HANSA 01-2019

Schiffstechnik | Ship Technology
The design also utilizes an air-lubrication
system. During sea navigation,
air bubbles are delivered to
the vessel bottom to reduce frictional
resistance between the hull and the
water. During port stays, automatic hull
cleaning robots will clean the dirty hull
to reduce resistance that could negatively
affect vessel efficiency. These robots will
also collect all debris to prevent pollution
of ecological systems at port.
Fuel cell and renewable energy
The vessel is powered by hydrogen fuel
cells (SOFC), in which the hydrogen is
produced by renewable energy sources.
According to NYK, the design has a power
production efficiency of 69% through
waste heat recovery. The hydrogen tank
capacity of 1,900 m3 ensures a 21-day endurance.
The storage of liquefied hydrogen
on board the vessel will be expensive
and require significant space, so fully
utilizing power produced on board is essential.
Therefore, the designers propose
to use solar power allowing for an energy
conversion efficiency of 45%. About
9,000 m2 of solar panels will cover 15%
of the total energy demand.
Holistic Digital Twins of each vessel
will enable access to shorebased expertise
for the crew on board. Several
scenarios can be evaluated
to optimize planned
and corrective maintenance
to minimize accidents
and troubles
on board. Thanks to
advanced weather and
performance optimization,
route planning is no
longer a ship-level activity. It
is done at the port and at fleet
level, which enables just-in-time arrival
throughout the supply chain. Simultaneous
ship-to-berth and ship-toship
cargo work will minimize port stay
hours. Shorter port stays will allow for
slower sea navigation and result in energy
savings. Thanks to improvement of shore
facilities,
automatic
mooring
and berthing will be possible
to minimize port stay hours.
Shore power is also supplied
to the vessel.
In April 2009, NYK released
the initial exploratory
design for its Super
Eco Ship 2030. This concept
already included the
utilization of lightweight
materilas, optimized hull
shape and other progressive
technologies with potential
of being realized by
2030. The 2030 design featured
LNG-based fuel cells,
solar cells and wind power, all
of which will lead to a reduction of
CO2 by 69% per container carried. fs
The Super Eco Ship 2030 already
included other progressive
technologies with potential of being
realized by 2030
Flapping foils mimic the movement
of dolphins (above), pontoon
stabilizers allow for an optimized hull
HANSA International Maritime Journal – 156. Jahrgang – 2019 – Nr. 1 61