Leqi YUAN, Hexin WU, Junli GOU, Jianqiang SHAN. Design and analysis of passive residual heat removal system for a new megawatt and compact nuclear power plant[J]. NUCLEAR TECHNIQUES, 2024, 47(1): 010602
- NUCLEAR TECHNIQUES
- Vol. 47, Issue 1, 010602 (2024)
Fig. 1. Schematic of passive residual heat removal system (a) Overall diagram of the nuclear power plant, (b) Emergency cooling compartment profile
Fig. 2. Curves of decay heat power versus reactor operating time (color online)
Fig. 3. Schematic grid of flow and solid areas
Fig. 4. Grid independence curve
Fig. 5. Nephogram comparison of temperature and velocity distribution with (a) and without (b) baffle
Fig. 6. Comparison of axial temperature and velocity distribution with (a) and without (b) baffle
Fig. 7. Nephogram comparison of temperature and velocity distribution with baffle extension lengths of (a) 200 mm, (b) 400 mm
Fig. 8. Nephogram comparison of temperature and velocity distribution with baffle opening widths of (a) 40 mm, (b) 80 mm, (c) 160 mm
Fig. 9. Temperature curves of different geometries
Fig. 10. Temperature curves of different axial lengths
Fig. 11. Temperature distribution diagram of inner wall of adiabatic layer
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Table 1. Main parameters of megawatt high efficiency and compact new marine nuclear power plant
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Table 2. Comparison of different turbulence models
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Table 3. Results of different lengths
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Table 4. Results of different widths
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Table 5. Results of axial lengths
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Table 6. Results of ambient temperatures
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