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  2. Pressurized water reactor - Wikipedia

    en.wikipedia.org/wiki/Pressurized_water_reactor

    A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan, India and Canada). In a PWR, water is used both as a neutron moderator and as coolant fluid for the reactor core.

  3. Light-water reactor - Wikipedia

    en.wikipedia.org/wiki/Light-water_reactor

    Most reactor systems employ a cooling system that is physically separate from the water that will be boiled to produce pressurized steam for the turbines, like the pressurized-water reactor. But in some reactors the water for the steam turbines is boiled directly by the reactor core, for example the boiling-water reactor.

  4. Nuclear reactor - Wikipedia

    en.wikipedia.org/wiki/Nuclear_reactor

    Pressurized water reactor (PWR) Pressurized water reactors constitute the large majority of all Western nuclear power plants. A primary characteristic of PWRs is a pressurizer, a specialized pressure vessel. Most commercial PWRs and naval reactors use pressurizers.

  5. Mitsubishi APWR - Wikipedia

    en.wikipedia.org/wiki/Mitsubishi_APWR

    The Mitsubishi advanced pressurized water reactor (APWR) is a generation III nuclear reactor design developed by Mitsubishi Heavy Industries (MHI) based on pressurized water reactor technology. It features several design enhancements including a neutron reflector , improved efficiency and improved safety systems.

  6. Pressurizer (nuclear power) - Wikipedia

    en.wikipedia.org/wiki/Pressurizer_(nuclear_power)

    In a pressurized water reactor plant, the pressurizer is basically a cylindrical pressure vessel with hemispherical ends, mounted with the long axis vertical and directly connected by a single run of piping to the reactor coolant system. It is located inside the reactor containment building. Although the water in the pressurizer is the same ...

  7. Rolls-Royce PWR - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_PWR

    Rolls-Royce Marine Power Operations at Derby was the centre for design and manufacture of the UK's submarine reactors, and remains so today. The Ministry of Defence's Vulcan Naval Reactor Test Establishment (NRTE), at Dounreay, tested each reactor core design prior to its installation in nuclear submarines. Submarines. Prototype

  8. Pressurized heavy-water reactor - Wikipedia

    en.wikipedia.org/.../Pressurized_heavy-water_reactor

    A pressurized heavy-water reactor (PHWR) is a nuclear reactor that uses heavy water (deuterium oxide D 2 O) as its coolant and neutron moderator. [1] PHWRs frequently use natural uranium as fuel, but sometimes also use very low enriched uranium .

  9. AP1000 - Wikipedia

    en.wikipedia.org/wiki/AP1000

    Computer generated image of AP1000. The AP1000 is a nuclear power plant designed and sold by Westinghouse Electric Company.The plant is a pressurized water reactor with improved use of passive nuclear safety and many design features intended to lower its capital cost and improve its economics.