Main goals of this work package are: the development of the layout of the engine room with SOFC and battery gensets, the preparation of layouts, designs and concepts for connecting the gensets with auxiliary systems, supply systems, electrical and thermal systems of the ships and the development of a digital demonstrator of the integrated ship energy system with the genset.
4.1 WP Leader
4.2 Tasks and Outputs
On-board assembly strategy
- Reference cruise profiles have been provided for an expedition cruise ship (about 50 000 GT) by Meyer Werft (MW) and a large destination cruise ship (200 000 GT) by Chantiers de l'Atlantique (CdA)
Figure 1 Expedition cruise ship with 50 000 gross tonnes (side view)
- Load cases and ship integrations were assessed and elaborated for these two reference ships. The following power plant configurations were addressed (see Figure 2):
Figure 2: Increasing total installed power and share of the genset for the different ship scenarios
- The aspects of the SOFC integration have been discussed and elaborated to find a suitable generalized design of a SOFC room with approx. 1 MW electrical power. Space-optimized placement of BoP components and piping, as well as space reservation for maintenance accessibility and escape routes have been considered, to name a few aspects. The specific on-board arrangement has been developed by applying the generalized SOFC room design, respecting the ship’s specific boundary design conditions and the integration case related size of the SOFC gensets.
- Deliverable D4.1 – On-board arrangement strategy – completed.
Auxiliary and supply systems integration
- The auxiliary and supply system concepts have been developed under this task.
- Compared to conventional ICE generators, adaptation was needed for the process air supply system, fuel supply system, nitrogen supply system, water supply system, flue gas exhaust system and ventilation air supply and exhaust system.
- Deliverable D4.2 – Auxiliary, fuel supply and exhaust venting systems – completed.
Electrical and thermal ship integration
- The electrical integration of the SOFC-battery genset has been developed and evaluated.
- The thermal integration of the SOFCs has been developed to use the flue gas heat in the ship’s heat recovery system.
- Deliverable D4.3 – Electrical and thermal energy system integration – completed.
Energy simulation - digital demonstrator
- This task is linked to the numerical fuel cell model developed by VTT Technical Research Centre of Finland, which is used by both shipyards for their investigations.
- The energy simulations cover electrical and thermal load scenarios to investigate the coverage of electrical and thermal demands via the SOFC-battery genset and to calculate efficiencies and emissions.
- Deliverable D4.4 – Preliminary energy/emission system simulation report – completed.
- Deliverable D4.5 – Energy/emission system simulation report for the chosen cruise ships – ongoing.
4.3 Duration and Status
- Months 22-54
- Status – work in progress
4.4 Highlights
- Developed SOFC integrations for two case study cruise ships (about 50 000 GT by MW and 200 000 GT by CdA)
- Developed concepts for auxiliary and supply systems
- Connection between the shipyard’s energy simulation models and VTT’s SOFC model
- Close collaboration with WP3 to elaborate boundary SOFC room design criteria and an efficient model for the energy system simulations
4.5 Next steps
- Simulation study to be finalized
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Last updated: October, 2024
