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A gas core reactor, and the very closely related vapor core reactor, is a proposed kind of nuclear reactor in which the nuclear fuel would be in a gaseous state rather than liquid or solid. In this type of reactor, the only temperature-limiting materials would be the reactor walls, and with appropriate cooling of the walls, the reactor can run ...
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei, releasing large amounts of energy and neutrons. Learn about the discovery, mechanism, products, and uses of fission for nuclear power and weapons.
Learn about the different types of nuclear fuel, such as uranium oxide, MOX and metal, and how they are used in nuclear power stations and reactors. Find out how nuclear fuel undergoes fission, produces heat and power, and undergoes the nuclear fuel cycle.
A pebble-bed reactor is a type of graphite-moderated, gas-cooled nuclear reactor that uses spherical fuel elements called pebbles. It is a very-high-temperature reactor that can achieve high efficiency and passive safety, and can use different fuels such as uranium, thorium or plutonium.
A nuclear reactor is a device that controls a nuclear chain reaction to produce heat, which can be used for electricity, propulsion, or other purposes. Learn how fission, neutrons, control rods, and moderators work in different types of reactors and their applications.
Generation III reactors, or Gen III reactors, are a class of nuclear reactors designed to succeed Generation II reactors, incorporating evolutionary improvements in design. These include improved fuel technology , higher thermal efficiency , significantly enhanced safety systems (including passive nuclear safety ), and standardized designs ...
A nuclear chain reaction is a self-propagating series of nuclear reactions, such as fission, that release large amounts of energy. Learn about the history, process, and applications of nuclear chain reactions, as well as the natural fission reactor at Oklo.
Learn about the history, design, and applications of HTGRs, a type of nuclear reactor that uses uranium fuel and graphite moderation. HTGRs can produce very high temperatures and use helium as coolant, enabling process heat or hydrogen production.