MAN Cryo develops liquefied hydrogen fuel-gas system

MAN Cryo develops liquefied hydrogen fuel-gas systemImage courtesy of MAN Energy Solutions

MAN Cryo, the unit of MAN Energy Solutions, has developed a marine fuel-gas system for liquefied hydrogen in cooperation with Fjord1 and Multi Maritime in Norway.

Multi Maritime’s hydrogen vessel design for Fjord1, including the MAN Cryo, Hydrogen Fuel Gas System, has been granted preliminary approval in principle, by the DNV-GL classification society.

The system has a scalable design that allows easy adaptation for different shipping types, sizes and conditions. The design is suited for both above- and below-deck applications, offering ship designers the flexibility to optimize their designs in relation to efficiency, and to cargo or passenger space.

MAN Cryo said that previous hydrogen installations over the years on land that, in combination with its experience from marine fuel-gas systems for LNG, have been invaluable when designing the new system.

Liquefied hydrogen has a temperature of -253° Celsius and is one of the coldest cryogenic gases there is, which places system components and materials under extreme stresses.

Once liquefied, hydrogen is reduced to 1/800th of its volume, compared to that of its gas phase, facilitating a more-efficient distribution.

As a fuel, hydrogen does not release any CO2 and can play a role in the transition to a clean, low-carbon, energy system. Liquefied hydrogen can be used to charge batteries for electrical propulsion via fuel-cell technology.

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