Trümmerfestes Brennstabbündel

A fuel assembly for nuclear reactors which comprises the usual upper and lower tie plates and fuel rods (6) extending between them is made debris-resistant by providing a grid spacer (2) in contact, or very nearly so, with the lower tie plate and so positioned as to subdivide the usual openings (14)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PATTERSON, JOHN F., RICHLAND WASHINGTON 99352, US, HOLZER, ROLF, D-8520 ERLANGEN, DE, BROWN, CHARLES A., KENNEWICK WASHINGTON 99352, US
Format:	Patent
Sprache:	ger
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A fuel assembly for nuclear reactors which comprises the usual upper and lower tie plates and fuel rods (6) extending between them is made debris-resistant by providing a grid spacer (2) in contact, or very nearly so, with the lower tie plate and so positioned as to subdivide the usual openings (14) in the lower tie plate (4) which are provided for the passage of cooling water. This causes debris to be trapped in the openings (14) of the lower tie plate (4), and keeps it from contacting the fueled portion of the assembly.