A breeder reactor is designed to work on a thorium fuel cycle. If the reactor generates a constant thermal power of 2.5GW and a production rate of 233U is 52kg per year. Find the breeding Ratio
[You may assume the capture to fission ratio of 233U is 0.09 and the energy released per fission is 197.9Mev.]
Breeding Ratio= number of fissile nuclei produced/ number of fissile nuclei consumed
The Attempt at a Solution
I really don't know how to go about solving this problem.
I would assume that the capture to fission ratio is important.
The fission of one atom of U-233 generates 197.9 MeV = 3.171 × 10−11 J, i.e. 19.09 TJ/mol = 81.95 TJ/kg.
Then multiply by 0.91 and calculate the energy from fission of 52kg.
81.95 TJ/kg x 52kg x 0.91=3.88x1015J per year
Also reactor produces 2.5GW so I can see this is also really important but get the feeling I am missing something simple as this is the 1st question on a past paper.
Any help really appreciated