Launch of an innovative fishing vessel in Turkey

Turkey’s Cemre shipyard held a launch ceremony for the new Selvåg Senior trawler being built for Norwegian owner Sørheim Holding.

Developed in partnership with Skipsteknisk and Selvåg AS, the 79.5-meter-long Selvåg Senior seiner trawler will be the third in the world to use liquefied natural gas (LNG), after the Libas and Sunny Lady built by Cemre.

Thanks to the LNG fuel system, the new trawler will adapt to the new flow of “environmentally friendly” vessels by reducing carbon emissions in accordance with the IMO Tier III standard. Liquefied natural gas maintains a temperature of approximately -140°C to -160°C and must be heated in gaseous form to function as a fuel. A cold recovery system will use excess gas heating energy to maintain refrigerated sea water (RSW) in the cargo tanks.

In accordance with the green flow, excess heat from the exhaust will be recycled and converted to produce clean electricity. The new Selvåg Senior is the first newly built fishing vessel in the world to adopt this technology.

A 1 MWh battery will be fitted, replacing a diesel-powered auxiliary engine and helping smooth the load on the main engine during the voyage and also being a power source in port.

The vessel’s electric platform is based on a “DC grid” solution which offers full flexibility in the use of the main engine over its entire rpm range. It can be described as an automatic and more efficient management of the vessel’s alternative operating mode and will also have major impacts on the optimization of the propeller.

In total, all the measures will represent an overall reduction in greenhouse gas emissions of up to 42% compared to building the new Selvåg Senior with conventional technology, according to the builder.

The vessel will be equipped for pelagic trawling and purse seining with both side and stern pumping. All winches and fish pumps will be electrically driven and return effects will go to the battery bank.

Both the shipping company and the designer worked with the Norwegian research institute SINTEF to achieve the best possible circulation and cooling of the cargo tanks. Then the 12 tanks of the ship with a total volume of 2,500 m³ are designed accordingly.

The ship that will be built in accordance with the DNV GL class will fly the Norwegian flag.

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