Siyan Chen, Hui Pan, Jun Chen, Changyou Zhao, Junxiao Zheng, Chao Wang, Haoliang Lu, Song Han. Analysis and calculation on core neutronics affected by the assembly bowing in pressurized water reactor nuclear power plant[J]. High Power Laser and Particle Beams, 2022, 34(2): 026014
- High Power Laser and Particle Beams
- Vol. 34, Issue 2, 026014 (2022)
Fig. 1. Types of the fuel assembly bowing
Fig. 2. Effect of the ratio N H/N 5 on reactor neutron multiplication
Fig. 3. Validation model of the 3×3 assemblies bowing
Fig. 4. Diagram of the core loading
Fig. 5. Power deviation after the watergap of rank H changed
Fig. 6. Core power tilt after the watergap of rank H changed
Fig. 7. Power distribution of fuel rod in H08 after the watergap of rank H changed
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Table 1. Comparison of the rod power before and after bowing of the center assembly in a 3×3 assemblies group
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Table 2. Comparison of the PCM and JMCT on the assembly bowing
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