Gas core reactor rocket — Gas core reactor rockets are a conceptual type of rocket that is propelled by the exhausted coolant of a gaseous fission reactor. The nuclear fission reactor core may be either a gas or plasma. They may be capable of creating specific impulses of … Wikipedia
Nuclear reactor coolant — Nuclear reactor coolants Coolant Melting point Boiling point Light water at 155 bar 345 °C Mercury 38.83 °C 356.73 °C NaK eutectic 11 °C 785 °C Sodium 97.72 °C 883 °C … Wikipedia
Advanced gas-cooled reactor — An advanced gas cooled reactor (AGR) is a type of nuclear reactor. These are the second generation of British gas cooled reactors, using graphite as the neutron moderator and carbon dioxide as coolant. The AGR was developed from the Magnox… … Wikipedia
Exhaust gas recirculation — (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in most gasoline and diesel engines.EGR works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. Intermixing the incoming air with recirculated… … Wikipedia
Dissolved gas analysis — or DGA is the study of dissolved gases in insulating fluid. [1] Insulating materials within transformers and related equipment break down to liberate gases within the unit. The distribution of these gases can be related to the type of electrical… … Wikipedia
Entrained air in coolant fluids — Entrained Air/Dissolved Air(Foam) in Coolants other fluidsEntrained and dissolved air that are present in coolants (machine tool industry), oils (cutting tools hydraulics) andsolutions used in paper/pulp industries can cause various kinds of… … Wikipedia
Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] … 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
Pebble bed reactor — Sketch of a pebble bed reactor in Italian … Wikipedia
Behavior of nuclear fuel during a reactor accident — This page is devoted to a discussion of how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions such as overheating. Work in this area is often very expensive to conduct, and so… … Wikipedia
gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… … Universalium