![]() ![]() The secondary system is isolated from the primary system so that the water in the two systems does not intermix. In the steam generators, the heat from the water in the primary system is transferred to the secondary system to create steam. This water is pumped through the steam generators and back into the reactor for re-heating. The heat produced in the reactor is transferred to the water under high pressure so it does not boil. The primary system circulates ordinary water and consists of the reactor, piping loops, pumps and steam generators. The nuclear propulsion plant uses a pressurized water reactor design which has two basic systems - a primary system and a secondary system. Since the fisioning process also produces radiation, shields are placed around the reactor so that the crew is protected. The heat comes from the fissioning of nuclear fuel contained within the reactor. The propulsion plant of a nuclear-powered ship or submarine uses a nuclear reactor to generate heat. Reactor vessel, heat exchanger(s) (steam generator), and associated piping, pumps, and valves.Įach reactor plant contains over 100 tons of lead shielding, part of which is made radioactive byĬontact with radioactive material or by neutron activation of impurities in the lead. The components of the nuclear power plant include a high-strength steel A nuclear-powered ship is constructed with the nuclear power plant inside a section of the shipĬded the reactor compartment. ![]()
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