- helium coolant
- <chem> ■ Heliumkühlmittel n
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Coolant — A coolant is a fluid which flows through a device to prevent its overheating, transferring the heat produced by the device to other devices that use or dissipate it. An ideal coolant has high thermal capacity, low viscosity, is low cost, non… … Wikipedia
Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… … Wikipedia
helium — /hee lee euhm/, n. an inert, gaseous element present in the sun s atmosphere and in natural gas, and also occurring as a radioactive decomposition product, used as a substitute for flammable gases in dirigible balloons. Symbol: He; at. wt.:… … Universalium
helium — /ˈhiliəm / (say heeleeuhm) noun an inert gaseous element present in the sun s atmosphere, certain minerals, natural gas, etc., and also occurring as a radioactive decomposition product. Symbol: He; relative atomic mass: 4.0026; atomic number: 2;… …
helium — A gaseous element present in minute amounts in the atmosphere (0.000524% of dry volume); atomic no. 2, atomic wt. 4.002602; used as a diluent of medicinal gases; used as a diluent of oxygen principally in nonmedical applications, and in its… … Medical dictionary
Gas turbine modular helium reactor — The Gas Turbine Modular Helium Reactor (GTMHR) is a nuclear power reactor design under development by General Atomics. It is a helium cooled, graphite moderated reactor and uses TRISO fuel compacts in a prismatic core design. The core consists 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
National Helium Reserve — The National Helium Reserve, also known as the Federal Helium Reserve, is a strategic reserve of the United States holding over a billion cubic meter (1E9 m3) of helium gas. The helium is stored at the Cliffside Storage Facility about 12 miles… … Wikipedia
Pebble bed reactor — Sketch of a pebble bed reactor in Italian … Wikipedia
Very high temperature reactor — The Very High Temperature Reactor is a Generation IV reactor concept that uses a graphite moderated nuclear reactor with a once through uranium fuel cycle. This reactor design envisions an outlet temperature of 1000°C. The reactor core can be… … Wikipedia
Infrared Space Observatory — Infobox Space Telescope name = Infrared Space Observatory background = caption = organization = European Space Agency (ESA) major contractors = Aerospatiale (currently Thales) alt names = nssdc id = 1995 062A location = In decaying orbit orbit… … Wikipedia