Abstract
JSC TVEL has carried out a technical and economic study with the involvement of the National Research Centre “Kurchatov Institute” in the use of nuclear fuel enriched above the current limit of 5 wt% for VVER-1000/1200. The article presents neutronic characteristics of developed 18- and 24-month fuel cycles based on fuel enriched above 5 wt% and assessment of nuclear safety for fabrication and handling with high enriched fuel.
Kurzfassung
JSC TVEL hat eine technische und wirtschaftliche Studie unter Beteiligung des Nationalen Forschungszentrums „Kurchatov Institute“ zur Verwendung von höher angereicherten Kernbrennstoffen durchgeführt. Dabei wurde der Brennstoff über die derzeitige Grenze von 5 Gew.-% für VVER-1000/1200 angereichert. Der Artikel stellt neutronenkinetische Eigenschaften von neuen 18- und 24-monatigen Brennstoffzyklen vor, die auf Brennstoffen basieren, die über 5 Gew.-% angereichert sind, und bewertet die nukleare Sicherheit bei der Herstellung und Handhabung von höher angereichertem Brennstoff.
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