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New Fuels & their Impact on IC Engines & Turbine Operation

New Fuels & their Impact on IC Engines & Turbine Operation

3 days
This course is not scheduled.
Who should attend?


    • Engineers and technical staff involved in motor fuel quality management in relation to engine technologies.


  • Foundation
  • This course provides a deeper knowledge on issues raised by the use of the new fuels planned for the near or further future: biofuels, gaseous fuels, synthetic fuels, alternative jet fuels.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • understand the economical and environmental context of biofuels developments,
  • describe the processes to obtain such fuels as well as their economic and environmental impact,
  • know the main characteristics of these fuels,
  • understand their impact on IC engines and turbine operation,
  • adapt engines and vehicles adaptations when using these fuels.
Course Content

Fuels structure & main properties

0.5 day

  • Groups of hydrocarbons, alcohols, ethers, fatty acid esters.
  • Fuels required properties for engine operation
  • Heat value, specific energy.
  • Volatility: vapor pressure, distillation.
  • Combustion: octane rating and cetane rating.
  • Cold flow properties: cloud point, CFPP, pour point.
  • Lubricating properties.
  • Viscosity.
  • Sulfur content.
  • Stability, corrosion.
  • Gasoline and Diesel fuel structures from oil bases. Specifications.

Synthetic fuels: GTL, BTL, CTL

0.25 day

  • Processes to get such fuels.
  • Economic and environmental impacts.


1 day

  • Situation and stakes
  • Biofuels policies in the world: Brazil, United States and Europe situations.
  • Biofuels production chains, well-to-wheel ecobalance, available resources.
  • Spark Ignited engine biofuels
  • Production chains.
  • Ethanol and ETBE characteristics.
  • Potential and difficulties linked to the use of gasoline-alcohol mixtures: octane rating, latent heat of evaporation, water tolerance, volatility, corrosion, pollutant emissions, lubrication.
  • Flex-fuel engines: difficulties linked to the use of ethanol high rated fuels, technical solutions.
  • Second generation ethanol.
  • Biofuels for Diesel engines
  • Use of direct vegetable oils (DVO) on Diesel engines: principles and limits. Fatty acid esters characteristics and impacts on the engine operating: solubility, “sulfur free”, lubricating properties, emissions, washing power, dilution, cetane rating, cold engine behavior, heating value.
  • Storage stability, oxidation stability.
  • "Biohydrocarbons” (hydrotreated oils): production modes, characteristics.
  • Biofuels for aeronautic turbine
  • Certification, fit-for-purpose tests, drop-in fuel.
  • Main certified (or in certification process) production ways: DVO hydrotreatment, synthetic biofuels, biological processes.
  • Impact on logistics, aeroplanes and aeronautic turbines.

Other alternative fuels

0.25 day

  • Synthesis alternative fuels: GTL, BTL, Methanol (production processes).
  • Economical and environment impact.

Gaseous fuels: GPL-C, NGV (Natural Gas Vehicle), DME, hydrogen

0.25 day

  • Origins and resources of these fuels.

Impact of new fuels on ic engines & turbines operation

1 day

  • Impact of partial or full use of new fuels on performances, polluting emissions and on-board storage.
  • Case study and adaptation:
  • Road transportation engines: passenger cars and trucks.
  • Industrial and stationary engines.
  • Marine engines.
  • Stationary turbines.
  • Aero turbines.
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