Method for the Calculation of DPA in the Reactor Pressure Vessel of Atucha II

Table 1

Flux and DPA rate spectrum for 𝑅=369.5 cm (RPV inner surface) and 𝑅=377.0 cm (1/4⋅𝑇).

			Flux spectrum				DPA rate spectrum
Energy group			RPV inner surf.		1/4⋅𝑇		RPV inner surf.		1/4⋅𝑇
MeV			n/cm^2/s	%f	n/cm^2/s	%f	s−1	%f	s−1	%f
0	to	4𝑒−7	2.12(1)𝐸+10	26%	3.82(1)𝐸+08	2%	1.50(1)𝐸−13	4%	5.56(1)𝐸−15	0%
4𝑒−7	to	0.1	5.37(2)𝐸+10	67%	1.44(2)𝐸+10	78%	5.15(2)𝐸−13	14%	2.30(2)𝐸−13	14%
0.1	to	1	4.18(2)𝐸+09	5%	3.02(3)𝐸+09	16%	1.14(2)𝐸−12	30%	8.38(2)𝐸−13	48%
1	to	20	1.59(5)𝐸+09	2%	6.16(5)𝐸+08	3%	1.96(5)𝐸−12	52%	6.65(4)𝐸−13	38%
Total			8.07(2)𝐸+10	100%	1.85(2)𝐸+10	100%	3.76(3)𝐸−12	100%	1.74(3)𝐸−12	100%