Table 1: Geometrical parameters of the hermetic compartments of the test facility.

Hermetic box (designation)Volume, (m3)Total area of walls, (m2)Heat insulated area, (m2)

Dead volume ( )46,5980
Steam generator box ( )71,812140
Steam generator box ( )72,512441
BC shaft ( )7520098
BC gasroom ( )61,1770
BC water in trays12,8730
Air trap ( )176,520693