This is a brilliant idea! South Korea has also ordered three U214 submarines to enter service in 2007, 2008 and 2009 and to be built by Hyundai Heavy Industries.The American Office of Naval Research (ONR) is also developing innovative propulsion systems based on new fuel-cell technology for efficient generation of electrical power—and greater design flexibility—for future ships.ONR program officer Anthony Nickens explains that "the Navy's shipboard gas-turbine engines typically operate at 16 to 18 percent efficiency because Navy ships usually sail at low to medium speeds that don't require peak use of the power plant. The system consists of nine PEM (polymer electrolyte membrane) fuel cells, providing between 30 and 50kW each.For higher speeds, connection is made to the high-performance lead acid battery.
The amount of stored reactants combined with the excellent efficiency of the energy converting fuel cells provide the submarine with a zero-emission, pollution free alternative power source.The U212 combines a conventional diesel generator with a lead acid battery and an air-independent propulsion (AIP) system for silent slow cruising, and a fuel cell equipped with oxygen and hydrogen storage. Initial study started on a Type 209 improved design, with AIP capability, called Type 212. A diesel reforming system would take advantage of the relative low cost of the fuel and the Navy's established infrastructure for buying, storing, and transporting it. The company that makes this new monster also made the world's first wartime submarine, and is now offering retrofits.Manufactured by German company Howaldtswerke-Deutsche Werft GmbH (HDW) in Kiel, this landmark modern-day U-boat can trace its lineage all the way back to the world's first operational submarine which saw service during the German-Danish war of 1851.Then trading as Schweffel & Howaldt, the company was contracted to build the world's first submarine, the "Brandtaucher", only because the Danish troops had advanced too close to the shipyards of the first company contracted to create the submarine. Global militaries have long been developers of, and investors in, new technologies and innovations
The intention is to keep the same configuration of the first series and reduce maintenance costs. Since then we’ve produced more than 50,000 articles covering advances in technology, science, transportation, architecture, design, and many other disciplines.
The propeller motor is directly coupled to the seven-bladed screwback propeller.The U214 submarine, still in development, has a displacement of 1,700 tonnes, is 65 metres long and is manned by a crew of 27. See the stories that matter in your inbox every morning. Type 212 is the first fuel cell propulsion system equipped submarine series. New Atlas has been celebrating innovation and human endeavor since our first website launched on March 1, 2002. On 21 April 2008 the Italian Navy ordered the optional second batch of submarine, in the same configuration of the original ones. HDW is also developing the U214 fuel-cell submarine for export markets. Air-independent propulsion is any marine propulsion technology that allows a non-nuclear submarine to operate without access to atmospheric oxygen.
Without needing to surface for such extended periods, the U212 can operate silently without emitting exhaust heat and thus reduce detection. The electric energy produced is then fed to the submarine's main switchboard. The fuel cell has many advantages for submarines, the most compelling being that of completely silent running. The diesel generator plant is mounted on a swinging deck platform with double elastic mounts for noise and vibration isolation. Unlike other non-nuclear submarine variants such as gas turbine and diesel engines, fuel cells can also be distributed throughout a ship for increased design flexibility, which in turn reduces shipbuilding costs. In the fuel cells hydrogen and oxygen are combined to water, thus giving off electricity (DC).
There is no effective way to regulate pollution emmissions from ships, yet the fuel cell has a bright future under the water as the best alternative to nuclear energy.
A century and a half later, the HDW Group is a major force in the shipbuilding industry, and has been experimenting with fuel-cell technology for submarine propulsion since the late 70s.The company's latest line of U212 and U214 Class non-nuclear submarines have been developed using a silent operating fuel cell plant that runs on nine 34-kilowatt Siemens polymer electrolyte membrane (PEM) hydrogen fuel cells. hydrogen or methanol) and an oxidation agent (liquid oxygen/ LOx), all of which are stored on board.
AIP can augment or replace the diesel-electric propulsion system of non-nuclear vessels. Performance of the AIP system has been increased with two Siemens PEM fuel cells, which produce 120kW per module and will give the submarine an underwater endurance of two weeks.The HDW fuel-cell plants are being incorporated into all newly designed boats such as the U212 and U214 Class, but a fuel-cell plug-in section can also be integrated into an existing non-nuclear submarine during modernisation upgrades.The German Navy has ordered four of the U212 submarines, with another two being built by Fincantieri for the Italian Navy. Thanks to a very high efficiency, the amount of waste heat is very low.
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