Multiphysics Model Development and the Core Analysis for In Situ Breeding and Burning Reactor

Table 1

General parameters for reference core of ISBBR.

Thermal power, MWt	800
Electricity power, MWe	300
Coolant flow rate, kg/sec	5000
Inlet temperature, °C	350
System pressure, MPa	0.1
Number of fuel assembly	222
Number of control assembly	31
Number of shielding assembly	270
Flat to flat distance of FA, cm	~12.5
Number of fuel pin in a FA	60
Fuel rod pitch, cm	1.50
Fuel rod diameter, cm	1.40
Active fuel height, cm	200
Plenum height, cm	200
Cladding material	SiCf/SiC
Pellet material	UPuZr
Coolant material	Sodium
Control absorber material	B4C
Detail size	Reference Figure 5
Heavy metal inventory in core, ton	40.4
DU (0.3 w/o ^235U), ton	35.8
Reactor grade Pu, ton	4.6
Composition of Pu:
^238Pu (%)	3.54
^239Pu (%)	50.94
^240Pu (%)	22.99
^241Pu (%)	15.15
^242Pu (%)	7.38