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Multidisciplinary underwater observatories represent an exceptional technological resource that can signify a qualitative forward step in marine scientific research as well as operational oceanography and climate change study. A cabled underwater observatory system that can provide broad bandwidth communication and power to oceanographic instruments is developed. The observatory consists of a subsea...
The continuous reduction in power consumption of sensing electronics used in underwater applications has led to immense research interests in energy harvesting techniques for self-powered devices. In this paper a new idea is proposed and studied to supply sea bottom low-consumption devices using piezoelectric bimorphs elements. Harvesting this mechanical energy has an important hurdle because of the...
New green energy sources deployed at sea in mobile platforms use power cables in order to transport green energy at sea surface to the bottom. Theses power cables are exposed to the dynamic behaviour of the platform movements due to waves, currents and wind. OBSEA is a seafloor cabled observatory at 20 m depth in front of Vilanova, in Catalan coast. OBSEA captures data in real time like current, waves...
New green energy sources deployed at sea in mobile platforms use power cables in order to transport generated energy at sea surface to the bottom. Theses power cables are exposed to the dynamic behaviour of the platform movements due to waves, currents and wind. Preliminary simulations of the static and dynamic behaviour of a power cable moored at small depth are done. The study is focused on a static...
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