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