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Schematic diagram of an RBMK Schematic side view of the layout of an RBMK reactor core The reactor hall and piping systems of the RBMK reactor. The reactor pit or vault is made of reinforced concrete and has dimensions 21.6 m × 21.6 m × 25.5 m. It houses the vessel of the reactor, which is annular, made of an inner and outer cylindrical wall ...
Fast breeder reactors do not use moderators, since they run on fast neutrons, but the coolant (often lead or sodium) may serve as a neutron absorber and reflector. For this reason they have a positive void coefficient. Magnox reactors, advanced gas-cooled reactors and pebble bed reactors are gas-cooled and so void coefficients are not an issue ...
In other reactors, the coolant acts as a poison by absorbing neutrons in the same way that the control rods do. In these reactors, power output can be increased by heating the coolant, which makes it a less dense poison. Nuclear reactors generally have automatic and manual systems to scram the reactor in an emergency shut down.
At the time, only two phases were complete, reactors 1, 2, 3 and 4. Both units were intended to be RBMK-1000 and would generate approximately 1,000 megawatts each, and also be supported by two cooling towers located south-east from the reactors. They were side-by-side in the same way as reactors 3–4 were built.
1943 Reactor diagram using boron control rods. Control rods are inserted into the core of a nuclear reactor and adjusted in order to control the rate of the nuclear chain reaction and, thereby, the thermal power output of the reactor, the rate of steam production, and the electrical power output of the power station.
The three sites (Kursk I, Leningrad I, Smolensk I) which all consist of 3+ RBMK reactors are going to be replaced with VVER-1200 units at Leningrad and VVER-TOI units at Smolensk (2 units are already in pre-construction phase with planned completion in 2033 - each rated at 1250 MW per unit - out of a total of 4 units announced) [12] and Kursk ...
Pages in category "Nuclear power stations using RBMK reactors" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes .
Reactors moderated with heavy water can use unenriched natural uranium. Carbon, in the form of reactor-grade graphite [7] or pyrolytic carbon, used in e.g. RBMK and pebble-bed reactors, or in compounds, e.g. carbon dioxide. As carbon dioxide contains twice as many oxygen atoms as it does carbon atoms and both have moderating and neutron ...
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