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LH2 storage and fuel-system below deck, integrated in a Service Operating Vessel

Project description

LH2 below deck storage and fuel-system solution

The push for a green transition aimed at carbon neutrality has led various sectors to adopt green solutions. In the maritime industry, liquid hydrogen is a promising alternative fuel but its potential is hampered by design challenges when stored inside the ship. The EU-funded NAVHYS project will develop the design concept, confirmed by an approval in principle (AiP), for a below-deck liquid hydrogen (LH2) storage and fuel distribution system adapted to a service operating vessel (SOV). As part of the project’s value proposition, knowledge from the space industry will be transferred to the maritime domain to provide a state-of-the-art fuel system solution with improved safety and high operational efficiency.

Objective

To achieve the ambitious objectives set at the international level, the transition to an alternate low carbon energy source will become essential. Since batteries are limited to smaller ship, and synthetic-fuel will remain hardly available, hydrogen will irremediably appear as the best alternative energy. However, the related challenge is to store efficiently and safely hydrogen, and here Liquid Hydrogen (LH2) is the most attractive solution. Alternate storage solutions (CH2, ammonia…) have lower power-to-volume ratio, and additional constraints, such as high-pressure, toxicity, reverse transformation etc. Moreover, LH2 is already becoming a standard in space, aeronautics, motorsport, trucks.
NAVHYS aims at providing a concept based on a LH2 storage and fuel-system below deck, integrated in a Service Operating Vessel to provide to wind energy providers a fully decarbonized solution. The design of the LH2 system, its integration in the ship and the risk analysis will be very challenging as they deviate from previous prescriptive safety rules and design guidelines.
NAVHYS will design a fuel-system to supply GH2 at 5 bar/Tambiant to be used in any propulsion system to produce from 500kW to 2MW. This system will integrate a LH2 pump, benefiting from ArianeGroup’s experience in Ariane 6, thus making it more robust to sloshing and allowing beneficial impact of low-pressure tank considering sizing and loading limit. A prototype of the distribution system will be tested on ArianeGroup test bench.
NAVHYS will confirm the safety and the operability of the proposed design with an Approval in Principle delivered by the Classification Company Bureau Veritas.
NAVHYS will address refuelling operations and supply chain evaluation, based on the HORIZON Europe DelHyVEHR project which already aims at demonstrating the capacity to refuel LH2 with a high flowrate.
NAVHYS will also integrate an analysis of the potential scale-up of the system and a spill-over towards other applications.

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HORIZON-JU-RIA - HORIZON JU Research and Innovation Actions

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Call for proposal

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(opens in new window) HORIZON-JTI-CLEANH2-2024

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Coordinator

ARIANEGROUP GMBH
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 735 282,00
Address
ROBERT-KOCH-STR. 1
82024 Taufkirchen
Germany

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Region
Bremen Bremen Bremen, Kreisfreie Stadt
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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