Homework Answers
(a)
3000 MWt reactor if fueled by 90,000 Kg of Uranium that has an enrichment of 4%.
( 90,000 Kg x 4% ) / 100 = 3600 Kg. or 3.6 tonne.
(b)
Given that, the fuel is used to a burn-up of 20,000 MWt·day/tonne. That means, 20000 MWt reactor uses 1 tonne of enriched Uranium and operates at full power for 1 day.
But, we have 3000 MWt reactor, so, it uses 1 tonne of enriched Uranium and operates at full power for 6.67 days. Enriched uranium is a critical component for nuclear power generation. We have 3.6 tonnes of Enriched Uranium (from part A).
Therefore, 3.6 tonne x 6.67 days = 24 days.
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