Thick-walled cylindrical steel vessel enclosing the reactorSystem used to initiate, maintain and control a fission chai... corePart of the nuclear reactor where the fission chain reaction... in a nuclear power plantThermal power plant, primarily used for electricity generati.... The vessel is made of a special fine-grained steel well suited for welding and with a high toughness while showing low porosity under neutronUncharged elementary particle with a mass of 1.67492716 ·10... irradiation. The inside is lined with austenitic claddingTightly bound (usually metallic) casing directly surrounding... to protect against corrosion. For a 1,300 MWeMegawatt electric; electric output of a power plant in megaw... pressurized water reactorPower reactor in which the heat is dissipated from the core ..., the pressure vessel is about 12 m high, the inner diameter is 5 m, and the wall of the cylindrical shell is about 250 mm thick. The overall weight amounts to approx. 530 t without internals. The vessel is designed for a pressure of 17.5 MPa (175 bar) and a temperature of 350 °C.
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