Advanced Gas-cooled Reactor
Reaktor-Schematik

Der Advanced Gas-cooled Reactor (AGR) ist ein Kernreaktortyp aus der Gruppe der gasgekühlten Reaktoren. Er ist ein Nachfolger der in den 50er Jahren in Großbritannien entwickelten und kommerziell eingesetzten Magnox-Reaktoren. Im Unterschied zu den Magnox-Reaktoren verwendet er leicht angereichertes Urandioxid statt Uranmetall als Brennstoff. Dies ermöglicht höhere Leistungsdichten und höhere Kühlmittelaustrittstemperaturen. Der erste britische AG-Reaktor (Hunterston) ging 1976 in Betrieb.

Die wesentlichen Merkmale eines AGR-Reaktors sind:

Verwendung

Standorte von AGR liegen vor allem im Vereinigten Königreich, wie in Dungeness, Hartlepool, Heysham, Sizewell, Torness, Hinkley Point B und Sellafield.

Quellen


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