Journal
OCEAN ENGINEERING
Volume 266, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.oceaneng.2022.112798
Keywords
Maritime transport; Bulk shipping; GHG; Ship design; Wind assisted propulsion; Alternative fuels
Funding
- Norwegian Research Council's
- CLIMMS focuses on Climate change mitigation in the maritime sector and Developing pathways for the transformation of the international shipping sector towards the IMO goal for 2050
- [Forskningsrad]
- [237917-SFI]
- [294771-CLIMMS]
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This paper explores the decarbonization of bulk shipping through optimizing ship design and implementing alternative power. The results indicate that utilizing slender hulls and wind-assisted propulsion systems can significantly reduce energy consumption and greenhouse gas emissions. Furthermore, when combined with zero-carbon fuels, a 100% reduction in greenhouse gas emissions can be achieved.
The Sixth Assessment Report by the Intergovernmental Panel on Climate Change (IPCC) stresses the urgency to rapidly reduce global Greenhouse Gas (GHG) emissions to contain global warming. The main focus in the design of bulk vessels for several decades has been maximizing cargo-carrying capacity at the lowest build cost. Reduction in energy consumption and emissions, if achieved at all, was heavily limited by the main design focus. This paper decarbonizes bulk shipping by combining ship design and alternative power. The results indicate: First, building more slender bulk vessels that are powered with wind-assisted propulsion reduces fuel con-sumption and GHG emissions by around 25% at an abatement cost of less than Zero, i.e., free of charge; Second, when combining slender hull and wind-assisted propulsion with Zero-carbon fuels, a 100% GHG reduction comes at an abatement cost of 328 USD per ton of CO2, which is still significantly less than the 459 USD per ton of CO2 with Zero-carbon fuels only.
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