The difference between a nuclear-powered submarine and a conventional submarine is the power generation system. Nuclear submarines use nuclear reactors to generate power. One produces electricity to power the ship’s electric motors, while the other uses the heat generated by the reactor to produce steam power to drive the turbines. The reactors used in submarines typically use highly enriched fuel (rates of 20% or more) to provide high power density. The nuclear reactor also provides power to other subsystems of the submarine, such as air quality maintenance, fresh water production by desalinating salt water, and temperature control. All nuclear submarine reactors today operate in conjunction with diesel generators as a backup power system. These generators can provide emergency power to an emergency propulsion system, as well as emergency electrical power for reactor shutdown cooling. Submarines can carry nuclear fuel for up to 30 years of operation. The only limiting factor in time at sea is the supply of provisions for the crew and the maintenance of the ship.
This description has been adapted from Wikipedia sources and is licensed under the CC BY-SA 4.0 license.
This description has been adapted from Wikipedia sources and is licensed under the CC BY-SA 4.0 license.
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