Fuel rod diameter/m^a

P/D

K_eff

CR

Void reactivity

0.6916

1.10

1.05222

0.85686

Negative

0.6640

1.14

1.03936

0.85289

Negative

0.6380

1.18

1.02513

0.85023

Negative

0.6140

1.22

1.01599

0.84795

Negative

0.5916

1.26

1.00457

0.84419

Negative