The Possibilities of Fission Material Reproduction Increase in Thermal Reactor with the Assemblies with a Hard Neutron Spectrum

Table 4

Dependence of the multiplication constant and the reproduction coefficient from fission material contents in fuel assemblies.

No. of case	Fission material contents in fuel assemblies, %		𝑘eff	𝑘repr
	Hard spectrum	Thermal spectrum
1	5	0.2	0.91	1.21
2	10	0.2	0.99	1.14
3	15	0.2	0.92	1.02
4	20	0.2	1.01	0.94
5	20	0.3	1.23	0.89
6	20	0.5	1.3	—