reactor coolant pressure control

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• Loss of pressure control accident — Most commercial types of nuclear reactor use a pressure vessel to maintain pressure in the reactor plant. This is necessary in a pressurized water reactor to prevent boiling in the core, which could lead to a nuclear meltdown. This is also… …   Wikipedia

• Control rod — PWR control rod assembly, above fuel element A control rod is a rod made of chemical elements capable of absorbing many neutrons without fissioning themselves. They are used in nuclear reactors to control the rate of fission of uranium and… …   Wikipedia

• Reactor Protective System — A Reactor Protective System (RPS) is a set of nuclear safety components in a nuclear power plant designed to safely shutdown the reactor and prevent the release of radioactive materials. The System can trip automatically (initiating a Scram), or… …   Wikipedia

• Pressurized water reactor — (PWRs) (also VVER if of Russian design) are generation II nuclear power reactors that use ordinary water under high pressure (superheated water) as coolant and neutron moderator. The primary coolant loop is kept under high pressure to prevent the …   Wikipedia

• A2W reactor — The A2W reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The A2W designation stands for:* A = Aircraft carrier platform * 2 = Second generation core designed by the contractor …   Wikipedia

• Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… …   Wikipedia

• nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …   Universalium

• Nuclear reactor technology — 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… …   Wikipedia

• Boiling water reactor — A boiling water reactor (BWR) is a type of nuclear reactor developed by the General Electric in the mid 1950s.Fact|date=April 2008 The BWR is characterized by two phase fluid flow (water and steam) in the upper part of the reactor core. See… …   Wikipedia

• Nuclear reactor safety systems — This article covers the technical aspects of active nuclear safety systems. For a general approach to nuclear safety, see nuclear safety. The three primary objectives of nuclear reactor safety systems as defined by the Nuclear Regulatory… …   Wikipedia

• International Reactor Innovative and Secure — (IRIS) is a Generation IV reactor reactor design made by an international team of companies, laboratories, and universities and coordinated by Westinghouse. IRIS is hoped to open up new markets for nuclear power and make a bridge from Generation… …   Wikipedia