Influence of Modelling Options in RELAP5/SCDAPSIM and MAAP4 Computer Codes on Core Melt Progression and Reactor Pressure Vessel Integrity

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Parameter</td><td align="left">Time of the core   baffle failure [s]</td><td align="left">Time of the RPV failure [s]</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">RELAP5/SCDAPSIM</td><td align="left">9600</td><td align="left">9800</td></tr><tr><td align="left">MAAP4</td><td align="left">29000</td><td align="left">34600</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Time of the core baffle and the reactor vessel failure, Group 2.

Science and Technology of Nuclear Installations

tab5

Table 5

Table 5: Influence of Modelling Options in RELAP5/SCDAPSIM and MAAP4 Computer Codes on Core Melt Progression and Reactor Pressure Vessel Integrity 