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Germanischer Lloyd (GL) says its preliminary approval of Technolog's
IPP-designed range of LNG-fuelled containerships will mean cost savings for
shipowners and managers, reports Motorship of Fareham, Hampshire.
"At GL we see the
development of LNG as a fuel for shipping as a key part of the industry's drive
to curb costs, reduce emissions, and remain the world's most efficient means of
transporting goods," said GL's R&D chief Pierre Sames.
"The spread of LNG
technology will not only allow the industry to improve its overall
environmental footprint, but to remain competitive in an era of rising
bunkering costs," Dr Sames said.
GL said the virtual
elimination of sulphur and particulate emissions and significant reductions in
NOx and CO2 mean that the LNG option should be considered by every shipowner
and operator.
Suitable designs are now
ready for the market, of which the Technolog Stream range of 3,000-TEU to
5,000-TEU vessels designed for worldwide service is a good example, said the
report.
"The entire vessel
design concept is focused around saving energy. A single screw is directly
driven by a dual-fuel, two-stroke, 22.9 MW engine developed specifically for
LNG applications by MAN. The same dual-fuel system is used for the auxiliary power
generators and boilers. Exhaust gas boilers and waste heat recovery equipment
are also included in the design," said the report.
The LNG fuel systems were
developed jointly with TGE Marine Gas Engineering and include a fixed bunker
tank inside the vessel and a portable deck-mounted LNG tank system which can be
used to provide extra capacity. For bunkering, the fuel containers will be
connected to a docking station currently in development.
Hull lines have been
optimised by HSVA (Hamburgische Schiffbau-Versuchsanstalt) with input from GL's
FutureShip unit to minimise fuel consumption as well as resistance in water and
air while maximising cargo capacity and ensuring maximum stability.
Source : HKSG.
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