1962
DOI: 10.2172/4747035
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EFFECTS OF HIGH BURNUP ON ZIRCALOY-CLAD BULK UO$sub 2$, PLATE FUEL ELEMENT SAMPLES

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Cited by 10 publications
(4 citation statements)
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“…The volume change of the active column of nuclear fuels during service in the reactor is a fact that was recognized in the early irradiation experiments [1]. Because of its impact on vital aspects of fuel performance such as heat transfer at the fuel-cladding gap (gap closure) and cladding strain, this issue has repeatedly drawn the attention of nuclear fuel designers and engineers over the years.…”
Section: Introductionmentioning
confidence: 99%
“…The volume change of the active column of nuclear fuels during service in the reactor is a fact that was recognized in the early irradiation experiments [1]. Because of its impact on vital aspects of fuel performance such as heat transfer at the fuel-cladding gap (gap closure) and cladding strain, this issue has repeatedly drawn the attention of nuclear fuel designers and engineers over the years.…”
Section: Introductionmentioning
confidence: 99%
“…An initial period of no external pellet diameter change during which internal pellet porosity is filled and a second stage of external diameter change generally at the rate of 7 x 10 -23 cm 3 /fission (59). The gap geometry is determined by the hot clad and hot fuel dimensions.…”
Section: Contact Occurs Between the Fuel And Clad Surfacesmentioning
confidence: 99%
“…A novel collimated densitometry technique was proposed in Ref. (Senis et al, 2021) to investigate the variation of density in nuclear fuel samples post-irradiation, which typically decreases as a consequence of swelling (Schrire et al, 1998;Daniel et al, 1962;Van Brutzel et al, 2015). In the study, a resolution in the order of a hundred microns is aimed to resolve the density variation of the fuel matrix in the rim region where, due to the "high burnup structure" (Rondinella and Wiss, 2010;Spino et al, 1996), a drop in the density up to tens of percent could be expected (Spino et al, 2005).…”
Section: Introductionmentioning
confidence: 99%