Published December 29, 1977 | Version v1
Patent Metadata-only

Nuclear reactor fuel assembly

Creators

Description

Fuel assembly with cylindrical fuel rods and control rod guide tubes. To this guide tubes spacer grids rectangular or square meshes are fastened. In the corners between tube and grid there are mounted baffles in the shape of lugs, covering the area in the corners totally or up to 3/4. There is no need for the lugs to fit directly against the guide tube. With this arrangement the coolant flow in the range of the guide tubes and with it the flow resistance of the fuel assembly is reduced. (RW) 891 RW

Availability note (English)

Available from Fachinformationszentrum Energie, Physik, Mathematik.

Abstract (German)

Brennelement mit zylindrischen Brennstaeben und Steuerstabfuehrungsrohren. An diesen Fuehrungsrohren sind Abstandshalter-Gitter mit rechteckigen oder quadratischen Maschen befestigt. In den Ecken zwischen Rohr und Gitter sind Stroemungsleiter in Form von Lappen angebracht, die die Flaeche in den Ecken ganz oder bis zu 3/4 abdecken. Die Lappen muessen nicht unmittelbar am Fuehrungsrohr anliegen. Hiermit wird die Stroemung des Kuehlmittels im Bereich der Fuehrungsrohre und damit der Stroemungswiderstand des Brennelements reduziert. (RW)

Additional details

Additional titles

Original title (German)
Kernreaktor-Brennelement

Publishing Information

Imprint Pagination
6 p.
IPC:
Int. Cl. G21C 3/34.
IPC
Int. Cl. G21C 3/34.
Patent number
DE patent document 2602124/C/

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
10441741
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
COOLANTS; FLUID FLOW; FUEL ELEMENTS; HYDRODYNAMICS; SPACERS; SUPPORTS
Descriptors DEC
FLUID MECHANICS; MECHANICAL STRUCTURES; MECHANICS; REACTOR COMPONENTS

Optional Information

Notes
6 figs.