Potential analysis for direct gas injection

  • Acquisition of suitable injection components and upgrade of existing gas infrastructure
  • Injector measurement consisting of injection rate analysis as well as high temperature / high pressure injection chamber tests
  • Simulative 0D/1D motor process calculation to support test results
  • Evaluation & potential assessment of the individual combustion processes based on engine tests and simulation results

Responsible project partners: LKV, FVTR

Evaluation of renewable fuels

  • Substitution of the conventional pilot fuel with renewable biofuels or synthetically produced PtL fuels
  • Existing natural gas supply supplemented with hydrogen blends
  • Application of synthetic methane
  • Evaluation & potential assessment of engine tests with regenerative fuels
  • Thermodynamic evaluation and potential assessment of different synthetic fuels with respect to zero impact emissions using 0D/1D engine process calculation

Responsible project partners: LKV, FVTR

Simulative basic development of the DI gas combustion process

  • Adaptation or new development of existing simulation models for the analysis of combustion processes for medium and high pressure direct gas injection
  • 3D CFD engine process simulation of physical and chemical processes
  • Special attention to the development of a methane slip model

Responsible project partners: LKV, FVTR

Post engine methane reduction

  • Development of the catalytic coating and the coating process for fiber composite substrates
  • Real measurement of catalyst samples in a partial flow exhaust section installed on test bench engine
  • Development process for optimum balance between the internal engine process and the performance characteristics of the catalytic converter

Responsible project partners: Umicore, LKV, FVTR

Potential assessment of AGR use

  • Development and application of a customized exhaust gas recirculation concept
  • Evaluation & potential assessment of engine tests with EGR
  • Engine tests supported by 0D/1D motor process calculation

Responsible project partners: LKV, FVTR, KBB

Crankcase atmosphere analysis

  • Development of a sensor for hydrogen selectivity
  • Enhancement of the GasMOS system to include the detection of hydrogen in crankcase gases
  • Evaluation of the influence of individual measures on the crankcase atmosphere

Responsible project partners: Schaller, LKV, Sick

Optimizations of the combustion chamber geometry

  • Selection of different compression ratios using 0D/1D engine process calculation
  • Evaluation & potential assessment of variable compression ratios in engine tests
  • Test of novel manufacturing processes on piston prototypes
  • Manufacturing of piston segments by means of novel joining processes
  • Analysis of the effect of laser-hardened ring grooves on wear and deposit formation
  • Piston crown optimization to reduce CH4 emissions

Responsible project partners: Kolbenschmidt, LKV, FVTR

Investigations with variable valve timing

  • Analysis of the possibility of reducing methane slip caused by valve overlap by using FCT or variable cam segments
  • Potential evaluation of 2-stage turbocharging in combination with variable valve timing using engine simulation and engine tests

Responsible project partners: LKV, FVTR