Demonstrator-MERC: Stoichiometric small TC-VVA-DI water injection engine

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Deliverables
D3.1 Report on Concept and Design Study
D3.2 Layout Combustion System CFD
D3.2 Layout Combustion System CFD
D3.3 Water Filtering System Design
D3.4 Engine Testing And Calibration
D3.4 Engine Testing And Calibration
D3.5 Engine Testing and Simulation
D3.6 on the water & gasoline spray investigations and PWI vs. DWI engine investigation
D3.7 Validation Report Simulation

The full poster and presentation

Focus

  • Selection and optimization of the combustion system to reduce CO2 and to reach future emission demands
  • Setup of a test vehicle with a research drive train including
    – Rightsized engine and advanced components for stoichiometric Miller combustion system
    – New Engine Control Unit with additional required functions
    – Advanced turbocharger and aftertreatment system
  • Water injection as further enabler for increased compression ratio
    – Port Water Injection (PWI) on Demo Vehicle
    – Direct Water Injection (DWI) on Testbench
  • Exhaust gas condensation for water recovery and service free water supply.
  • Final evaluation of achievable CO2 reduction potential with investigated technology by cycle simulation

Engine & Vehicle investigations overview

Hardware design, selection and Combustion Process Development

Water Injection

Results