A Simple Formula for Local Burnup and Isotope Distributions Based on Approximately Constant Relative Reaction Rate

Table 4

The comparison of the relative reaction rates for a single fuel rod and four selected fuel rods in an assembly at .

	Single
1/4	1.00	0.0026	2.43	0.23	0.0186
5/8	1.02	0.0025	2.43	0.23	0.0192
13/16	1.05	0.0024	2.43	0.23	0.0206
29/32	1.07	0.0024	2.42	0.23	0.0235
61/64	1.08	0.0023	2.42	0.23	0.0289
125/128	1.09	0.0023	2.42	0.23	0.0376
127/128	1.09	0.0023	2.42	0.23	0.0561
	Rod 1
1/4	1.00	0.0025	2.44	0.23	0.0178
5/8	1.02	0.0024	2.43	0.23	0.0185
13/16	1.05	0.0023	2.42	0.23	0.0197
29/32	1.07	0.0023	2.42	0.23	0.0222
61/64	1.08	0.0022	2.42	0.23	0.0269
125/128	1.09	0.0022	2.42	0.23	0.0352
127/128	1.10	0.0022	2.42	0.23	0.0521
	Rod 2
1/4	1.00	0.0025	2.42	0.23	0.0179	0.99
5/8	1.02	0.0024	2.42	0.23	0.0184	0.99
13/16	1.05	0.0023	2.41	0.23	0.0197	1.00
29/32	1.07	0.0023	2.40	0.23	0.0225	1.00
61/64	1.09	0.0022	2.40	0.23	0.0277	1.00
125/128	1.09	0.0022	2.40	0.23	0.0355	1.00
127/128	1.10	0.0022	2.40	0.23	0.0538	1.00
	Rod 3
1/4	1.00	0.0023	2.43	0.23	0.0173	1.05
5/8	1.02	0.0023	2.43	0.23	0.0178	1.05
13/16	1.05	0.0022	2.42	0.22	0.0191	1.06
29/32	1.07	0.0021	2.41	0.22	0.0220	1.06
61/64	1.09	0.0021	2.41	0.22	0.0271	1.06
125/128	1.09	0.0021	2.41	0.22	0.0358	1.06
127/128	1.10	0.0021	2.41	0.22	0.0533	1.06
	Rod 4
1/4	1.00	0.0023	2.42	0.22	0.0170	1.08
5/8	1.03	0.0022	2.42	0.22	0.0175	1.09
13/16	1.05	0.0021	2.41	0.22	0.0190	1.09
29/32	1.07	0.0021	2.40	0.22	0.0216	1.09
61/64	1.08	0.0020	2.40	0.22	0.0268	1.09
125/128	1.09	0.0020	2.40	0.22	0.0349	1.09
127/128	1.10	0.0020	2.39	0.22	0.0526	1.09