LR gives approval for eco-tanker
Lloyd's Register (LR) has presented Hyundai Heavy Industries (HHI) with approval in principle (AiP) for a very large crude carrier (VLCC) ‘eco-tanker’ design, capable of using volatile organic compounds (VOC) mixed with LNG as fuel and Norsepower’s rotor sail solution for wind-assisted propulsion.
The VOC recovery system was developed by HHI and will allow the VLCC to use fuel produced from naturally-occurring vapour from the cargo tank during operation. The impact of Norsepower’s rotor sail solution was reviewed using computational-fluid dynamics during the project and it was confirmed that it has the potential of providing 5-7% fuel savings, dependent on operating routes.
The AiP demonstrates the potential for reducing emissions in ship designs, by combining VOC recovery and LNG in a dual-fuel system with the addition of rotor sails, to help the shipping industry address the challenge of reducing carbon emissions by 2050.
Hong-Ryeul Ryu, vice president in the initial design office of HHI, said the focus was on developing clean and smart ships that are technically reliable and commercially feasible. “We are doing our best to design advanced ships that will benefit ship owners and lead eco-friendly shipping. We believe that these efforts will bring us a step closer to the future,” he said.
Jukka Kuuskoski, chief sales officer of Norsepower, said the company was excited to be collaborating with HHI and LR. “We are optimistic that support from these industry leading organisations will open up the market for our rotor sail technology, propelling towards a modern era of auxiliary wind propulsion for the global maritime industry,” he said.
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