Yingjie XIAO, Liangxing PENG, Pengcheng ZHAO, Qiong LI, Wan LUO, Tao YU. Determination of the maximum core power of natural circulation lead –bismuth reactors [J]. NUCLEAR TECHNIQUES, 2023, 46(9): 090604
- NUCLEAR TECHNIQUES
- Vol. 46, Issue 9, 090604 (2023)
Fig. 1. X-Y cross-section of core for SPALLER-100
Fig. 2. Relationship between fast neutron flux versus effective full power years (EFPY)
Fig. 3. Flowchart of the neutronics maximum power calculation platform
Fig. 4. Relationship diagram of reactivity swing, specific power and mass fraction
Fig. 5. Result verification of reactivity swing and initial excess reactivity
Fig. 6. Result verification of neutronics power
Fig. 7. Neutronics maximum power of the SPALLER-100 at different heights of core active zone
Fig. 8. Reactor structure layout of SPALLER-100
Fig. 9. Natural circulation power of SPALLER-100 at different heights of core active zone
Fig. 10. Maximum power of the SPALLER-100 at different heights of core active zone
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Table 1. Main parameters of core maximum power scheme
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Table 2. Reactivity correlation coefficient of SPALLER-100 under maximum power
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Table 3. Accident safety analysis of SPALLER-100 under maximum power
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