nuclear reactor

atomic reactor, mechanism for the production of radio-active energy

This article is a subarticle of Nuclear power A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a fraction of a second and is uncontrolled.The most significant use of nuclear reactors is as an energy source for the generation of electrical power (see Nuclear power) and for the power in some ships (see Nuclear marine propulsion). This is usually accomplished by methods that involve using heat from the nuclear reaction to power steam turbines. There are also other less common uses as discussed below.
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Noun
1. (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
(synonym) reactor
(hypernym) apparatus, setup
(hyponym) atomic pile, atomic reactor, pile, chain reactor
(part-meronym) control rod
(classification) physics, physical science, natural philosophy

A device in which nuclear fission may be sustained and controlled in a self-supporting nuclear reaction. The varieties are many, but all incorporate certain features, including fissionable material or fuel, a moderating material (unless the reactor is operated on fast neutrons), a reflector to conserve escaping neutrons, provisions of removal of heat, measuring and controlling instruments, and protective devices. The reactor is the heart of a nuclear power plant.

n. เตาแยกปฎิกรณ์ปรมาณู