On the Analysis and Evaluation of Direct Containment Heating with the Multidimensional Multiphase Flow Code MC3D

Table 1

List of parameters checked in the evaluations and range of variation.

Parameters	Minimum value	Maximum value
$P_v$: vessel pressure (bar)	5	35
$T_v$: temperature of gas in vessel ($\text{K}$)	380	1000
$T_m$: temperature of fuel in vessel ($\text{K}$)	(cold) 350	(hot) 2500
$D_b$: break diameter (mm) $=>$ defines area $A_b$	30	90
${\rho }_d$: fuel density ($\text{kg}/{\text{m}}^3$)	1000	9230
$M_m$: vessel gas molar mass (g/mol)	(helium) 4	(air) 29
$P_0$: containment pressure (bar)	1	3
$\sigma$: srface tension ($\text{N}·{\text{m}}^{-1}$)	(water) 0,07	(thermite) 1
$T_0$: containment temperature ($\text{K}$)	315	1070