Computational Model for the Neutronic Simulation of Pebble Bed Reactor’s Core Using MCNPX

Table 2

HTR-10 unit cell data.

Parameter	Units	Value
Moderator-to-fuel volumetric ratio	—	1.33
Fuel pebble radius	cm	3.0000
Dummy pebble radius	cm	2.7310
FCC unit cubic cell size	cm	8.6648
BCC unit cubic cell size	cm	6.8773