Energy Converters

Work area

The focus of the Energy Converters team is on technologies and concepts to make propulsion systems in the maritime industry, as well as other sectors, more environmentally friendly, thereby contributing positively to the overall societal climate balance.

© Fraunhofer IGP / alpha3

Propulsion systems will be developed and modified on test benches, where different operating strategies, innovative components, and particularly alternative, climate-friendly fuels will be tested and implemented. Examples include the evaluation of different injection strategies to reduce methane slip, testing alternative injector geometries to improve combustion behavior, or retrofitting a complete combustion engine to operate, for example, with methanol. The use and testing of energy converters operating with alternative fuels is specifically emphasized as a core topic. At this point, these include hydrogen and its derivatives, methanol and ammonia. In the future, they are expected to be used both as additives to marine diesel and as standalone fuels. The bridge technology LNG is also being considered at the location. 

Services

Cluster I: Combustion process optimization on full engines for new fuels (LNG, Methanol, Ammonia, Hydrogen)

  • Evaluation and classification of PtX fuels
  • Impact of PtX fuels on engine components: pistons, liners, injectors, turbochargers, pumps, valves, sensors
  • Studies on interactions between fuel and lubricating oil

Cluster II: Lubricating Oil and Tribology in the Complete System

  • Development and testing of tailored lubricating oils
  • Engine endurance tests (e.g., to evaluate different lubricating oils & additives)
  • Wear tests with component measurements

Cluster III: Component Functionality in the System

  • Investigations of complete systems on full engines (e.g., exhaust aftertreatment, injection systems, etc.)
  • Testing of novel coating systems on engine components
  • Material tests on engine components (e.g., in the fuel system)

Cluster IV: Hybrid Propulsion Systems

  • Load control in hybrid systems with engines (electric + internal combustion), batteries, and fuel cells
  • Platform for testing the performance of systems and components under ship movement conditions
  • Test field for maritime fuel cells
  • Investigation of novel technologies for the conversion and utilization of hydrogen derivatives onboard (generators, plasmalysis, reformers, crackers)
  • Practical and model-based replication of reference scenarios to support decision-making in the design of hybrid propulsion systems

Cluster V: Testing / Trials / Safety

  • Development of new testing methods (laboratory/technology center) as a basis for standardization/specification
  • Development of safety systems for the use of new fuels
  • Conducting acceptance runs
  • Testing of components (when suppliers change, regulatory changes)

For more information on equipment, fuels, etc., visit: Research & Development Infrastructure

 

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