Uranium zirconium hydride (UZrH), a combination of
uranium hydride and
zirconium(II) hydride, is used as the fuel in
TRIGA
TRIGA (Training, Research, Isotopes, General Atomics) is a class of nuclear research reactor designed and manufactured by General Atomics. The design team for TRIGA, which included Edward Teller, was led by the physicist Freeman Dyson.
Design
...
reactors. UZrH fuel is used in most research reactors at universities and has a large, prompt negative
fuel temperature coefficient of reactivity Fuel temperature coefficient of reactivity is the change in reactivity of the nuclear fuel per degree change in the fuel temperature. The coefficient quantifies the amount of neutrons that the nuclear fuel (such as uranium-238) absorbs from the fiss ...
, meaning that as the temperature of the core increases, the reactivity rapidly decreases.
Franco-Belge de Fabrication du Combustible, in
Romans-sur-Isère
Romans-sur-Isère (; Occitan: ''Rumans d'Isèra''; Old Occitan: ''Romans'') is a commune in the Drôme department in southeastern France.
Geography
Romans-sur-Isère is located on the Isère, northeast of Valence. There are more than 50,000 ...
, France, is the only manufacturer of this fuel.
References
External links
Technical Foundations of TRIGA: Thermalization In Zirconium Hydride
TRIGA
TRIGA (Training, Research, Isotopes, General Atomics) is a class of nuclear research reactor designed and manufactured by General Atomics. The design team for TRIGA, which included Edward Teller, was led by the physicist Freeman Dyson.
Design
...
{{DEFAULTSORT:Uranium zirconium hydride
Isotope separation
Nuclear fuels
Nuclear materials
Uranium