Abstract

Traditionally, Naval and Oceanic Engineering has been focused on research in surface and submarine ships; and fixed and floating offshore structures. More than 90% of world trade is transported by sea, so it is not surprising that most research efforts have been focused on making merchant ships more efficient and safer. Something similar is happening in the offshore industry driven by the demand for energy. Despite the evident need to perform research in the traditional fields of Naval and Oceanic Engineering, new challenges have caused universities and research centers to tackle new fields of research. This paper presents some of the research and innovations developed at the Institute of Naval and Maritime Sciences (ICNM) of the Austral University of Chile (UACH). These new frontiers for research address problems as diverse as the capturing of energy from waves and currents [1], the development of structures and systems for aquaculture [2], the design of autonomous underwater vehicles [3], the use of solar energy for the propulsion of small boats [4] and the design of floating ports for remote areas [5].

Highlights

  • IntroductionResults obtained for systems exposed to extreme wave and current conditions, both in numerical models and field tests, demonstrate the feasibility of the installation and operation of these structures and open the door for the future development of the industry in exposed areas [11]

  • The Institute of Naval and Maritime Sciences has a long history of research and innovation

  • Test channels have been used to determine vessel resistance and wave behavior, with the right instruments it can be used in objectives as diverse as measuring the efficiency of wave energy converters [6] or tidal turbine forces

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Summary

Introduction

Results obtained for systems exposed to extreme wave and current conditions, both in numerical models and field tests, demonstrate the feasibility of the installation and operation of these structures and open the door for the future development of the industry in exposed areas [11]. The main disadvantage of electric propulsion systems in smaller ships lies in the limited capacity to store energy on board, due to the large weight and volume of batteries required For this reason the power of the engine is generally modest and the speed of the boat it is relatively low compared to what could be achieved by a conventional propulsion system based on an internal combustion engine.

Conclusions
Findings
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