Siqin HU, Jian TIAN, Chong ZHOU, Yang ZOU, Xiaohan YU. Optimal design of core flow distribution for 10 MW liquid fuel molten salt reactor[J]. NUCLEAR TECHNIQUES, 2022, 45(11): 110601
- NUCLEAR TECHNIQUES
- Vol. 45, Issue 11, 110601 (2022)
Fig. 1. Vertical section (a) and cross section (b) of 10 MW molten salt reactor-liquid fuel
Fig. 2. Diagram of 1/12 molten salt channels model of reactor core
Fig. 3. Relationship between channels mass flow rate and mesh elements number
Fig. 4. Channel mass flow rate corresponding to different turbulent model
Fig. 5. Channel mass flow rate distribution factor corresponding to different heights of the upper plenum
Fig. 6. Channel mass flow rate distribution factor corresponding to different widths of the downcomer
Fig. 7. Streamline distribution diagram of lower plenum with different thickness D (a) D=10 mm, (b) D=20 mm, (c) D=30 mm, (d) D=40 mm
Fig. 8. Channel mass flow rate distribution factor corresponding to different geometry structure of the down plenum
Fig. 9. Diagram of shroud in the lower plenum (a) and vertical section (b)
Fig. 10. Mass flow rate distribution factor corresponding to different the geometry structure of the shroud
Fig. 11. Comparison of velocity field distribution in the lower plenum after adding shroud with solution case 0 (a) and case 1 (b)
Fig. 12. Comparison of mass flow rate distribution factor with different solutions (case 0~4)
Fig. 13. Comparison of streamline distribution in lower plenum with different solutions (a) Case 0, (b) Case 1, (c) Case 2, (d) Case 3, (e) Case 4
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Table 1. Design parameters
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Table 2. Calculation conditions
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Table 3. Optimization schemes
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Table 4. Schemes of flow distribution
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