Fig. 1. LIFUS 5 experimental system

Fig. 2. Pressure under different mesh densities with times

Fig. 3. Reaction vessel meshing

Fig. 4. Comparison of simulation pressure and experimental data (color online)

Fig. 5. Comparison of simulation temperature and experimental data (color online)

Fig. 6. Inlet flow/water and vapor quality with times (color online)

Fig. 7. Vapor contours at different times during the interaction between lead bismuth and water (color online) (a) 0.1 s, (b) 0.2 s, (c) 0.3 s, (d) 0.4 s, (e) 0.5 s

Fig. 8. Variations of cumulative heat transfer from lead bismuth to water and heat of water vaporization with time (color online)

Fig. 9. Temperature contours at different times during the interaction between lead bismuth and water (color online) (a) 0.1 s, (b) 0.2 s, (c) 0.3 s, (d) 0.4 s, (e) 0.5 s

Fig. 10. Pressure contours at different times during the interaction between lead bismuth and water (color online) (a) 0.1 s, (b) 0.2 s, (c) 0.4 s, (d) 0.5 s

Fig. 11. Pressure curves at different positions of the axial centerline