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Characteristics of CANDU fuel bundles that caused pressure tube fretting at the bundle midplane

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Abstract

Detailed measurements on new bundles, and those that caused fretting during in- and out-reactor tests, have given insight into the factors responsible for fretting at the midplane of the inlet bundle. Bottom fuel elements that were attached near radial endplate spokes and had inboard bearing pads in the rolled joint cavity produced a significant portion of the observed fret marks. These elements are influenced by several driving forces that deflect the centre bearing pads towards the pressure tube surface. The evidence suggests that slight changes in bundle design may be possible to reduce pressure tube fretting. (author). 4 refs., 3 tabs., 8 figs.
Authors:
Dennier, D; Manzer, A M; [1]  Koehn, E [2] 
  1. Atomic Energy of Canada Ltd., Mississauga, ON (Canada)
  2. Ontario Hydro, Toronto, ON (Canada)
Publication Date:
Dec 31, 1995
Product Type:
Conference
Report Number:
INIS-CA-0053; CONF-950623-
Reference Number:
SCA: 210400; PA: AIX-28:076186; EDB-97:143800; SN: 97001880592
Resource Relation:
Conference: 35. annual conference of the Canadian Nuclear Association and 16th annual conference of the Canadian Nuclear Society, Saskatoon (Canada), 4-7 Jun 1995; Other Information: PBD: 1995; Related Information: Is Part Of CNS proceedings of the 16. annual conference, volume I and II; Wight, A.L.; Loewer, R. [eds.]; PB: [2 v. ] p.
Subject:
21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; DARLINGTON-3 REACTOR; PRESSURE TUBES; FUEL ELEMENT CLUSTERS; MECHANICAL TESTS; FRETTING CORROSION; BRUCE-8 REACTOR; CREEP; DESIGN; MECHANICAL VIBRATIONS; MODIFICATIONS; PRIMARY COOLANT CIRCUITS; REACTOR MAINTENANCE; SPACERS; TOLERANCE; WEAR
OSTI ID:
546010
Research Organizations:
Canadian Nuclear Society, Toronto, ON (Canada)
Country of Origin:
Canada
Language:
English
Other Identifying Numbers:
Other: ON: DE98603788; TRN: CA9700818076186
Availability:
INIS; OSTI as DE98603788
Submitting Site:
INIS
Size:
pp. [19]
Announcement Date:
Dec 10, 1997

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Citation Formats

Dennier, D, Manzer, A M, and Koehn, E. Characteristics of CANDU fuel bundles that caused pressure tube fretting at the bundle midplane. Canada: N. p., 1995. Web.
Dennier, D, Manzer, A M, & Koehn, E. Characteristics of CANDU fuel bundles that caused pressure tube fretting at the bundle midplane. Canada.
Dennier, D, Manzer, A M, and Koehn, E. 1995. "Characteristics of CANDU fuel bundles that caused pressure tube fretting at the bundle midplane." Canada.
@misc{etde_546010,
title = {Characteristics of CANDU fuel bundles that caused pressure tube fretting at the bundle midplane}
 author = {Dennier, D, Manzer, A M, and Koehn, E}
 abstractNote = {Detailed measurements on new bundles, and those that caused fretting during in- and out-reactor tests, have given insight into the factors responsible for fretting at the midplane of the inlet bundle. Bottom fuel elements that were attached near radial endplate spokes and had inboard bearing pads in the rolled joint cavity produced a significant portion of the observed fret marks. These elements are influenced by several driving forces that deflect the centre bearing pads towards the pressure tube surface. The evidence suggests that slight changes in bundle design may be possible to reduce pressure tube fretting. (author). 4 refs., 3 tabs., 8 figs.}
 place = {Canada}
 year = {1995}
 month = {Dec}
 }