Page 32 - 2022 - Q4 - Minerva in Focus

MARINE TECHNOLOGY There is an increasing demand

for designs that increase efficiency

Shipowners have started placing orders advanced electric propulsion scheme that quite new; they are being developed in
for LNG bunkering vessels, such as the uses a full rotation propeller, AFE frequency response to the latest market demand for
8200m3 LNG bunkering vessel built by conversion drive, and two bow thrusters bunkering vessels for ships like passenger
CIMC SOE in China, scheduled for deliv- capable of maintaining the unit in position. ships and containers, which are now under
ery in 2023. The vessel has an advanced The dual-fuel generators adjust to different construction in different shipyards. For this
electric propulsion scheme designed working conditions, changing the number reason, in 2020, RINA developed an addi-
for lower environmental impact and will of on-grid generators according to load and tional dedicated class, “LNG Bunker,” which
be classed by RINA. A second vessel will working conditions. Using an electric propul- includes requirements for the LNG bunkering
also be built at CIMC SOE to the same sion motor gives the ship a fast response and station (manifold); the comprehensive risk
specifications. remarkable control flexibility, further aiding assessment of the LNG transfer/bunkering
its highly efficient operation. system; the vapor handling system; safe-
The new LNG vessel (Hull No. S1058) will be Spyridon Zolotas, Senior Director Marine ty-related systems (such as ESD, ERC), the
engaged in the LNG bunkering market, but Southern Europe & Africa Area Business Custody Transfer system (Quality and Quanti-
its operation can be easily switched between Development at RINA, says, “Such dual-fuel ty), and for other bunkering equipment such
transport and LNG fuel bunkering, depend- vessels take us on the pathway to decarbon- as hoses, mooring and fendering, bunkering
ing on market demands. As well as providing isation. We are seeing an increasing demand safety, and control systems.
this added flexibility, the ship has also been from shipowners for designs that increase This additional class feature has been de-
designed for lower emissions and energy efficiency. We continue to work to ensure veloped to meet the most stringent national
saving with four dual-fuel generators. our services meet the future demands of the and international statutory requirements in
The 113-meter-long S1058 has a width of shipping industry and are delighted to be terms of safety and antipollution, helping
20 meters, a depth of 13.5 meters, and a appointed the class society for this vessel.” to guarantee the safety of this delicate
service speed of 13 knots. It incorporates an Vessels with LNG bunkering features are operation.

From green ports to cutting-edge

ship designs, by your side toward

by Spyridon Zolotas, a net-zero future.
Senior Director,
RINA
Make it sure, make it simple. rina.org
32 MINERVA IN FOCUS – ISSUE 22 / Q4 2022