Fuel cells apparently make a good submarine hard to find. While fuel cell automobiles promise reduced emissions on land, the high seas have long enjoyed a virtual amnesty from air-emission regulations.
Emission-free on the Alster: Since August 2008, Hamburg-Visitors to the “FCS Alsterwasser” ecologically correct on the central waters of the Hanseatic City of sail. Makes it possible to combine electric and fuel cell: The energy comes from a hydrogen tank, up to 50 kilograms may be – that’s enough for four days. From the hydrogen produces fuel cell then electrical energy for the motor.
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. An air-independent fuel cell propulsion (AIP) system provides an extreme increase in underwater endurance, increased diving depth and overall efficiency.
The development will push the Hydrogen Bus Alliance. Partners of the merger include the cities of Berlin, Hamburg, London and Madrid. Between 2009 and 2011 counts Melczer because of the twinning with a demand of more than 50 buses, from 2011 to 2013 should be 100 and in the years 2013 to 2015 will be 500 buses.
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. The system consists of nine PEM (polymer electrolyte membrane) fuel cells, providing between 30 and 50kW each.
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. The propulsion is again provided by a Siemens Permasyn engine which draws its power supply either from the fuel cells or from batteries which are fed by a diesel generator. 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.
Posted under Fuel Cells
This post was written by admin on May 6, 2009
Yes the hydrogen from cells is OK but dont forget the Electrolysis for combution – check this projects:
Tip Info / New Technology Submission – Gearturbine – Atypical
http://gearturbine.260mb.com/
YouTube Video; Atypical New * GEARTURBINE / Retrodynamic
GEARTURBINE -Atypical Combustion Turbine Engine, -State of the Art, -New Thermodynamic Technology, -With Retrodynamic “Dextrogiro vs Levogiro” Effect, is when the inflow direction moves is against of the circular rotary dynamic, RPM Rotor Move VS Inflow Conduits Way, making in a simple way a very strong concept of power thrust, a unique technical cuality. -Non Waste, parasitic losses form-function engine system for; cooling, lubrication & combustion; -Lubrication & Combustion inside a conduit radial position, out way direction, activated by centrifugal force (centrpetal to in), -Cooling in & out; In by Thermomix flow & Out by air Thermo transference, activated by the dynamic rotary move, -Increase the first compresion by going of reduction of one big circunference fan blades going to, -2two very long distance cautive compression inflow propulsion conduits (like a digestive system) (long interaction) in perfect equilibrium well balanced start were end like a snake bite his own tale, -Inside active rotor with 4 pairs of retrodynamic turbos (complete regeneration power system), -Mechanical direct “Planetary Gear” power thrust like a Ying Yang (very strong torque) (friendly loose friction) 2two small gears in polar position inside a bigger shell gear, wide out the rotor circunference were have much more lever power thrust, lower RPM in a simple way solution for turbines, to make posible for a some new work aplication (land). -3 Stages of inflow turbo compression before the combustion. -3 points united of power thrust; 1- Rocket Flames, 2-Planetary Gear & 3-Exhaust Propulson, all in one system. -Combustion 2two continue circular moving inside rocket Flames, like two dragons trying to bite the tail of the opposite other. -Hybrid flow system diferent kind of aerolasticity thermoplastic inflow propulsion types; single, action & reaction turbines applied in one system, -Military benefits, No blade erosion by sand & very low caloric target profile. -Power thrust by barr (tube); air sea land & generation aplication, -With the unique retrodynamic technical cuality of “dextrogiro vs levogiro” effect is when the inside flow moves against of the rotor moves making a very strong concept, RPM Rotor Move VS Inflow Conduits Way (an a example is like to move the head to the side of the strike ponch) -A pretender of very high % efficient power plant looking to make posible a cheap electrolysis. -Patent From;Dic 1991 IMPI Mexico #197187