Hydrolysis-driven Propulsion System  for Submersibles: the Invention and Development   of the Chemical Buoyancy Drive - Jo Borchsenius - Books - LAP LAMBERT Academic Publishing - 9783659115783 - June 24, 2012
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Hydrolysis-driven Propulsion System for Submersibles: the Invention and Development of the Chemical Buoyancy Drive

Jo Borchsenius

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Hydrolysis-driven Propulsion System for Submersibles: the Invention and Development of the Chemical Buoyancy Drive

The research presented herein intends to improve the flexibility of underwater gliders with the development of a novel propulsion system. The proposed Chemical Buoyancy Drive is indicated to yield up to 20 times the amount of available electric energy and exhibit 90% propulsion efficiency, compared to that of the commercial underwater glider ?Spray? at a depth of 1,500 m. Its performance is readily optimised to any depth, and there is no need for a thermal incline in the operational environment. The need to isolate the energy storage from external pressure is eliminated by the use of lithium hydride suspended in slurry, which is reacted with seawater to generate hydrogen. The subsequent increase in volume results in propulsion through the induced hydrodynamic forces on the hull, and the hydrogen can be consumed in a fuel cell providing electric energy. A prediction of the drive?s performance to 10,000 m depth is presented. This has been verified through the developed experiments to an equivalent of 3,000 m. The proposed Chemical Buoyancy Drive could be a competitive alternative to the propulsion of underwater gliders and other autonomous underwater vehicles.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released June 24, 2012
ISBN13 9783659115783
Publishers LAP LAMBERT Academic Publishing
Pages 124
Dimensions 150 × 7 × 226 mm   ·   203 g
Language German