They typically run on steam power, using nuclear reactors to create the steam. Prior to the development of the nuclear power systems, they used electric motors through batteries, that were charged using diesel engines. On the surface the diesel also propelled the shafts.
Heat from the nuclear reaction changes water to steam.
The key to the range and duration of the modern nuclear submarine is the nuclear reactor. The reactor generates heat through nuclear fission, and this does not use air (or the oxygen in it). The heat is used to make steam, and the steam drives conventional steam turbines. With a large power source and no requirement to be on the surface, the boats can stay down for an extended period limited only by the amount of provisions they can stow aboard prior to deployment.
The Navy uses Nuclear Power to create steam. Steam is then used to power steam turbines, which in turn power the ship's screws and generators. The US Navy has steam plants, gas turbines, diesel and nuclear powered vessels.
Heat from the nuclear reaction changes water to steam.
Nuclear reactors produce heat, the heat then is used to make steam, turning turbines. Therefore, the waste of a nuclear power plant is excess steam.
Sorry, but that information is classified.
The steam turbines (which use the steam produced by the hot nuclear pile).
It is used for electricity in nuclear power plants == == Nuclear power is used to heat steam which then turns turbines, which generate electricity in nuclear power stations and also to provide propulsion and power on board nuclear submarines.
Nuclear power as used in present day nuclear reactors comes from the fission of U-235 and also Pu-239. This is released as heat in the fuel rods which is then used to produce steam for a conventional steam turbine/generator
Nothing but the terminology. "Atomic" was the term used in the early days of nuclear weapons and nuclear power. "Nuclear" (describing the fission process of nuclear power and nuclear weapons) became the term when fusion bombs became reality, as Atomic can refer to both fission and fusion processes.
The nuclear reaction produces heat, which is used to boil water. The steam then drives a steam turbine, producing electricity.