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Device for a nuclear reactor. [Fuel element spacers]

Abstract

A spacer design for fuel element clusters for PWR type reactors is described. It consists of a frame supporting an egg-carton like grid each sector of which is provided with springs which grip the fuel pins. The spring design is such as to prevent fuel pin vibrations and at same time accommodate fuel pin deformations. Formulae for the calculation of natural frequencies, spring stiffness and friction loads are presented.
Publication Date:
Mar 08, 1972
Product Type:
Patent
Report Number:
NO 138818; B
Reference Number:
AIX-11-536099; EDB-80-116862
Resource Relation:
Patent Priority Date: Priority date 18 Mar 1971, United States of America (USA)
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 22 GENERAL STUDIES OF NUCLEAR REACTORS; FUEL ELEMENT CLUSTERS; SPACERS; PWR TYPE REACTORS; CONFIGURATION; DEFORMATION; MECHANICAL VIBRATIONS; POWER REACTORS; SPRINGS; FUEL ASSEMBLIES; MACHINE PARTS; REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS; 210200* - Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled; 220300 - Nuclear Reactor Technology- Fuel Elements
OSTI ID:
5136747
Country of Origin:
Norway
Language:
Norwegian
Submitting Site:
INIS
Size:
Pages: 22
Announcement Date:

Citation Formats

Foulds, R B, Kasberg, A H, Puechl, K H, and Bleiberg, M L. Device for a nuclear reactor. [Fuel element spacers]. Norway: N. p., 1972. Web.
Foulds, R B, Kasberg, A H, Puechl, K H, & Bleiberg, M L. Device for a nuclear reactor. [Fuel element spacers]. Norway.
Foulds, R B, Kasberg, A H, Puechl, K H, and Bleiberg, M L. 1972. "Device for a nuclear reactor. [Fuel element spacers]." Norway.
@misc{etde_5136747,
title = {Device for a nuclear reactor. [Fuel element spacers]}
author = {Foulds, R B, Kasberg, A H, Puechl, K H, and Bleiberg, M L}
abstractNote = {A spacer design for fuel element clusters for PWR type reactors is described. It consists of a frame supporting an egg-carton like grid each sector of which is provided with springs which grip the fuel pins. The spring design is such as to prevent fuel pin vibrations and at same time accommodate fuel pin deformations. Formulae for the calculation of natural frequencies, spring stiffness and friction loads are presented.}
place = {Norway}
year = {1972}
month = {Mar}
}