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Journal of Nuclear Science and Technology Volume 50, 2013 - Issue 7
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Technical Material

Uncertainty quantification of neutronic parameters of light water reactor fuel cells with JENDL-4.0 covariance data

Go Chiba Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628, Japan
,
Masashi Tsuji Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628, Japan
&
Tadashi Narabayashi Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628, Japan
Pages 751-760 | Received 29 Jan 2013, Accepted 19 Mar 2013, Published online: 14 Jun 2013

Figures & data

Table 1 Geometric specifications of fuel cells and burnup conditions

Figure 1 One-group production cross sections of uranium-233, uranium-235 and plutonium-239 in the Th–U cell

Figure 1 One-group production cross sections of uranium-233, uranium-235 and plutonium-239 in the Th–U cell

Figure 2 Neutron flux energy spectra of the Th–Pu cell

Figure 2 Neutron flux energy spectra of the Th–Pu cell

Table 2 Calculated neutronic parameters

Figure 3 Sensitivity of the critical eigenvalue at EOC to the uranium-238 capture cross section

Figure 3 Sensitivity of the critical eigenvalue at EOC to the uranium-238 capture cross section

Figure 4 Sensitivity of the critical eigenvalue at EOC to the uranium-235 fission cross section

Figure 4 Sensitivity of the critical eigenvalue at EOC to the uranium-235 fission cross section

Table 3 Relative standard deviations of neutronic parameters (unit: %)

Table 4 Component-wise neutronic parameter uncertainties of the U cell

Table 5 Component-wise neutronic parameter uncertainties of the U–Pu cell

Figure 5 Sensitivity of the ICR at EOC to the uranium-238 capture cross section

Figure 5 Sensitivity of the ICR at EOC to the uranium-238 capture cross section

Figure 6 Sensitivity of the ICR at EOC to the uranium-235 fission cross section

Figure 6 Sensitivity of the ICR at EOC to the uranium-235 fission cross section

Figure 7 Relative standard deviations of capture cross sections in JENDL-4.0

Figure 7 Relative standard deviations of capture cross sections in JENDL-4.0

Table 6 Energy-range-wise neutronic parameter uncertainties of the Th–Pu cell (unit: %)

Figure 8 Sensitivity of neutronic parameters in the Th–Pu cell

Figure 8 Sensitivity of neutronic parameters in the Th–Pu cell

Table 7 Correlation of neutronic parameter uncertainties of the U cell

Table 8 Correlation of neutronic parameter uncertainties of the U–Pu cell

Table 9 Correlation of neutronic parameter uncertainties of the Th–U cell

Table 10 Correlation of neutronic parameter uncertainties of the Th–Pu cell

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