Preliminary Evaluation of a Nuclear Scenario Involving Innovative Gas Cooled Reactors

Table 5

PBMR parameters adopted for the model.

Reactor design parameters
Thermal power	433 MWth
Pebble radius	30 mm
Packing fraction	0.61
Core dimensions
Internal radius	100 cm
External radius	185 cm
Height	1300 cm
Reflector dimension
Rex central reflector	100 cm
Rin radial reflector	185 cm
Rex radial reflector	275 cm
Temperature	1200 K
Density	1.74 g/cm^3
Pebble parameters
Kernel (Rex)	0.01 cm
Fuel density	10.89 g/cm^3
Fuel temperature	1200 K
Buffer (Rex)	0.019
Buffer density	1.05 g/cm^3
Buffer temperature	1200 K
Inner PyC (Rex)	0.023
PyC density	1.90 g/cm^3
PyC temperature	1200 K
SiC layer (Rex)	0.0265
SiC density	3.18 g/cm^3
SiC temperature	1200 K
Outer PyC (Rex)	0.0305
PyC density	1.90 g/cm^3
PyC temperature	1200 K