RRFM 2009 Transactions - European Nuclear Society

Dimensional change (%)
0.6
0.5
0.4
0.3
0.2
Dimensional change
0.1
Fast neutron fluence
0
0 200 400 600
Distance from top of graphite reflector (mm)
1.0
0.8
0.6
0.4
0.2
0.0
Fast neutron fluence
(×10 24 n/m 2 )
Fig.4 (a). Comparison of the cross-section average between the dimensional change and fast
neutron fluence as a function of the distance from top of the graphite reflector (In the case that
the irradiation growth was within the gap size).
2.5
6.0
Dimensional change (%)
2
1.5
1
0.5
0
Dimensional change
Fast neutron fluence
0 200 400 600
5.0
4.0
3.0
2.0
1.0
0.0
Fast neutron fluence
(×10 24 n/m 2 )
Distance from top of graphite reflector (mm)
Fig.4 (b). Comparison of the cross-section average between the dimensional change and fast
neutron fluence as a function of the distance from top of the graphite reflector (In the case that
a part of the graphite reflector obviously pushed the aluminum cladding).
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