Propulsion system for marine vessels utilizing a nuclear powerplant
When the nuclear-powered Arktika class 50 Let Pobedy was put into service in 2007, it became the world's largest icebreaker.
Nuclear marine propulsion is propulsion of a ship or submarine with heat provided by a nuclear reactor. The power plant heats water to produce steam for a turbine used to turn the ship's propeller through a gearbox or through an electric generator and motor. Nuclear propulsion is used primarily within naval warships such as nuclear submarines and supercarriers. A small number of experimental civil nuclear ships have been built.[1]
Compared to oil- or coal-fuelled ships, nuclear propulsion offers the advantage of very long intervals of operation before refueling. All the fuel is contained within the nuclear reactor, so no cargo or supplies space is taken up by fuel, nor is space taken up by exhaust stacks or combustion air intakes.[2] The low fuel cost is offset by high operating costs and investment in infrastructure however, so nearly all nuclear-powered vessels are military.[2]
^Wirt, John G (1979). "A Federal Demonstration Project: N.S. Savannah". Innovation in the maritime industry. Vol. 1. National Academies, for Maritime Transportation Research Board, National Research Council (U.S.). pp. 29–36.
^ abTrakimavičius, Lukas. "The Future Role of Nuclear Propulsion in the Military" (PDF). NATO Energy Security Centre of Excellence. Retrieved 2021-10-15.
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