Code Manual for CONTAIN 2.0 - Federation of American Scientists

.
LIST OF FIGURES (CONTINUED)
Figure 12-7 CONTAIN Heat Exchanger Models... . . . . . . . . . . . . . . . . . . . . . . . . . ...12-20
Figure 12-8 Counterflow Heat Exchanger Representation Defining the Heat Exchanger
Terminology Usedin the Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...12-21
Figure 13-1 Estimated Error Resulting From Use of Bulk Noncondensable Gas
Compositions in the CONTAIN Multicomponent Diffusivity Model . . . . . . 13-15
Figure 13-2 Two Thermal Siphon Nodalizations Which UnderPredict and OverPredict
the Thermal Siphon Flow, Respectively, Within a Donor Approximation . . 13-21
Figure 13-3 CONTAIN Predictions Versus Experimental Results for (a) AP and
(b) Scaled H, Production for the Standard Input Prescription (Case 1) . . ...13-27
Figure 13-4 Schematic of Approach for Defining RPV Blowdown and Airborne Debris
Sources in DCHCalculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...13-34
Figure 13-5 Dispersed Debris and Liquid Water Fields Corresponding to the CONTAIN
Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...13-42
Figure 13-6 Heat and Mass Transfer Schematics for Debris-Water Interactions . . . . . . . 13-42
Figure 13-7 Predicted Heat Transfer Coefficients for a Condensing Air/Stream
Mixture [TWdl=322.0 K, Titi~=3M K] . . . . . . . . . . . . . . . . . . . . . . . . . . ...13-61
Figure 14-1 CONTAIN Input File Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...14-2
Figure 14-2 Summary of Globa.l Level Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...14-3
Figure 14-3 Summary of Cell Level Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...14-4
Figure 15-1 Layout of the Grand Gulf Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-5
Figure 15-2 Pressure-Time Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-7
Figure 15-3 Temperature-Time Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-8
Figure 15-4 Vent Liquid Flow Rates as aFunction of Time . . . . . . . . . . . . . . . . . . . . . . . . 15-9
Figure 15-5 Vent Liquid Flow Rates for First5 Seconds . . . . . . . . . . . . . . . . . . . . . . . . . 15-10
Figure 15-6 Vent GmRow Rates ma Function of Time . . . . . . . . . . . . . . . . . . . . . . . ..l5-ll
Figure 15-7 Pool Depths forthe Annulus and the Wetwell . . . . . . . . . . . . . . . . . . . . . . . . 15-12
Figure 15-8 Layout of the Surry Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-36
Figure 15-9 Pressure-Time Histories forthe First 40,000 Seconds . . . . . . . . . . . . . . . . . 15-38
Figure 15-10 Pressue-Time Histories forthe Full Time Pefiod . . . . . . . . . . . . . . . . . . . . . 15-39
Figure 15-11 Temperature Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-40
Figure 15-12 Arnountof Water Boiled and Evaporated from Pools . . . . . . . . . . . . . . . . . . 15-42
Figure 15-13 Cumulative Quantities of Gases Evolved and Amount of Zirconium
Remaining inthe Melt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-43
Figure 15-14 Masses of the Melt Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-44
Figure 15-15 Masses of Fission Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-45
Figure 15-16 Cavity Dimensions as a Function of Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-47
Figure 15-17 Debris Temperatures at the Lower Interfaces of the Layers . . . . . . . . . . . . . 15-48
Figure 15-18 Layout of the Sequoyah Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15-85
R O i 6/30/97