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Figure A - Barge Physical Model

Designing for Efficiency


Designing efficient vessels is the heart of what naval architects do. Efficiency in this case is defined as the ratio of useful travelled distance of goods or cargo; divided by the total energy put into the transportation propulsion means. In other words, a more efficient vessel design will require less fuel (cost) to move a given cargo a certain distance. This paper will explain why efficiency is important and will explore some aspects of small coastal vessel design that can improve vessel efficiency. We will also investigate several of the techniques that are used to analyze a vessel’s efficiency utilizing Articulated Tug-Barge (ATB) units as case studies.

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