle electrification (types and levels):
  • Stop & start, micro-hybrid, mild hybrid, full hybrid, plug-in hybrid.
  • Full electric vehicles, range extender.
  • Which stakes? Which vehicles and when?
Engine management and calibration 0.5 day
  • Introduction to engine management.
  • Trade-off strategies: fuel economy / reliability, or fuel economy / consumption / driveability, or fuel economy / emissions / catalyst storage, fuel economy / max load performances.
  • Inter-performance trade-off and impact on fuel economy.
  • FE display on dashboard.
  • Data spread / survivability.
  • Homologation and conformity on production (COP).
Vehicle and powertrain electrification 1.5 days
  • Energy optimization:
  • Operating point of powertrain; management of vehicle performances trade-off.
  • Optimization rules, help to user’s drive.
  • Calibration and optimization
  • Energy management law.
  • Optimization criteria, investigation to optimum.
  • Base optimization, off-line optimization, on-line optimization.
  • Impact on fuel consummation: homologation / urban use / mixed use.
  • Parametrical study based on numerical model and AMESIM simulation.
Powertrain efficiencies and fuel economy 2 days
  • Evolutions related to combustion and thermodynamics
  • Fuels and combustion efficiency: calorific power and energy density, alternative fuels, fossil reserves and consequences on automotive technology evolution.
  • Thermodynamical efficiency (volumetric ratio, unit cylinder capacity, number of cylinders, …).
  • Cycle efficiency, high pressure loop, low pressure loop.
  • Engine downsizing.
  • Evolutions related to mechanical losses
  • Mechanical efficiency (engine and gearbox) and optimization ways:
  • lubrification by oil, cooling system
  • components: geometry (piston skirt, piston rings, …), weight reduction, friction losses, surface finish, tribology
  • optimization of combustion engine for hybrid propulsion use.
  • Thermomanagement
  • The objectives of thermomanagement: friction reduction, emissions management, fuel consumption management.
  • The “bricks” of thermomanagement, use and impact.
  • Numerical simulation exercise.
2016 course calendar
Language Dates Location Tuition Register
Oct 17 - 21 Rueil €2,590 Online By email