Partial MSLB accident: Effect of perfect mixing in reactor vessel bottom

Partial MSLB accident: effect of perfect mixing in reactor vessel bottom volume

rtvunsym_2ay | 2ax: xwab= 1 | .4.
chart 01, 2ay | chart1, 2ax: the trend is more similar to that of ref case because bottom mixing avoids nearly completely boiling in hot sector; compare chart 04, 2ay with chart 04, 2ax.
chart 09, 2ay | chart 09, 2ax: u2c7= 730 K at 100 s | 730 K at 90 s.