Many vessels have been dismantled based on energy efficiency considerations, becoming an environmental problem and contributing to the non-sustainability of materials. Revamping existing ships in view of improving their operating costs may be seen as a sustainable approach.

The article focuses on the use of a specific procedure to determine and evaluate the ship energy improving actions and their technical and economic evaluation, therefore allowing the support of the revamping or scrapping decision.

This article uses a number of existing ships as examples.

Written by

Jorge Antunes
PhD, MSc Marine Engineering

16 pages




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