natural uranium heavy-water reactor

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• Pressurised heavy water reactor — A pressurised heavy water reactor (PHWR) is a nuclear power reactor, commonly using unenriched natural uranium as its fuel, that uses heavy water (deuterium oxide D2O) as its coolant and moderator. The heavy water coolant is kept under pressure… …   Wikipedia

• Advanced Heavy Water Reactor — The Advanced Heavy Water Reactor (AHWR) is the latest Indian design for a next generation nuclear reactor that will burn Thorium in its fuel core. It is slated to form the third stage in India s 3 stage fuel cycle plan.… …   Wikipedia

• Natural uranium — (NU) refers to refined uranium with the same isotopic ratio as found in nature. It contains 0.7 % uranium 235, 99.3 % uranium 238, and a trace of uranium 234 by weight. In terms of the amount of radioactivity, approximately 2.2 %… …   Wikipedia

• Heavy water — Not to be confused with hard water or tritiated water. Deuterium oxide IUPAC name …   Wikipedia

• Heavy-water-moderated reactor —   A reactor that uses heavy water as its moderator. Heavy water is an excellent moderator and thus permits the use of in expensive natural (unenriched) uranium as fuel.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• 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

• 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

• Norwegian heavy water sabotage — Part of World War II The Vemork Hydroelectric Plant in 1935. The heavy water was …   Wikipedia

• Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and …   Wikipedia

• Uranium-235 — Infobox isotope background = #fc6 text color = isotope name = Uranium 235 isotope filename = alternate names = mass number = 235 symbol =U num neutrons = 143 num protons = 92 abundance =0.72% halflife = 703,800,000 years error halflife = decay… …   Wikipedia

• Uranium in the environment — Uranium in the environment, this page is about the science of uranium in the environment and in animals (including humans). The legal and social issues associated with uranium are discussed elsewhere. This page is a subpage of actinides in the… …   Wikipedia